Doping at the Olympic Games - wikipedia Doping at the Olympic Games Part of a series on Doping in sport Substances and types Anabolic steroids Blood doping Gene doping Cannabinoids Diuretics Painkillers Sedatives Stem cell doping Stimulants Beta2 - adrenergic agonist Clenbuterol Ephedrine EPO Human growth hormone Methylhexanamine SARMs Stanozolol Tetrahydrogestrinone Terminology Abortion doping Biological passport Blood - spinning Doping test Performance - enhancing drugs Repoxygen Stem cell doping Whizzinator History Olympics Tour de France ( 1998, 1999, 2007 ) Auto racing BALCO scandal Barry Bonds perjury case Clemson University steroid scandal U of South Carolina steroid scandal Dubin Inquiry Association Football China East Germany Russia United States Festina affair Floyd Landis case Game of Shadows Juiced L.A. Confidentiel History of Lance Armstrong allegations Lance Armstrong case Mitchell Report Operación Puerto Pittsburgh drug trials Biogenesis baseball scandal Steroid use in American football Steroid use in baseball Doping - related lists Doping cases in Sport Athletics Cycling Doping at the Olympic Games List of stripped Olympic medals Drugs banned from the Olympics MLB players suspended for doping MLB players in the Mitchell Report Anti-doping bodies World Anti-Doping Agency List of national anti-doping organizations Australian Sports Anti-Doping Authority French Anti-Doping Agency National Anti-Doping Agency Russian Anti-Doping Agency UK Anti-Doping United States Anti-Doping Agency This article is about the history of competitors at the Olympic Games using banned athletic performance - enhancing drugs. Russia has the most athletes caught doping at the Olympics ( 129 ). All but one have been sanctioned. Contents 1 History 2 Response 3 Prohibited drugs 4 Summer Olympic Games 4.1 1968 Mexico City 4.2 1972 Munich 4.3 1976 Montreal 4.4 1980 Moscow 4.5 1984 Los Angeles 4.6 1988 Seoul 4.7 1992 Barcelona 4.8 1996 Atlanta 4.9 2000 Sydney 4.10 2004 Athens 4.11 2008 Beijing 4.11. 1 Disqualified 4.11. 2 Did not start 4.12 2012 London 4.12. 1 Disqualified 4.12. 2 Did not start 4.13 2016 Rio de Janeiro 4.13. 1 Disqualified 4.13. 2 Did not start 5 Winter Olympic Games 5.1 1968 Grenoble 5.2 1972 Sapporo 5.3 1976 Innsbruck 5.4 1980 Lake Placid 5.5 1984 Sarajevo 5.6 1988 Calgary 5.7 1992 Albertville 5.8 1994 Lillehammer 5.9 1998 Nagano 5.10 2002 Salt Lake City 5.11 2006 Turin 5.11. 1 Did not start 5.11. 2 Disqualified during the Games 5.11. 3 Disqualified after the Games 5.12 2010 Vancouver 5.13 Did not start 5.14 Disqualified after the Games 5.15 2014 Sochi 6 See also 7 References 8 External links History The use of performance - enhancing tactics or more formally known as PEDs, and more broadly, the use of any external device to nefariously influence the outcome of a sporting event has been a part of the Olympics since its inception in Ancient Greece. One speculation as to why men were required to compete naked was to prevent the use of extra accoutrements and to keep women from competing in events specifically designed for men. Athletes were also known to drink `` magic '' potions and eat exotic meats in the hopes of giving them an athletic edge on their competition. If they were caught cheating, their likenesses were often engraved into stone and placed in a pathway that led to the Olympic stadium. In the modern Olympic era, chemically enhancing one 's performance has evolved into a sophisticated science, but in the early years of the Modern Olympic movement the use of performance - enhancing drugs was almost as crude as its ancient predecessors. For example, the winner of the marathon at the 1904 Games, Thomas Hicks, was given strychnine and brandy by his coach, even during the race. During the early 20th century, many Olympic athletes discovered ways to improve their athletic abilities by boosting testosterone. As their methods became more extreme, it became increasingly evident that the use of performance - enhancing drugs was not only a threat to the integrity of sport but could also have potentially fatal side effects on the athlete. The only Olympic death linked to athletic drug use occurred at the Rome Games of 1960. During the cycling road race, Danish cyclist Knud Enemark Jensen fell from his bicycle and later died. A coroner 's inquiry found that he was under the influence of amphetamine, which had caused him to lose consciousness during the race. Jensen 's death exposed to the world how endemic drug use was among elite athletes. By the mid -- 1960s, sports federations were starting to ban the use of performance - enhancing drugs, and the IOC followed suit in 1967. The first Olympic athlete to test positive for the use of performance - enhancing drugs was Hans - Gunnar Liljenwall, a Swedish pentathlete at the 1968 Summer Olympics, who lost his bronze medal for alcohol use, ' two beers to steady his nerves '. Liljenwall was the only athlete to test positive for a banned substance at the 1968 Olympics, as the technology and testing techniques improved, the number of athletes discovered to be chemically enhancing their performance increased as well. Kornelia Ender The most systematic case of drug use for athletic achievement is that of the East German Olympic teams of the 1970s and 1980s. In 1990, documents were discovered that showed many East German female athletes, especially swimmers, had been administered anabolic steroids and other drugs by their coaches and trainers. Girls as young as eleven were started on the drug regimen without consent from their parents. American female swimmers, including Shirley Babashoff, accused the East Germans of using performance - enhancing drugs as early as the 1976 Summer Games. Babashoff 's comments were dismissed by the international and domestic media as sour grapes since Babashoff, a clear favorite to win multiple gold medals, won three silver medals - losing all three times to either of the two East Germans Kornelia Ender or Petra Thümer, and one gold medal in a relay. There was no suspicion of cheating on the part of the East German female swimmers even though their medal tally increased from four silvers and one bronze in 1972 to ten golds ( out of a possible 12 ), six silvers, and one bronze in 1976. No clear evidence was discovered until after the fall of the Berlin Wall, when the aforementioned documents proved that East Germany had embarked on a state - sponsored drug regimen to dramatically improve their competitiveness at the Olympic Games and other international sporting events. Many of the East German authorities responsible for this program have been subsequently tried and found guilty of various crimes in the German penal system. According to British journalist Andrew Jennings, a KGB colonel stated that the agency 's officers had posed as anti-doping authorities from the International Olympic Committee to undermine doping tests and that Soviet athletes were `` rescued with ( these ) tremendous efforts ''. On the topic of the 1980 Summer Olympics, a 1989 Australian study said `` There is hardly a medal winner at the Moscow Games, certainly not a gold medal winner, who is not on one sort of drug or another : usually several kinds. The Moscow Games might as well have been called the Chemists ' Games. '' Documents obtained in 2016 revealed the Soviet Union 's plans for a statewide doping system in track and field in preparation for the 1984 Summer Olympics in Los Angeles. Dated prior to the country 's decision to boycott the Games, the document detailed the existing steroids operations of the program, along with suggestions for further enhancements. The communication, directed to the Soviet Union 's head of track and field, was prepared by Dr. Sergei Portugalov of the Institute for Physical Culture. Portugalov was also one of the main figures involved in the implementation of the Russian doping program prior to the 2016 Summer Olympics. A very publicized steroid - related disqualification at an Olympic Games was the case of Canadian sprinter Ben Johnson, who won the Men 's 100 metres at the 1988 Seoul Olympics, but tested positive for stanozolol. His gold medal was subsequently stripped and awarded to runner - up Carl Lewis, who himself had tested positive for banned substances prior to the Olympics, but had not been banned due to a lack of consistency in the application of the rules. At that time National Olympic Committees had leeway to determine whether a specific athlete met the criteria to be banned from Olympic competition. Response In the late 1990s, the IOC took the initiative in a more organized battle against doping, leading to the formation of the World Anti-Doping Agency ( WADA ) in 1999. The 2000 Summer Olympics and 2002 Winter Olympics have shown that the effort to eliminate performance - enhancing drugs from the Olympics is not over, as several medalists in weightlifting and cross-country skiing were disqualified due to failing a drug test. During the 2006 Winter Olympics, only one athlete failed a drug test and had a medal revoked. The IOC - established drug testing regimen ( now known as the `` Olympic Standard '' ) has set the worldwide benchmark that other sporting federations attempt to emulate. During the Beijing games, 3,667 athletes were tested by the IOC under the auspices of the World Anti-Doping Agency. Both urine and blood testing was used in a coordinated effort to detect banned substances and recent blood transfusions. While several athletes were barred from competition by their National Olympic Committees prior to the Games, six athletes failed drug tests while in competition in Beijing. Prohibited drugs Main article : List of drugs banned from the Olympics Summer Olympic Games What follows is a list of all the athletes that have tested positive for a banned substance either during or after an Olympic Games in which they competed. Any medals listed were revoked by the International Olympic Commission ( IOC ). In 1967 the IOC banned the use of performance - enhancing drugs, instituted a Medical Commission, and created a list of banned substances. Mandatory testing began at the following year 's Games. In a few cases the IOC has reversed earlier rulings that stripped athletes of medals. 1968 Mexico City Main article : 1968 Summer Olympics Name Country Sport Banned substance Medals Hans - Gunnar Liljenwall Sweden Modern pentathlon Ethanol 03 ! ( team ) 1972 munich Main article : 1972 Summer Olympics In the case of Rick DeMont, the United States Olympic Committee ( USOC ) has recognized his gold medal performance in the 1972 Summer Olympics in 2001, but only the IOC has the power to restore his medal, and it has as of 2017 refused to do so. Name Country Sport Anti-doping rule violation Medals Ref. Bakaava Buidaa Mongolia Judo Caffeine 02 ! ( 63 kg ) Miguel Coll Puerto Rico Basketball Amphetamine Rick DeMont United States Swimming Ephedrine 01 ! ( men 's 400 m freestyle ) Aad van den Hoek Netherlands Cycling Coramine 03 ! ( 100 km team race ) Jaime Huélamo Spain Cycling Coramine 03 ! ( individual road race ) Walter Legel Austria Weightlifting Amphetamine Mohammad Reza Nasehi Iran Weightlifting Ephedrine 1976 Montreal Main article : 1976 Summer Olympics Name Country Sport Anti-doping rule violation Medals Ref. Blagoi Blagoev Bulgaria Weightlifting Anabolic steroid 02 ! ( 82.5 kg ) Mark Cameron United States Weightlifting Anabolic steroid Paul Cerutti Monaco Shooting Amphetamine Dragomir Cioroslan Romania Weightlifting Fencamfamine Philippe Grippaldi United States Weightlifting Anabolic steroid Zbigniew Kaczmarek Poland Weightlifting Anabolic steroid 01 ! ( 67.5 kg ) Valentin Khristov Bulgaria Weightlifting Anabolic steroid 01 ! ( 110 kg ) Lorne Liebel Canada Sailing Phenylpropanolamine Arne Norrback Sweden Weightlifting Anabolic steroid Peter Pavlasek Czechoslovakia Weightlifting Anabolic steroid Danuta Rosani Poland Athletics Anabolic steroid 1980 Moscow Main articles : 1980 Summer Olympics and Doping in Russia § Background : Soviet era Though no athletes were caught doping at the 1980 Summer Olympics, it has been claimed that athletes had begun using testosterone and other drugs for which tests had not been yet developed. A 1989 report by a committee of the Australian Senate claimed that `` there is hardly a medal winner at the Moscow Games, certainly not a gold medal winner... who is not on one sort of drug or another : usually several kinds. The Moscow Games might well have been called the Chemists ' Games ''. A member of the IOC Medical Commission, Manfred Donike, privately ran additional tests with a new technique for identifying abnormal levels of testosterone by measuring its ratio to epitestosterone in urine. Twenty percent of the specimens he tested, including those from sixteen gold medalists would have resulted in disciplinary proceedings had the tests been official. The results of Donike 's unofficial tests later convinced the IOC to add his new technique to their testing protocols. The first documented case of `` blood doping '' occurred at the 1980 Summer Olympics as a runner was transfused with two pints of blood before winning medals in the 5000 m and 10,000 m. 1984 Los Angeles Main article : 1984 Summer Olympics Name Country Sport Banned substance Medals Ref. Serafim Grammatikopoulos Greece Weightlifting Nandrolone Vésteinn Hafsteinsson Iceland Athletics Nandrolone Tomas Johansson Sweden Wrestling Methenolone 02 ! ( super-heavy ) Stefan Laggner Austria Weightlifting Nandrolone Göran Pettersson Sweden Weightlifting Nandrolone Eiji Shimomura Japan Volleyball Testosterone Mikiyasu Tanaka Japan Volleyball Ephedrine Ahmed Tarbi Algeria Weightlifting Nandrolone Mahmud Tarha Lebanon Weightlifting Nandrolone Giampaolo Urlando Italy Athletics Testosterone Martti Vainio Finland Athletics Methenolone 02 ! ( 10,000 m ) Anna Verouli Greece Athletics Nandrolone The organizers of the Los Angeles games had refused to provide the IOC doping authorities with a safe prior to the start of the games. Due to a lack of security, medical records were subsequently stolen. A 1994 letter from IOC Medical Commission chair Alexandre de Mérode claimed that Tony Daly, a member of the Los Angeles organizing committee had destroyed the records. Dick Pound later wrote of his frustration that the organizing committee had removed evidence before it could be acted on by the IOC. Pound also claimed that IOC President Juan Antonio Samaranch and Primo Nebiolo, President of the International Association of Athletics Federations ( IAAF ) had conspired to delay the announcement of positive tests so that the games could pass without controversy. The American cyclist Pat McDonough later admitted to `` blood doping '' at the 1984 Los Angeles Games. Following the games it was revealed that one - third of the U.S. cycling team had received blood transfusions before the games, where they won nine medals, their first medal success since the 1912 Summer Olympics. `` Blood doping '' was banned by the IOC in 1985, though no test existed for it at the time. 1988 Seoul Main article : 1988 Summer Olympics Name Country Sport Banned substance Medals Ref. Ali Dad Afghanistan Wrestling Furosemide Kerrith Brown Great Britain Judo Furosemide Kalman Csengeri Hungary Weightlifting Stanozolol Mitko Grablev Bulgaria Weightlifting Furosemide 01 ! ( 56 kg ) Angell Guenchev Bulgaria Weightlifting Furosemide 01 ! ( 67.5 kg ) Ben Johnson Canada Athletics Stanozolol 01 ! ( men 's 100 m ) Fernando Mariaca Spain Weightlifting Pemoline Jorge Quesada Spain Modern pentathlon Propanolol Andor Szanyi Hungary Weightlifting Stanozolol 02 ! ( 100 kg ) Alexander Watson Australia Modern Pentathlon Caffeine 1992 Barcelona Main article : 1992 Summer Olympics Name Country Sport Banned substance Medals Ref. Madina Biktagirova Unified Team Athletics Norephedrine Wu Dan China Volleyball Strychnine Bonnie Dasse United States Athletics Clenbuterol Jud Logan United States Athletics Clenbuterol Nijolė Medvedeva Lithuania Athletics Mesocarb 1996 atlanta Main article : 1996 Summer Olympics Name Country Sport Banned substance Medals Ref. Antonella Bevilacqua Italy Athletics Ephedrine and pseudoephedrine Dean Capobianco Australia Athletics Stanozolol Sandra Farmer - Patrick United States Athletics Testosterone Daniel Plaza Spain Athletics Nandrolone Iva Prandzheva Bulgaria Athletics Metadienone Mary Slaney United States Athletics Testosterone Natalya Shekhodanova Russia Athletics Stanozolol Five athletes tested positive for the stimulant bromantan and were disqualified by the IOC, but later reinstated after an appeal to the Court of Arbitration for Sport : swimmers Andrey Korneyev and Nina Zhivanevskaya, Greco - Roman wrestler Zafar Guliyev and sprinter Marina Trandenkova, all from Russia, and the Lithuanian track cyclist Rita Razmaitė. Dr. Vitaly Slionssarenko, physician to the Lithuanian cycling team and team coach Boris Vasilyev were expelled from the games. The CAS overturned the IOC decision, because bromantan had only recently been added to the prohibited list, and the athletes and officials were reprimanded. The Russians had argued that bromantans was n't a stimulant and thus not banned. The Irish long - distance runner Marie McMahon ( Davenport ) got a reprimand after testing positive for the stimulant phenylpropanolamine, and Cuban judoka Estella Rodriguez Villanueva got a reprimand after she tested positive for the diuretic furosemide. 2000 Sydney Main article : 2000 Summer Olympics Tim Montgomery, who was part of the USA Men 's 4 × 100 m relay team which won the gold, in 2008 admitted that he had used Testosterone and HGH before the Sydney Games, and said `` I have a gold medal that I 'm sitting on that I did n't get with my own ability ''. IOC at the time said they would look into the case, but no action has since been taken by IOC to disqualify Montgomery from the Games. Name Country Sport Banned substance Medals Ref. Fritz Aanes Norway Wrestling Norandrosterone and noretiochdandone Lance Armstrong United States Cycling ( Road race and Time trial ) Investigation concluded 2012 : Use, Possession, Trafficking, Administration of Prohibited Substances and Methods and Assisting, Encouraging, Aiding, Abetting, Covering Up or any other type of complicity involving one or more anti-doping rule violations and / or attempted anti-doping rule violations. 03 ! ( Time trial ) Ashot Danielyan Armenia Weightlifting Stanozolol 03 ! ( + 105 kg ) Izabela Dragneva Bulgaria Weightlifting Furosemide 01 ! ( 48 kg ) Stian Grimseth Norway Weightlifting Nandrolone Ivan Ivanov Bulgaria Weightlifting Furosemide 02 ! ( 56 kg ) Marion Jones United States Athletics THG 01 ! ( women 's 100 m ), 01 ! ( women 's 200 m ), 01 ! ( women 's 4x400 m relay ), 03 ! ( women 's long jump ), 03 ! ( women 's 4x100 m relay ) Alexander Leipold Germany Wrestling Nandrolone 01 ! ( 76 kg ) Sevdalin Minchev Bulgaria Weightlifting Furosemide 03 ! ( 62 kg ) Antonio Pettigrew United States Athletics EPO and HGH 01 ! ( men 's 4 × 400 m relay ) Svetlana Pospelova Russia Athletics Stanozolol Oyuunbilegiin Pürevbaatar Mongolia Wrestling Furosemide Andreea Răducan Romania Gymnastics Pseudophedrine 01 ! ( women 's individual all - round ) Andris Reinholds Latvia Rowing Nandrolone Jerome Young United States Athletics Nandrolone 01 ! ( men 's 4 × 400 m relay ) 2004 Athens Main article : 2004 Summer Olympics Name Country Sport Anti-doping rule violation Medals Ref. Wafa Ammouri Morocco Weightlifting Anabolic steroid Adrián Annus Hungary Athletics Falsified test result, evasion of doping control 01 ! ( men 's hammer throw ) Ludger Beerbaum Germany Equestrian Betamethasone ( to horse Goldfever ) 01 ! ( team jumping ) Yuriy Bilonog Ukraine Athletics Oxandrolone ( positive after retest in 2012 ) 01 ! ( men 's shot put ) Zhanna Block Ukraine Athletics BALCO investigation Andrew Brack Greece Baseball Stanozolol ( pre-Games test ) Viktor Chislean Moldova Weightlifting Anabolic steroid Crystal Cox United States Athletics Anabolic agents and hormones ( investigation completed 2010 ) 01 ! ( women 's 4 × 400 m relay ) Róbert Fazekas Hungary Athletics Refused to submit sample 01 ! ( men 's discus throw ) Mabel Fonseca Puerto Rico Wrestling Stanozolol Anton Galkin Russia Athletics Stanozolol Ferenc Gyurkovics Hungary Weightlifting Oxandrolone 02 ! ( 105 kg ) Tyler Hamilton United States Cycling Use of prohibited substances and methods ( self admission ) 01 ! ( men 's road time trial ) Marion Jones United States Athletics BALCO investigation Zoltan Kecskes Hungary Weightlifting Anabolic steroid Konstantinos Kenteris Greece Athletics Evasion of doping control Albina Khomich Russia Weightlifting Testosterone Aye Khine Nan Myanmar Weightlifting Anabolic steroid Irina Korzhanenko Russia Athletics Stanozolol 01 ! ( women 's shot put ) Zoltán Kovács Hungary Weightlifting Refused to submit sample Svetlana Krivelyova Russia Athletics Oxandrolone ( positive after retest in 2012 ) 03 ! ( women 's shot put ) Pratima Kumari Na India Weightlifting Anabolic steroid Aleksey Lesnichiy Belarus Athletics Clenbuterol David Munyasia Kenya Boxing Cathine Derek Nicholson Greece Baseball Diuretic ( pre-Games test ) Cian O'Connor Ireland Equestrian Antipsychotics ( to horse Waterford Crystal ) 01 ! ( individual jumping ) Olena Olefirenko Ukraine Rowing Ethamivan 03 ! ( women 's quadruple sculls ) Oleg Perepetchenov Russia Weightlifting Clenbuterol ( positive after retest in 2012 ) 03 ! ( 77 kg ) Duane Ross United States Athletics BALCO investigation Leonidas Sampanis Greece Weightlifting Testosterone 03 ! ( 62 kg ) Thinbaijam Sanamcha Chanu India Weightlifting Furosemide Mital Sharipov Kyrgyzstan Weightlifting Furosemide Olga Shchukina Uzbekistan Athletics Clenbuterol Şule Şahbaz Turkey Weightlifting Anabolic steroid Ekaterini Thanou Greece Athletics Evasion of doping control Ivan Tsikhan Belarus Athletics Methandienone ( positive after retest in 2012 ) 02 ! ( men 's hammer throw ) Irina Yatchenko Belarus Athletics Methandienone ( positive after retest in 2012 ) 03 ! ( women 's discus throw ) 2008 Beijing Main article : 2008 Summer Olympics `` Zero Tolerance for Doping '' was adopted as an official slogan for the Beijing Olympic Games. A number of athletes were already eliminated by testing prior to coming to Beijing. Out of the 4,500 samples that were collected from participating athletes at the games, six athletes with positive specimens were ousted from the competition. Further positive tests were found in 2016, as samples had been sealed and stored for eight years. The quality of the original testing was questioned when the BBC reported that samples positive for EPO were labeled as negative by Chinese laboratories in July, 2008. The initial rate of positive findings was lower than at Athens in 2004, but the prevalence of doping had not necessarily decreased ; the technology for creating and concealing drugs had become more sophisticated, and a number of drugs could not be detected. In August 2015, the Turkish Athletics Federation confirmed that an in - competition test of Elvan Abeylegesse at the 2007 IAAF World Championships in Athletics had been retested and found to be positive for a controlled substance, and that she had been temporarily suspended. On 29 March 2017, the IAAF confirmed the positive test, announced retroactive disqualifications and voided all of her results from 25 August 2007 until 25 August 2009, including the 2008 Summer Olympics. As a result, she was stripped of two silver medals she had won in the women 's 5,000 and 10,000 meter races. In May 2016, following the Russian doping scandal, the IOC announced that 32 targeted retests had come back positive for performance - enhancing drugs, of which Russian News Agency TASS announced that 14 were from Russian athletes, 11 of them track and field athletes, including 2012 Olympic champion high jumper Anna Chicherova. Authorities have sent the B - samples for confirmation testing. Those confirmed as having taken doping agents stand to lose records and medals from the 2008 games to 2016 under IOC and WADA rules. On 18 June 2016, the IWF reported that as a consequence of the IOC 's reanalyses of samples from the 2008 Olympic Games, the samples of the following seven weightlifters had returned positive results : Hripsime Khurshudyan ( Armenia ), Intigam Zairov ( Azerbaijan ), Alexandru Dudoglo ( Moldova ), gold medalist Ilya Ilyin ( Kazakhstan ), bronze medalist Nadezda Evstyukhina and silver medalist Marina Shainova ( both from Russia ), and Nurcan Taylan ( Turkey ). In line with the relevant rules and regulations, the IWF imposed mandatory provisional suspensions upon the athletes. Zairov and Ilyin had been serving previous suspensions. In November 2016, Ilyin was stripped of the gold medal. On 22 July 2016, Sibel Özkan ( TUR ) was disqualified due to an anti-doping rule violation and stripped of her silver medal. Medals have not been reallocated as yet. On 28 July 2016, it was announced that retests of samples from the 2008 Summer Olympics detected a positive sample for performance - enhancing drugs from Aksana Miankova of Belarus, who won a gold medal in the women 's hammer throw. There have been no decisions about stripping and reallocation of medals as yet. On 16 August 2016, the Russian women 's 4 × 100 metres relay team was disqualified for doping. Russian teammates were stripped of their gold Olympic medals, as Yuliya Chermoshanskaya had her samples reanalyzed and tested positive for two prohibited substances. The IAAF was requested to modify the results accordingly and to consider any further action within its own competence. On 19 August 2016, the Russian women 's 4 × 400 metres relay team was disqualified for doping. Russian teammates were stripped of their silver Olympic medals, as Anastasiya Kapachinskaya had her samples reanalyzed and tested positive for the same two prohibited substances as Chermoshanskaya. On 24 August 2016, the IWF reported that as a consequence of the IOC 's reanalyses of samples from the 2008 Olympic Games, the samples of the following athletes had returned positive results : Nizami Pashayev ( Azerbaijan ), Iryna Kulesha, Nastassia Novikava, Andrei Rybakou ( all from Belarus ), Cao Lei, Chen Xiexia, Liu Chunhong ( all from China ), Mariya Grabovetskaya, Maya Maneza, Irina Nekrassova, Vladimir Sedov ( all from Kazakhstan ), Khadzhimurat Akkaev, Dmitry Lapikov ( both from Russia ), and Natalya Davydova and Olha Korobka ( both from Ukraine ). In line with the relevant rules and regulations, the IWF imposed mandatory provisional suspensions upon the athletes, who remain provisionally suspended in view of potential anti-doping rule violations until their cases are closed. On 29 August 2016, some non-official reports indicated that Artur Taymazov of Uzbekistan had been stripped of the 2008 Olympic gold medal in the freestyle wrestling 120 kg event due to a positive test for doping. On 31 August 2016, the IOC disqualified six sportspeople for failing doping tests at the 2008 Games. They included three Russian medalists : weightlifters Nadezhda Evstyukhina ( bronze medal in the women 's 75 kg event ), Marina Shainova ( silver medal in the women 's 58 kg event ), and Tatyana Firova, who finished second with teammates in the 4 × 400 m relay. Bronze medal weightlifter Tigran Martirosyan of Armenia ( men 's 69 kg event ) and fellow weightlifters Alexandru Dudoglo ( 9th place ) of Moldova and Intigam Zairov ( 9th place ) of Azerbaijan were also disqualified. On 1 September 2016, the IOC disqualified a further two athletes. Cuban discus thrower Yarelys Barrios, who won a silver medal in the women 's discus, was disqualified after testing positive for Acetazolamide and ordered to return her medal. Qatari sprinter Samuel Francis, who finished 16th in the 100 meters, was also disqualified after testing positive for Stanozolol. On 13 September 2016, four more Russian athletes were disqualified for doping offenses. Two of those were medalists from the 2008 Summer Olympics : silver medalist Mariya Abakumova in the women 's javelin throw and Denis Alekseyev, who was part of the bronze medal team in the men 's 4 × 400 m relay. Inga Abitova, who finished 6th in the 10,000 meters, and cyclist Ekaterina Gnidenko also tested positive for a banned substance and were disqualified. On 23 September 2016, some non-official reports indicate wrestler Vasyl Fedoryshyn of Ukraine has been stripped of the 2008 Olympic silver medal in the freestyle 60 kg event due to a positive test for doping. On 6 October 2016, the IOC disqualified Anna Chicherova of the Russian Federation for testing positive for performance - enhancing drugs. She won a bronze medal in the women 's high jump. Russia would likely keep the bronze medal, as the fourth - place athlete in the competition was also from Russia. Through 6 October 2016, the IOC has reported Adverse Analytical Findings for 25 weightlifters from its 2016 retests of samples from the 2008 Beijing Olympic Games, all but three of whom tested positive for anabolic agents ( three Chinese weightlifters were positive for growth hormones ). On 26 October 2016, the IOC disqualified nine more athletes for failing drugs tests at the 2008 Games. Among them were six medal winners : weightlifters Andrei Rybakou and Nastassia Novikava, both from Belarus, and Olha Korobka of Ukraine ; women 's steeplechase bronze medalist Ekaterina Volkova of Russia ; and freestyle wrestlers Soslan Tigiev of Uzbekistan and Taimuraz Tigiyev of Kazakhstan. The others were men 's 62 kg weightlifter Sardar Hasanov of Azerbaijan, long jumper Wilfredo Martinez of Cuba, and 100m - hurdler Josephine Nnkiruka Onyia of Spain. On 17 November 2016, the IOC disqualified 16 more athletes for failing drugs tests at the 2008 games. Among them were 10 medal winners : weightlifters Khadzhimurat Akkayev and Dmitry Lapikov and wrestler Khasan Baroyev from the Russian Federation, weightlifters Mariya Grabovetskaya, Irina Nekrassova and wrestler Asset Mambetov from Kazakhstan, weightlifter Nataliya Davydova and pole vaulter Denys Yurchenko from Ukraine, long / triple jumper Hrysopiyí Devetzí of Greece and wrestler Vitaliy Rahimov of Azerbaijan. The others were women 's 75 kg weightlifter Iryna Kulesha of Belarus, women 's + 63 kg weightlifter Maya Maneza of Kazakhstan, women 's high jumper Vita Palamar of Ukraine, men 's 94 kg weightlifter Nizami Pashayev of Azerbaijan, men 's 85 kg weightlifter Vladimir Sedov of Kazakhstan, and women 's high jumper Elena Slesarenko of the Russian Federation. On 25 November 2016, the IOC disqualified 5 more athletes for failing drugs tests at the 2008 games. Among them were 3 medal winners : gold - medalists 94 kg weightlifter Ilya Ilin of Kazakhstan and hammer thrower Aksana Miankova of Belarus and silver - medalist shot putter Natallia Mikhnevich of Belarus. The others were shot putter Pavel Lyzhyn and 800m runner Sviatlana Usovich, both of Belarus. On 12 January 2017, the IOC disqualified five more athletes for failing drug tests at the 2008 Games. These included three Chinese women 's weightlifting gold medalists : Lei Cao ( 75 kg ), Xiexia Chen ( 48 kg ) and Chunhong Liu ( 69 kg ). Two women athletes from Belarus were disqualified : bronze medalist shot putter Nadzeya Ostapchuk and hammer thrower Darya Pchelnik, who did not medal. On 25 January 2017, the IOC stripped Jamaica of the athletics gold medal in the men 's 4 × 100 m relay due to Nesta Carter testing positive for the prohibited substance methylhexaneamine. The IOC also stripped Russian jumper Tatyana Lebedeva of two silver medals in women 's triple jump and long jump due to use of turinabol. On 1 March 2017, the IOC disqualified Victoria Tereshchuk of Ukraine due to use of turinabol and stripped her of the bronze medal in modern pentathlon. By April 2017, the 2008 Summer Olympics has had the most ( 50 ) Olympic medals stripped for doping violations. Russia is the leading country with 14 medals stripped off. Disqualified Name Country Sport Banned substance Medals Details Elvan Abeylegesse Turkey Athletics 02 ! ( 5,000 meters ) 02 ! ( 10,000 meters ) disqualification following post-event testing for 2007 IAAF World Championships Christian Ahlmann Germany Equestrian Capsaicin Bernardo Alves Brazil Equestrian Capsaicin Lyudmila Blonska Ukraine Athletics Methyltestosterone 02 ! ( heptathlon ) IOC post-event testing Tony André Hansen Norway Equestrian Capsaicin 03 ! ( team jumping ) Alissa Kallinikou Cyprus Athletics Testosterone In competition test in July 2008 Kim Jong - su North Korea Shooting Propranolol 03 ! ( men 's 10 m air pistol ), 02 ! ( 50 m pistol ) Courtney King United States Equestrian Felbinac Denis Lynch Ireland Equestrian Capsaicin Andrei Mikhnevich Belarus Athletics Retest of sample from 2005 WCh : Clenbuterol, Methandienone and Oxandrolone 03 ! ( men 's shotput ) IAAF retest of sample from the 2005 IAAF World Championships. All results from August 2005 onwards annulled. Tezdzhan Naimova Bulgaria Athletics Tampering with doping control IAAF out - of - competition test in June 2008. Rodrigo Pessoa Brazil Equestrian Nonivamide Igor Razoronov Ukraine Weightlifting Nandrolone Adam Seroczyński Poland Canoeing Clenbuterol Do Thi Ngan Thuong Vietnam Gymnastics Furosemide Vanja Perisic Croatia Athletics 800 Metres CERA IOC re-analysis of sample in 2009 Rashid Ramzi Bahrain Athletics 1500 Metres CERA 01 ! IOC re-analysis of sample in 2009 Davide Rebellin Italy Cycling Road Race CERA 02 ! IOC re-analysis of sample in 2009 Stefan Schumacher Germany Cycling Time Trial CERA IOC re-analysis of sample in 2009 Athanasia Tsoumeleka Greece Athletics 20 Kilometre Walk CERA IOC re-analysis of sample in 2009 Yuliya Chermoshanskaya Russia Athletics 200 Metres 4 × 100 Metres Relay Stanozolol & Turinabol 01 ! ( 4x100 metre relay ) IOC re-analysis of sample in 2016 Tatyana Firova Russia Athletics 400 Metres 4 × 400 Metres Relay Turinabol & Metabolite of 1 - Testosterone, 1 - Androstenedione or 1 - Androstenediol 02 ! ( 4 × 400 metre relay ) IOC re-analysis of sample in 2016 Anastasia Kapachinskaya Russia Athletics 400 Metres 4 × 400 Metres Relay Stanozolol & Turinabol 02 ! ( 4x400 metre relay ) IOC re-analysis of sample in 2016 Hripsime Khurshudyan Armenia Weightlifiting 75 kg Stanozolol IOC re-analysis of sample in 2016 Tigran Gevorg Martirosyan Armenia Weightlifting 69 kg Stanozolol & Turinabol 03 ! IOC re-analysis of sample in 2016 Samuel Adelebari Francis Qatar Athletics 100 Metres 200 Metres Stanozolol IOC re-analysis of sample in 2016 Nadezhda Evstyukhina Russia Weightlifting 75 kg Turinabol & EPO 03 ! IOC re-analysis of sample in 2016 Alexander Pogorelov Russia Athletics Decathlon Turinabol IOC re-analysis of sample in 2016 Marina Shainova Russia Weightlifting 58 kg Stanozolol and Turinabol 02 ! IOC re-analysis of sample in 2016 Alexandru Dudoglo Moldova Weightlifting 69 kg Stanozolol IOC re-analysis of sample in 2016 Nurcan Taylan Turkey Weightlifiting 48 kg Stanozolol IOC re-analysis of sample in 2016 Yarelys Barrios Cuba Athletics Discus Throw Acetazolamide 02 ! IOC re-analysis of sample in 2016 Intigam Zairov Azerbaijan Weightlifting 85 kg Turinabol IOC re-analysis of sample in 2016 Ivan Yushkov Russia Athletics Shot Put Stanozolol, Oxandrolone & Turinabol IOC re-analysis of sample in 2016 Sibel Özkan Turkey Weightlifiting 48 kg Stanozolol 02 ! IOC re-analysis of sample in 2016 Ilya Ilyin Kazakhstan Weightlifiting 94 kg Stanozolol 01 ! IOC re-analysis of sample in 2016 Mariya Abakumova Russia Athletics Javelin Throw Turinabol 02 ! IOC re-analysis of sample in 2016 Inga Abitova Russia Athletics 10,000 Metres Turinabol IOC re-analysis of sample in 2016 Denis Alexeev Russia Athletics 400 Metres Turinabol IOC re-analysis of sample in 2016 Anna Chicherova Russia Athletics High Jump Turinabol 03 ! IOC re-analysis of sample in 2016 Sardar Hasanov Azerbaijan Weightlifting 62 kg Turinabol IOC re-analysis of sample in 2016 Wilfredo Martínez Cuba Athletics Long Jump Acetazolamide IOC re-analysis of sample in 2016 Josephine Nnkiruka Onyia Spain Athletics 100 Metre Hurdles Methylhexanamine IOC re-analysis of sample in 2016 Soslan Tigiev Uzbekistan Wrestling Freestyle 74 kg Turinabol 02 ! IOC re-analysis of sample in 2016 Ekaterina Volkova Russia Athletics 3000 Metre Steeplechase Turinabol 03 ! IOC re-analysis of sample in 2016 Olha Korobka Ukraine Weightlifting + 75 kg Turinabol 02 ! IOC re-analysis of sample in 2016 Nastassia Novikava Belarus Weightlifting 53 kg Turinabol & Stanozolol 03 ! IOC re-analysis of sample in 2016 Andrei Rybakou Belarus Weightlifting 85 kg Stanozolol & Turinabol 02 ! IOC re-analysis of sample in 2016 Taimuraz Tigiyev Kazakhstan Wrestling Freestyle 96 kg Turinabol 02 ! IOC re-analysis of sample in 2016 Khadzhimurat Akkayev Russia Weightlifting 94 kg Turinabol 03 ! IOC re-analysis of sample in 2016 Khasan Baroyev Russia Wrestling Greco - Roman 120 kg Turinabol 02 ! IOC re-analysis of sample in 2016 Nataliya Davydova Ukraine Weightlifting 69 kg Turinabol 03 ! IOC re-analysis of sample in 2016 Chrysopigi Devetzi Greece Athletics Triple Jump Stanozolol 03 ! IOC re-analysis of sample in 2016 Mariya Grabovetskaya Kazakhstan Weightlifting + 75 kg Turinabol, Oxandrolone & Stanozolol 03 ! IOC re-analysis of sample in 2016 Iryna Kulesha Belarus Weightlifting 75 kg Turinabol IOC re-analysis of sample in 2016 Dmitry Lapikov Russia Weightlifting 105 kg Turinabol 03 ! IOC re-analysis of sample in 2016 Asset Mambetov Kazakhstan Wrestling Greco - Roman 96 kg Stanozolol 03 ! IOC re-analysis of sample in 2016 Maya Maneza Kazakhstan Weightlifting 63 kg Stanozolol IOC re-analysis of sample in 2016 Irina Nekrassova Kazakhstan Weightlifting 63 kg Stanozolol 02 ! IOC re-analysis of sample in 2016 Vita Palamar Ukraine Athletics High Jump Turinabol IOC re-analysis of sample in 2016 Nizami Pashayev Azerbaijan Weightlifting 94 kg Turinabol, Oxandrolone & Stanozolol IOC re-analysis of sample in 2016 Vitaliy Rahimov Azerbaijan Wrestling Greco - Roman 60 kg Turinabol 02 ! IOC re-analysis of sample in 2016 Vladimir Sedov Kazakhstan Weightlifting 85 kg Stanozolol IOC re-analysis of sample in 2016 Elena Slesarenko Russia Athletics High Jump Turinabol IOC re-analysis of sample in 2016 Denys Yurchenko Ukraine Athletics Pole Vault Turinabol 03 ! IOC re-analysis of sample in 2016 Pavel Lyzhyn Belarus Athletics Shot Put Turinabol IOC re-analysis of sample in 2016 Aksana Miankova Belarus Athletics Hammer Throw Turinabol & Oxandrolone 01 ! IOC re-analysis of sample in 2016 Natallia Mikhnevich Belarus Athletics Shot Put Metandienone & Stanozolol 02 ! IOC re-analysis of sample in 2016 Sviatlana Vusovich Belarus Athletics 800 Metres Turinabol IOC re-analysis of sample in 2016 Nadzeya Ostapchuk Belarus Athletics Shot Put Turinabol & Tamoxifen 03 ! IOC re-analysis of sample in 2017 Darya Pchelnik Belarus Athletics Hammer Throw Turinabol IOC re-analysis of sample in 2017 Cao Lei China Weightlifiting 75 kg GHRP - 2 & Metabolite 01 ! IOC re-analysis of sample in 2017 Chen Xiexia China Weightlifiting 48 kg GHRP - 2 & Metabolite 01 ! IOC re-analysis of sample in 2017 Liu Chunhong China Weightlifiting 69 kg GHRP - 2, Metabolite & Sibutramine 01 ! IOC re-analysis of sample in 2017 Nesta Carter Jamaica Athletics 4 × 100 Metres Relay Methylhexanamine 01 ! IOC re-analysis of sample in 2017 Tatyana Lebedeva Russia Athletics Triple Jump Long Jump Turinabol 02 ! 02 ! IOC re-analysis of sample in 2017 Victoria Tereshchuk Ukraine Modern Pentathlon Individual Turinabol 03 ! IOC re-analysis of sample in 2017 Vasyl Fedoryshyn Ukraine Wrestling Freestyle 60 kg Turinabol 02 ! IOC re-analysis of sample in 2017 Artur Taymazov Uzbekistan Wrestling Freestyle 120 kg Turinabol & Stanozolol 01 ! IOC re-analysis of sample in 2017 Tatyana Chernova Russia Athletics Heptathlon Turinabol 03 ! IOC re-analysis of sample in 2017 Denis Alexeev Russia Athletics Men 's 4 × 400 m relay Turinabol 03 ! IOC re-analysis of sample in 2017 Did not start Athletes who were selected for the Games, but provisionally suspended before competing. Name Country Sport Banned substance Details Fani Halkia Greece Athletics Methyltrienolone Pre-Games testing in Japan Maria Isabel Moreno Spain Cycling Erythropoietin Pre-Games testing in Olympic village, Beijing Tatyana Tomashova Russia Athletics IAAF out - of - competition tests in May and August 2007 Yelena Soboleva Russia Athletics IAAF out - of - competition tests in May and August 2007 Svetlana Cherkasova Russia Athletics IAAF out - of - competition tests in May and August 2007 Yuliya Fomenko Russia Athletics IAAF out - of - competition tests in May and August 2007 Darya Pishchalnikova Russia Athletics IAAF out - of - competition tests in May and August 2007 Gulfia Khanafeyeva Russia Athletics IAAF out - of - competition tests in May and August 2007 Olga Yegorova Russia Athletics IAAF out - of - competition tests in May and August 2007 2012 London Main article : 2012 Summer Olympics It was announced prior to the Summer games that half of all competitors would be tested for drugs, with 150 scientists set to take 6,000 samples between the start of the games and the end of the Paralympic games. All medalists would also be tested. The Olympic anti-doping laboratory would test up to 400 samples every day for more than 240 prohibited substances. The head of the World Anti-Doping Agency ( WADA ), John Fahey, announced on 24 July that 107 athletes had been sanctioned for doping offences in the six months to 19 June. The `` In - competition '' period began on 16 July. During the `` In - competition '' period Olympic competitors can be tested at any time without notice or in advance. British sprinter Dwain Chambers, cyclist David Millar and shot putter Carl Myerscough competed in London after the British Olympic Association 's policy of punishing drug cheats with lifetime bans was overturned by the Court of Arbitration for Sport. Russian Darya Pishchalnikova participated in the 2012 Olympics and was awarded a silver medal. However, she tested positive for the anabolic steroid oxandrolone in the samples taken in May 2012. In December 2012, she sent an email to WADA containing details on an alleged state - run doping program in Russia. According to The New York Times, the email reached three top WADA officials but the agency decided not to open an inquiry and instead sent her email to Russian sports officials. On April, 2013 Pishchalnikova was banned by the Russian Athletics Federation for ten years, and her results from May 2012 were annulled, meaning she was set on track to lose her Olympic medal. Her ban by the Russian Athletics Federation was likely in retaliation. Gold medalists at the games who had been involved in previous doping offences included Alexander Vinokourov, the winner of the men 's road race, Tatyana Lysenko, the winner of the women 's hammer throw, Aslı Çakır Alptekin winner of the women 's 1500 meters and Sandra Perković, winner of the women 's discus throw. Other competitors at the Summer games involved in previous doping cases included American athletes Justin Gatlin and LaShawn Merritt, and Jamaican sprinter Yohan Blake. Spanish athlete Ángel Mullera was first selected for the 3000 m steeplechase and later removed when emails were published in which he discussed EPO use with a trainer. Mullera appealed to CAS which ordered the Spanish Olympic Committee to allow him to participate. Prior to the Olympic competition, several prominent track and field athletes were ruled out of the competition due to failed tests. World indoor medallists Dimitrios Chondrokoukis, Debbie Dunn, and Mariem Alaoui Selsouli were withdrawn from their Olympic teams in July for doping, as was 2004 Olympic medallist Zoltán Kővágó. At the Olympic competition, Tameka Williams admitted to taking a banned stimulant and was removed from the games. Ivan Tsikhan did not compete in the hammer throw as a retest of his sample from the 2004 Athens Olympics, where he won silver, was positive. Amine Laâlou, Marina Marghieva, Diego Palomeque, and defending 50 km walk champion Alex Schwazer were also suspended before taking part in their events. Syrian hurdler Ghfran Almouhamad became the first track - and - field athlete to be suspended following a positive in - competition doping sample. Nadzeya Astapchuk was stripped of the women 's shot put title after her sample came back positive for the banned anabolic agent metenolone. Karin Melis Mey was withdrawn before the long jump final when an earlier failed doping test was confirmed. A WADA report released in 2015 detailed an extensive Russian state - sponsored doping program implicating athletes, coaches, various Russian institutions, doctors and labs. The report stated that the London Olympic Games `` were, in a sense, sabotaged by the admission of athletes who should have not been competing '' and detailed incidents of bribery and bogus urine samples. The report recommended that Russia be barred from track and field events for the 2016 Olympics. It also recommended lifetime bans for five coaches and five athletes from the country, including runners Mariya Savinova, Ekaterina Poistogova, Anastasiya Bazdyreva, Kristina Ugarova, and Tatjana Myazina. On 15 June 2016, it was announced that four London 2012 Olympic weightlifting champions had tested positive for performance - enhancing drugs. They include Kazakhstan 's Ilya Ilyin ( 94 kg ), Zulfiya Chinshanlo ( 53 kg ), Maiya Maneza ( 63 kg ) and Svetlana Podobedova ( 75 kg ). If confirmed, Kazakhstan would drop from 12th to 23rd in the 2012 medal standings. Six other lifters who competed at the 2012 Games also tested positive after hundreds of samples were reanalysed. Among them are Russia 's Apti Aukhadov ( silver at 85 kg ), Ukraine 's Yuliya Kalina ( bronze at 58 kg ), Belarusian Maryna Shkermankova ( bronze at 69 kg ), Azerbaijan 's Boyanka Kostova and Belarus duo Dzina Sazanavets and Yauheni Zharnasek. On 27 July 2016, IWF has reported in the second wave of re-sampling that three silver medalists from Russia, namely Natalia Zabolotnaya ( at 75 kg ), Aleksandr Ivanov ( at 94 kg ) and Svetlana Tsarukayeva ( at 63 kg ), together with bronze medalists Armenian Hripsime Khurshudyan ( at 75 + kg ), Belarusian Iryna Kulesha ( at 75 kg ) and Moldovan Cristina Iovu ( at 53 kg ) have tested positive for steroid dehydrochlormethyltestosterone. Aukhadov was stripped of his silver medal by the IOC on 18 October 2016. On 27 October 2016 Maiya Maneza was stripped of her gold medal. In November 2016, Ilyin was stripped of the London gold medal. On 13 July 2016, the IOC announced that Yuliya Kalina of Ukraine had been disqualified from the 2012 Summer Olympics and ordered to return the bronze medal from the 58 kg weightlifting event. Reanalysis of Kalina 's samples from London 2012 resulted in a positive test for the prohibited substance dehydrochlormethyltestosterone ( turinabol ). The positions were adjusted accordingly. On 9 August 2016, the IOC announced that Oleksandr Pyatnytsya of Ukraine would be stripped of his silver medal in the javelin throw after he tested positive for the prohibited substance dehydrochlormethyltestosterone ( turinabol ). Redistribution of medals has not yet been announced, but the likely case is the silver and bronze medals will be given to Finland and Czech Republic instead. On 20 August 2016, the IOC announced that Yevgeniya Kolodko of Russia would be stripped of her silver medal in shot put after she tested positive of dehydrochlormethyltestosterone ( turinabol ) and ipamorelin. Medals are not reallocated yet. On 29 August 2016, a report indicated that a retested sample for Besik Kudukhov of Russia, the silver medalist in the men 's 60 kg freestyle wrestling event, had returned a positive result ( later disclosed as dehydrochlormethyltestosterone ). Kudakhov died in a car crash in December 2013. On 27 October 2016, the IOC dropped all disciplinary proceedings against Kudukhov, stating that such proceedings can not be conducted against a deceased person. As a result, it said, Olympic results that would have been reviewed will remain uncorrected, which is the unavoidable consequence of the fact that the proceedings can not move forward. On 13 September 2016, the IWF reported that the men 's 94 kg weightlifting bronze medalist, Moldova 's Anatolie Cîrîcu, had tested positive for the dehydrochlormethyltestosterone. On 6 October 2016, the IWF reported that as a consequence of the IOC 's reanalyses of samples from the 2012 Olympic Games, a sample of Norayr Vardanyan, who represented Armenia, had returned a positive result. In line with the relevant rules and regulations, the IWF imposed mandatory provisional suspensions upon Vardanyan, who remains provisionally suspended until his case is closed. On 12 January 2017, the IOC disqualified Vardanyan. Through 6 October 2016, the IOC had reported Adverse Analytical Findings for 23 weightlifters from its 2016 retests of samples from the 2012 London Olympic Games, all of whom tested positive for anabolic agents. On 11 October 2016, Tatyana Lysenko of the Russian Federation was disqualified from the women 's hammer throw, in which she won the gold medal. She had tested positive for a banned substance. The IOC requested the IAAF to modify the results of this event accordingly. The silver medalist Anita Włodarczyk of Poland would likely take the gold medal in her place. On 18 October 2016, the IOC disqualified Apti Aukhadov of the Russian Federation for doping and stripped him of the silver medal. The IOC requested the IWF to modify the results of this event accordingly ; it has not yet published modified results. On 18 October 2016, the IOC reported that Maksym Mazuryk of Ukraine, who competed in the Men 's Pole Vault event, was disqualified from the 2012 London Games, in which he ranked 18th. Re-analysis of Mazuryk 's samples resulted in a positive test for dehydrochlormethyltestosterone. On 27 October 2016 the IOC disqualified a further eight athletes for failing doping tests at the games. This included four medal winners in weightlifting : Zulfiya Chinshanlo, Maiya Maneza and Svetlana Podobedova, all from Kazakhstan, and Maryna Shkermankova of Belarus. The others were hammer thrower Kirill Ikonnikov of Russia, women 's 69 kg weightlifter Dzina Sazanavets of Belarus, pole vaulter Dmitry Starodubtsev of Russia, and men 's + 105 kg weightlifter Yauheni Zharnasek of Belarus. On 21 November 2016 the IOC disqualified a further 12 athletes for failing doping tests at the games. This included 6 medal winners in weightlifting, including Alexandr Ivanov ( Russia ), Anatoli Ciricu ( Moldova ), Cristina Iovu ( Moldova ), Nataliya Zabolotnaya ( Russia ), Iryna Kulesha ( Belarus ), and Hripsime Khurshudyan ( Armenia ). Moldova has lost all its 2012 London medals. The others were hammer thrower Oleksandr Drygol and long jumper Margaryta Tverdokhlib, both of Ukraine, 85 kg weightlifter Rauli Tsirekidze of Georgia, 94 kg weightlifter Almas Uteshov of Kazakhstan, 94 kg weightlifter Andrey Demanov of Russia and 3000m steeplechaser Yuliya Zaripova of Russia, who had previously been sanctioned in March 2016 by the Court of Arbitration for Sport. On 25 November 2016, the IOC disqualified 4 more athletes for failing drug tests at the 2012 games. They were gold medalist 94 kg weightlifter Ilya Ilin of Kazakhstan, hammer thrower Aksana Miankova and long jumper Nastassia Mironchyk - Ivanova, both of Belarus, and 58 kg weightlifter Boyanka Kostova of Azerbaijan. On 29 November 2016 the Court of Arbitration for Sport issued a decision that all results achieved by 2012 Olympic heptathlon bronze medalist Tatyana Chernova of Russia between 15 August 2011 and 22 July 2013 are annulled. It also annulled all of Yekaterina Sharmina 's results between 17 June 2011 and 5 August 2015, including her 33rd - place finish in the 2012 women 's 1500m. CAS ruled that they `` have been found to have committed an anti-doping rule violation... of the International Athletic Association Federation ( IAAF ) Competition Rules after analysis of their Athlete Biological Passports ( ABP ) showed evidence of blood doping. '' On 12 January 2017, the IOC disqualified three weightlifters for failing drug tests at the 2012 games. Two competed in men 's 94 kg weightlifting : Intigam Zairov of Azerbaijan and Norayr Vardanyan of Armenia. Women 's 63 kg weightlifter Sibel Simsek of Turkey was disqualified. None was a medalist at these games. On 1 February 2017, the IOC disqualified three athletes due to failed doping tests, all of whom tested positive for turinabol. Russian women 's discus thrower Vera Ganeeva, who finished 23rd, Turkish boxer Adem Kilicci, who ranked 5th in men 's 69 -- 75 kg boxing, and Russian 400m runner Antonina Krivoshapka, who finished 6th, were disqualified. Krivoshapka also was part of the Russian silver medal - winning women 's 4 × 400 m relay team, which was stripped of the silver medals. In December 2014, a documentary aired on German TV in which 800m gold medalist Mariya Savinova allegedly admitted to using banned substances on camera. In November 2015, Savinova was one of five Russian runners the World Anti-Doping Agency recommended to receive a lifetime ban for doping during the London Olympics, along with 800m bronze medalist Ekaterina Poistogova. On 10 February 2017, the Court of Arbitration for Sport upheld a four - year ban that effectively stripped Savinova of her Olympic gold and other medals. On 7 April 2017, CAS refused to decide on disqualification from 2012, and disqualify Ekaterina Poistogova from 2015. Thus, Ekaterina Poistogova retained her Olympic 2012 medal at women 's 800 metres athletic event. On April 2017, the Olympics has had 29 Olympic medals stripped for doping violations. Russia is the leading country with 13 medals stripped off. Disqualified Name Country Sport Banned substance Medals Details of test Hussain Al - Hamdah Saudi Arabia Athletics 5000 metres Biological passport abnormalities IAAF sanction imposed 2013 w / results annulled from 26 March 2009 onwards. Gamze Bulut Turkey Athletics 1500 metres Biological passport abnormalities 02 ! IAAF sanction imposed in 2017 Mariya Savinova Russia Athletics 800 metres Biological passport abnormalities 01 ! CAS confirmed all results annulled from July 2010 to August 2013 Ghfran Almouhamad Syria Athletics 400 metres hurdles Methylhexaneamine IOC pre-competition testing at 2012 Summer Olympics Elena Arzhakova Russia Athletics 800 metres Biological passport abnormalities IAAF sanction imposed 2013 w / results annulled from 12 July 2011 onwards. Sergey Bakulin Russia Athletics 50 km race walk Biological passport abnormalities IAAF / CAS sanction imposed 2016 w / results annulled from 25 February 2011 to 24 December 2012. Valeriy Borchin Russia Athletics 20 km race walk Biological passport abnormalities IAAF / CAS sanction imposed 2016 w / results annulled from 14 August 2009 to 15 October 2012. Abderrahime Bouramdane Morocco Athletics Marathon Biological passport abnormalities IAAF sanction imposed 2015 w / results annulled from 14 April 2011 onwards. Yolanda Caballero Colombia Athletics Marathon Biological passport abnormalities IAAF sanction imposed 2014 w / results annulled from 24 October 2011 onwards. Aslı Çakır - Alptekin Turkey Athletics 1500 metres Biological passport abnormalities 01 ! IAAF / CAS sanction imposed 2015 w / results annulled from 29 July 2010 onwards. Nicholas Delpopolo United States Judo Cannabis IOC post-event testing at 2012 Summer Olympics. Bahar Doğan Turkey Athletics Marathon Biological passport abnormalities IAAF sanction imposed 2015 w / results annulled from 3 June 2011 onwards. Marta Domínguez Spain Athletics Steeplechase Biological passport abnormalities IAAF / CAS sanction imposed 2015 w / results annulled from 5 August 2009 onwards. Hamza Driouch Qatar Athletics 1500 metres Biological passport abnormalities IAAF sanction imposed 2015 w / results annulled from 2 August 2012 onwards. Tyson Gay United States Athletics 100 metres 4 × 100 meters Anabolic androgenic steroids 02 ! ( 4 × 100 meters ) USADA investigation after positive for anabolic androgenic asteroids in 2013 ; admittance. Yelizaveta Grechishnikova Russia Athletics 10,000 metres Biological passport abnormalities IAAF sanction imposed 2013 w / results annulled from 18 August 2009 onwards. Semoy Hackett Trinidad and Tobago Athletics 100 metres 200 metres 4 × 100 metres relay Methylhexaneamine Positive from Division I Outdoor Track & Field Championships in June 2012 Tetyana Hamera - Shmyrko Ukraine Athletics Marathon Biological passport abnormalities IAAF sanction imposed 2015 w / results annulled from 26 August 2011 onwards. Hassan Hirt France Athletics 5000 metres EPO IOC pre-Games testing. Vladimir Kanaikin Russia Athletics 20 km race walk Biological passport abnormalities IAAF / CAS sanction imposed 2016 w / results annulled from 25 February 2011 to 17 December 2012. Olga Kaniskina Russia Athletics 20 km race walk Biological passport abnormalities 02 ! IAAF / CAS sanction imposed 2016 w / results annulled from 15 August 2009 to 15 October 2012. Natallia Kareiva Belarus Athletics 1500 metres Biological passport abnormalities IAAF sanction imposed 2014 w / results annulled from 28 July 2010 onwards. Ümmü Kiraz Turkey Athletics Marathon Biological passport abnormalities IAAF sanction imposed 2015 w / results annulled from 3 June 2011 onwards. Sergey Kirdyapkin Russia Athletics 50 km race walk Biological passport abnormalities 01 ! IAAF / CAS sanction imposed 2016 w / results annulled from 20 August 2009 to 15 October 2012. Blaža Klemenčič Slovenia Cycling MTB EPO UCI reanalysis of sample from 27 March 2012 in 2015. All results annulled from 27 March 2012 until 31 December 2012. Yekaterina Kostetskaya Russia Athletics 1500 metres Biological passport abnormalities IAAF sanction imposed 2014 w / results annulled from 30 August 2011 onwards. Zalina Marghieva Moldova Athletics Hammer throw 2009 WCh retest : Stanozolol, Oral Turinabol IAAF retesting of samples from 2009 IAAF World Championships Karin Melis Mey Turkey Athletics Long jump Testosterone Positive from the 2012 European Athletics Championships in June. Provisionally suspended after the qualifying round at the Games. Andrei Mikhnevich Belarus Athletics Shot put 2005 WCh retest : Clenbuterol, Methandienone and Oxandrolone IAAF retest of sample from the 2005 IAAF World Championships. All results from August 2005 onwards annulled. Anna Mishchenko Ukraine Athletics 1500 m Biological passport abnormalities IAAF sanction imposed 2015 w / results annulled from 28 June 2012 onwards. Semiha Mutlu Turkey Athletics 20 km race walk Biological passport abnormalities IAAF sanction imposed 2015 w / results annulled from 20 August 2011 onwards. Nadzeya Ostapchuk Belarus Athletics Shot put Methenolone 01 ! IOC post-event testing at 2012 Summer Olympics ( two separate positive samples ). Darya Pishchalnikova Russia Athletics Discus throw Oxandrolone 02 ! Random out of competition test in May 2012. All her results ( Including those at the 2012 Summer Olympics ) since May 2012 were annulled by the IAAF in April 2013. Hysen Pulaku Albania Weightlifting Stanozolol IOC pre-competition testing at 2012 Summer Olympics. Meliz Redif Turkey Athletics 4 x 400 metres Biological passport abnormalities IAAF sanction imposed 2015 w / results annulled from 26 June 2012 onwards. Pınar Saka Turkey Athletics 400 metres 4 x 400 metres Biological passport abnormalities IAAF sanction imposed 2014 w / results annulled from 18 June 2010 onwards. Mohammed Shaween Saudi Arabia Athletics 1500 metres Biological passport abnormalities IAAF sanction imposed 2014 w / results annulled from 12 June 2011 onwards. Anzhelika Shevchenko Ukraine Athletics 1500 metres Biological passport abnormalities IAAF sanction imposed 2013 w / results annulled from 2 July 2011 onwards. Liliya Shobukhova Russia Athletics Marathon Biological passport abnormalities IAAF sanction imposed 2015 w / results annulled from 9 October 2009 onwards. Svitlana Shmidt Ukraine Athletics Steeplechase Biological passport abnormalities IAAF sanction imposed 2015 w / results annulled from 8 March 2012 onwards. Soslan Tigiev Uzbekistan Wrestling Methylhexaneamine 03 ! IOC post-event testing at 2012 Summer Olympics. Binnaz Uslu Turkey Athletics Steplechase 2011 WCh retest : Stanozolol IAAF retest of sample from 2011 World Championships Wang Jiali China Athletics Marathon Biological passport abnormalities IAAF sanction imposed 2014 w / results annulled from 29 May 2012 onwards. Nevin Yanit Turkey Athletics 100 metres hurdles Biological passport abnormalities IAAF / CAS sanction imposed 2015 w / results annulled from 28 June 2012 onwards. Igor Yerokhin Russia Athletics 50 km walk Biological passport abnormalities IAAF sanction imposed 2013 w / results annulled from 25 February 2011 onwards. Lyudmyla Yosypenko Ukraine Athletics Heptathlon Biological passport abnormalities IAAF sanction imposed 2013 w / results annulled from 25 August 2011 onwards. Olga Beresnyeva Ukraine Swimming Open water EPO IOC re-analysis of sample in 2015 Yuliya Kalina Ukraine Weightlifting 58 kg Turinabol 03 ! IOC re-analysis of sample in 2016. Pavel Kryvitski Belarus Athletics Hammer throw Turinabol & Stanozolol IOC re-analysis of sample in 2016 Oleksandr Pyatnytsya Ukraine Athletics Javelin throw Turinabol 02 ! IOC re-analysis of sample in 2016 Yuliya Zaripova Russia Athletics 3000 Metres Steeplechase Turinabol 01 ! IOC re-analysis of sample in 2016 Maiya Maneza Kazakhstan Weightlifiting 63 kg Stanozolol 01 ! IOC re-analysis of sample in 2016 Zulfiya Chinshanlo Kazakhstan Weightlifiting 53 kg Stanozolol & Oxandrolone 01 ! IOC re-analysis of sample in 2016 Svetlana Podobedova Kazakhstan Weightlifiting 75 kg Stanozolol 01 ! IOC re-analysis of sample in 2016 Yevgeniya Kolodko Russia Athletics Shot Put Turinabol & Ipamorelin 02 ! IOC re-analysis of sample in 2016 Ekaterina Gnidenko Russia Cycling Keirin Turinabol IOC re-analysis of sample in 2016 Tatyana Lysenko Russia Athletics Hammer Throw Turinabol 01 ! IOC re-analysis of sample in 2016 Apti Aukhadov Russia Weightlifting 85 kg Turinabol & Drostanolone 02 ! IOC re-analysis of sample in 2016 Maksym Mazuryk Ukraine Athletics Pole Vault Turinabol IOC re-analysis of sample in 2016 Kirill Ikonnikov Russia Athletics Hammer Throw Turinabol IOC re-analysis of sample in 2016 Dzina Sazanavets Belarus Weightlifting 69 kg Drostanolone & Stanozolol IOC re-analysis of sample in 2016 Maryna Shkermankova Belarus Weightlifting 69 kg Turinabol & Stanozolol 03 ! IOC re-analysis of sample in 2016 Dmitry Starodubtsev Russia Athletics Pole Vault Turinabol IOC re-analysis of sample in 2016 Yauheni Zharnasek Belarus Weightlifting + 105 kg Turinabol, Oxandrolone & Stanozolol IOC re-analysis of sample in 2016 Besik Kudukhov Russia Wrestling Freestyle 60 kg Turinabol 02 ! ( Medal not stripped due to the athletes premature death ) IOC re-analysis of sample in 2016 Andrey Demanov Russia Weightlifting 94 kg Turinabol IOC re-analysis of sample in 2016 Oleksandr Drygol Ukraine Athletics Hammer Throw Turinabol IOC re-analysis of sample in 2016 Cristina Iovu Moldova Weightlifting 53 kg Turinabol 03 ! IOC re-analysis of sample in 2016 Aleksandr Ivanov Russia Weightlifting 94 kg Turinabol & Tamoxifen 02 ! IOC re-analysis of sample in 2016 Hripsime Khurshudyan Armenia Weightlifiting + 75 kg Turinabol & Stanozolol 03 ! IOC re-analysis of sample in 2016 Iryna Kulesha Belarus Weightlifting 75 kg Turinabol & Stanozolol 03 ! IOC re-analysis of sample in 2016 Rauli Tsirekidze Georgia Weightlifting 85 kg Turinabol & Stanozolol IOC re-analysis of sample in 2016 Marharyta Tverdokhlib Ukraine Athletics Long Jump Turinabol & Stanozolol IOC re-analysis of sample in 2016 Almas Uteshov Kazakhstan Weightlifting 94 kg Turinabol & Stanozolol IOC re-analysis of sample in 2016 Natalia Zabolotnaya Russia Weightlifting 75 kg Turinabol 02 ! IOC re-analysis of sample in 2016 Anatolie Cîrîcu Moldova Weightlifting 94 kg Turinabol 03 ! IOC re-analysis of sample in 2016 Ilya Ilyin Kazakhstan Weightlifting 94 kg Turinabol & Stanozolol 01 ! IOC re-analysis of sample in 2016 Aksana Miankova Belarus Athletics Hammer Throw Turinabol & Stanozolol IOC re-analysis of sample in 2016 Nastassia Mironchyk - Ivanova Belarus Athletics Long Jump Turinabol IOC re-analysis of sample in 2016 Boyanka Kostova Azerbaijan Weightlifting 58 kg Turinabol & Stanozolol IOC re-analysis of sample in 2016 Sibel Simsek Turkey Weightlifting 63 kg Turinabol & Stanozolol IOC re-analysis of sample in 2017 Intigam Zairov Azerbaijan Weightlifting 94 kg Turinabol IOC re-analysis of sample in 2017 Norayr Vardanyan Armenia Weightlifting 94 kg Turinabol IOC re-analysis of sample in 2017 Vera Ganeeva Russia Athletics Discus Throw Turinabol IOC re-analysis of sample in 2017 Adem Kilicci Turkey Boxing Middleweight Turinabol IOC re-analysis of sample in 2017 Antonina Krivoshapka Russia Athletics 400 Metres 4 x 400 Metres Relay Turinabol 02 ! ( 4 x 400 metres ) IOC re-analysis of sample in 2017 Mariya Bespalova Russia Athletics Hammer Throw Turinabol IOC re-analysis of sample in 2017 Khadzhimurat Akkayev Russia Weightlifting 105 kg Turinabol IOC re-analysis of sample in 2017 Gulfiya Khanafeyeva Russia Athletics Hammer Throw Turinabol IOC re-analysis of sample in 2017 Victoria Valyukevich Russia Athletics Triple Jump Turinabol IOC re-analysis of sample in 2017 Svetlana Tsarukayeva Russia Weightlifting 63 kg Turinabol 02 ! IOC re-analysis of sample in 2017 Maksim Dyldin Russia Athletics 400 Metres 4 x 400 Metres Relay Turinabol IOC re-analysis of sample in 2017 Tatyana Chernova Russia Athletics Women 's heptathlon Turinabol 03 ! IOC re-analysis of sample in 2017 Anna Nazarova Russia Athletics Long Jump Turinabol IOC re-analysis of sample in 2017 Yulia Gushchina Russia Athletics 400 Metres 4 x 400 Metres Relay Turinabol & Stanozolol 02 ! ( 4 x 400 metres ) IOC re-analysis of sample in 2017 Did not start Athletes who were selected for the Games, but provisionally suspended before competing. Name Country Sport Banned substance Medals Details of test Victoria Baranova Russia Cycling Track - sprint Testosterone IOC pre-Games testing in Belarus Kissya Cataldo Brazil Rowing Single sculls EPO International Rowing Federation pre-Games testing in Brazil Luiza Galiulina Uzbekistan Gymnastics Furosemide IOC pre-Games testing in Uzbekistan. Amine Laâlou Morocco Athletics 1500 metres Furosemide IAAF post-competition testing at Diamond League meeting in Monte Carlo. Marina Marghieva ( Marina Nichișenco ) Moldova Athletics Hammer throw Stanozolol IOC pre-Games testing. Diego Palomeque Colombia Athletics 400 metres Exogenous testosterone IOC pre-competition testing at 2012 Summer Olympics. Alex Schwazer Italy Athletics 50 km walk EPO IOC pre-Games testing in Italy. Tameka Williams Saint Kitts and Nevis Athletics 100 metres `` Blast Off Red '' Did not fail test but confessed to have used an illegal `` veterinary medicine ''. 2016 Rio de Janeiro Main articles : 2016 Summer Olympics and Doping in Russia Originally Russia submitted a list of 389 athletes for competition. On 7 August 2016, the IOC cleared 278 athletes, while 111 were removed because of the state - sponsored doping scandal. The Taiwanese weightlifter Lin Tzu - chi was withdrawn from the games hours before her event by her country 's delegation for an abnormal drugs test. The Kenyan athletics coach John Anzrah, who travelled to Rio independently of his country 's delegation was sent home after being caught posing as an athlete during a doping test. This followed the sending home of Kenya 's track and field manager Michael Rotich who was filmed by a newspaper offering to give athletes advanced notice of any pending drugs test in return for a one - off payment. On 13 October 2016, the IWF reported that weightlifter Gabriel Sincraian of Romania, who won bronze in the men 's 85 - kg event, tested positive for excess testosterone in a test connected to the Rio Olympics. On 8 December 2016, the CAS affirmed the disqualification of Sincraian and the loss of the bronze medal. The CAS also disqualified silver medalist 52 kg boxer Misha Aloian of Russia. Disqualified Name Country Sport Banned substance Medals Details of test Izzat Artykov Kyrgyzstan Weightlifting 69 kg Strychnine 03 ! ( 69 kg ) Positive test for strychnine and forfeiture of medal announced by CAS. Chen Xinyi China Swimming 100 metre butterfly Hydrochlorothiazide Tested positive for the diuretic hydrochlorothiazide ; applied for B sample to be tested and hearing to be held. Anastassya Kudinova Kazakhstan Athletics 400 metres Drostanolone Out - of - competition test in Almaty, Kazakhstan on 13 July 2016 Kléber Ramos Brazil Cycling Road race CERA IOC pre-games test 31 July and out - of - competition test ( blood and urine ) 4 August. Provisionally suspended by UCI on 12 August. Serghei Tarnovschi Moldova Canoeing C - 1 1000 metres C - 2 1000 metres GHRP - 2 03 ! ( C - 1 1000 metres ) Result from pre-game test. Provisionally suspended on 18 August. On 11 July 2017, the Court of Arbitration for Sport upheld the International Canoe Federation 's decision of 30 January 2017 imposing a period of ineligibility of four years and the disqualification of all results from 8 July 2016 onwards. Chagnaadorj Usukhbayar Mongolia Weightlifting 56 kg Exogenous testosterone IOC out - of - competition test on 7. August. Misha Aloian Russia ( RUS ) Boxing Men 's flyweight 02 ! ( Men 's flyweight ) On 8 December 2016, the CAS disqualified weightlifter Gabriel Sîncrăian of Romania and boxer Misha Aloian of Russia. Gabriel Sîncrăian Romania ( ROM ) Weightlifting Men 's 85 kg 03 ! ( Men 's 85 kg ) On 8 December 2016, the CAS disqualified weightlifter Gabriel Sîncrăian of Romania and boxer Misha Aloian of Russia. Did not start Athletes who were selected for the Games, but provisionally suspended before competing. Name Country Sport Banned substance Details of test Sergey Fedorovtsev Russia Rowing Men 's quadruple sculls Trimetazidine Disqualified from competing at the 2016 Olympics after a positive out - of - competition drug test. Silvia Danekova Bulgaria Athletics Steeplechase EPO Provisionally suspended after a failed A-sample test given a few days after arriving in Brazil. Theodora Giareni Greece Swimming 50 metre freestyle Sent home from the Olympics on the day of the opening ceremony after failing a pre-games test conducted in July. Antonis Martasidis Cyprus Weightlifting 85 kg Sent home from the Olympics after failing a pre-games test conducted on 25 July. Michael O'Reilly Ireland Boxing Middleweight not disclosed O'Reilly admitted to taking a dietary supplement given to him by someone unrelated to his team or association. Narsingh Pancham Yadav India Wrestling Freestyle 74 kg Methandienone Originally cleared to compete by the National Anti-doping Agency of India after failed tests on 25 June and 5 July. Appeal by WADA was upheld by CAS on 18 August, with a 4 years suspension handed down. Adrian Zieliński Poland Weightlifting 94 kg Nandrolone Tomasz Zieliński Poland Weightlifting 94 kg Nandrolone Sent home from the Olympics after failing a test conducted at the Polish Championships in July. Winter Olympic Games 1968 grenoble Main article : 1968 Winter Olympics No athletes were caught doping at these Games. 1972 Sapporo Main article : 1972 Winter Olympics Name Country Sport Banned substance Medals Alois Schloder West Germany Ice hockey Ephedrine 1976 innsbruck Main article : 1976 Winter Olympics Name Country Sport Anti-doping rule violation Medals Ref. Galina Kulakova Soviet Union Cross-country skiing Ephedrine 03 ! ( 5 km ) Frantisek Pospisil Czechoslovakia Ice hockey Codeine, Morphine Dr. Otto Trefny Czechoslovakia Ice hockey Administration of prohibited substances to Frantisek Pospisil. Banned from the Olympic Games for life. 1980 lake placid Main article : 1980 Winter Olympics No athletes were caught using performance - enhancing drugs at these Games. 1984 Sarajevo Main article : 1984 Winter Olympics The Finnish cross-country skier Aki Karvonen admitted in 1994 that he 'd had blood transfusions for the Sarajevo Games. Blood transfusions were n't formally banned by IOC until 1986. Karvonen won a silver and two bronze at the games. Name Country Sport Banned substance Medals Pürevjavyn Batsükh Mongolia Cross-country skiing Methandienone 1988 Calgary Main article : 1988 Winter Olympics Name Country Sport Banned substance Medals Jaroslaw Morawiecki Poland Ice hockey Testosterone 1992 albertville Main article : 1992 Winter Olympics No athletes were caught using performance - enhancing drugs at these Games. The Russian biathlete Sergei Tarasov admitted in 2015 that the Russian biathlon team had carried out illegal blood transfusions at the Games. Something went very wrong with his transfusion, and he was rushed to the hospital where they saved his life. 1994 Lillehammer Main article : 1994 Winter Olympics No athletes were caught using performance - enhancing drugs at these Games 1998 nagano Main article : 1998 Winter Olympics No athletes were caught using performance - enhancing drugs at these games. The Canadian snowboarder Ross Rebagliati, winner of the men 's giant slalom, was initially disqualified and stripped of his gold medal by the International Olympic Committee 's Executive Board after testing positive for marijuana. Marijuana was not then on the list of prohibited substances by the IOC, and their decision was reversed by the Court of Arbitration for Sport and Rebagliati 's medal reinstated. 2002 salt lake city Main article : 2002 Winter Olympics Name Country Sport Banned substance Medals Natalia Baranova - Masalkina Russia Cross-country skiing WADA pre-Games test : EPO Alain Baxter Great Britain Alpine skiing Methamphetamine 03 ! ( slalom ) Olga Danilova Russia Cross-country skiing Darbepoetin 01 ! ( 10 km pursuit ), 02 ! ( 10 km ) Larisa Lazutina Russia Cross-country skiing Darbepoetin 01 ! ( 30 km ), 01 ! ( 10 km ), 02 ! ( 15 km freestyle ) Marc Mayer Austria Cross-country skiing Possession of blood - transfusion equipment Walter Mayer Austria Cross-country skiing / Biathlon Austrian cross-country / biathlon team coach, performed blood transfusions on Marc Mayer and Achim Walcher. Johann Mühlegg Spain Cross-country skiing Darbepoetin 01 ! ( 50 km ), 01 ! ( 30 km freestyle ), 01 ! ( 20 km pursuit ) Volker Müller Austria Cross-country skiing / Biathlon German chiropractor working for the Austrian cross-country / biathlon team, involved in the blood transfusions on Marc Mayer and Achim Walcher. Vasily Pankov Belarus Ice hockey Nandrolone Achim Walcher Austria Cross-country skiing Possession of blood - transfusion equipment 2006 Turin Main article : 2006 Winter Olympics On 25 April 2007, six Austrian athletes were banned for life from the Olympics for their involvement in a doping scandal at the 2006 Turin Olympics, the first time the IOC punished athletes without a positive or missed doping test. The Austrians were found guilty of possessing doping substances and taking part in a conspiracy, based on materials seized by Italian police during a raid on the athletes ' living quarters. The Austrians also had their competition results from Turin annulled. A seventh athlete, cross-country skier Christian Hoffmann, had his case referred to the International Ski Federation for further investigation, but IOC charges were dismissed. The IOC has retested nearly 500 doping samples that were collected at the 2006 Turin Games. In 2014, the Estonian Olympic Committee was notified by the IOC that a retested sample from cross-country skier Kristina Šmigun had tested positive. On 24 October 2016, the World Anti-Doping Agency Athletes ' Commission stated that Šmigun, who won two gold medals at the Turin Games, faces a Court of Arbitration for Sport hearing before the end of October. If Šmigun were to be stripped of her gold medals, Kateřina Neumannová of Czech Republic could be elevated to gold in the 7.5 + 7.5 km double pursuit event. Marit Bjørgen of Norway could acquire a seventh gold medal in the 10 km classical event. Did not start On 13 February 2006, the Brazilian Olympic Committee announced that Armando dos Santos ' preventive antidoping test, which had been done in Brazil on 4 January 2006, was positive for the forbidden substance nandrolone. Santos was ejected from the team, being replaced by former sprinter Claudinei Quirino, the team 's substitute athlete. Name Country Sport Banned substance Medals Armando dos Santos Brazil Bobsleigh nandrolone Disqualified during the Games Name Country Sport Banned substance Medals Olga Pyleva Russia Biathlon Carphedon 02 ! ( 15 km ) Disqualified after the Games Name Country Sport Banned substance Medals Roland Diethard Austria Cross-country skiing Possession of a prohibited substance or method Johannes Eder Austria Cross-country skiing Possession and use or attempted use of a prohibited substance or method Wolfgang Perner Austria Biathlon Possession of a prohibited substance or method Jürgen Pinter Austria Cross-country skiing Possession of a prohibited substance or method Wolfgang Rottmann Austria Biathlon Possession of a prohibited substance or method Martin Tauber Austria Cross-country skiing Possession of a prohibited substance or method 2010 Vancouver Main article : 2010 Winter Olympics On 23 December 2016, the IOC stated that it will re-analyse all samples from Russian athletes at the Olympic Winter Games of Vancouver 2010. In October 2017, the IOC stated that one sole athlete was caught from retests of doping samples from the Vancouver 2010 Winter Olympic Games. Biathlete Teja Gregorin was confirmed as this athlete by the International Biathlon Union. A total of 1195 samples from Vancouver 2010 ( 70 % of the 1700 available ) were reanalyzed. This included all medalists and all of the 170 Russian athletes. The IOC requested all Russian samples from the 2010 Games be retested after the publication of the McLaren Report. Russia 's disappointing performance at Vancouver ( 11th in gold medal table with a total of 3 golds ) is cited as the reason behind the implementation of a doping scheme alleged to have been in operation at major events such as the 2014 Games at Sochi. Did not start Name Country Sport Banned substance Medals Details of test Albina Akhatova Russia Biathlon Erythropoietin Ekaterina Iourieva Russia Biathlon Erythropoietin Dmitri Yaroshenko Russia Biathlon Erythropoietin Natalya Matveyeva Russia Cross-country skiing Erythropoietin Disqualified after the Games Name Country Sport Banned substance Medals Details of test Kornelia Marek Poland Cross-country skiing Erythropoietin Teja Gregorin Slovenia Biathlon Women 's Individual Women 's Sprint Women 's Pursuit Women 's Mass Start Women 's Relay GHRP - 2 & Metabolite IOC re-analysis of sample in 2017 2014 Sochi Main articles : 2014 Winter Olympics and Doping in Russia According to the director of the country 's antidoping laboratory at the time, Grigory Rodchenkov, dozens of Russian athletes at the 2014 Winter Olympics in Sochi, including at least 15 medal winners, were part of a state - run doping program, meticulously planned for years to ensure dominance at the Games. In December 2016, following the release of the McLaren report on Russian doping at the Sochi Olympics, the International Olympic Committee announced the initiation of an investigation of 28 Russian athletes ( the number later rose to 46 ) at the Sochi Olympic Games. La Gazzetta dello Sport reported the names of 17 athletes, of whom 15 are among the 28 under investigation. Three female figure skaters were named as being under investigation. They are Adelina Sotnikova, the singles gold medalist, as well as pairs skaters Tatiana Volosozhar and Ksenia Stolbova. Volosozhar and Stolbova won gold and silver medals, respectively, in pairs skating. Both also won gold medals in the team event, which also puts the other eight team medalists at risk of losing their golds. In November 2017 the proceeding against Sotnikova was dropped. Six cross-country skiers were suspended from competition on the basis of the McLaren Report : Evgeniy Belov, Alexander Legkov, Alexey Petukhov, Maxim Vylegzhanin, Yulia Ivanova and Evgenia Shapovalova. Legkov won a gold and silver medals, and Vylegzhanin won three silver medals. The IOC disqualified all six from Sochi, imposed lifetime bans and, in the process, stripped Legkov 's and Vylegzhanin 's of the medals they had won in four events ( three individual medals and one team medal ). Nikita Kryukov, Alexander Bessmertnykh and Natalya Matveyeva were also disqualified on December 22, 2017. The International Biathlon Union suspended two Russian biathletes who were in the Sochi games : Olga Vilukhina and Yana Romanova. Vilukhina won silver in sprint, and both women were on a relay team that won the silver medal. They were disqualified and stripped of their medals on 27 November 2017. The International Bobsleigh and Skeleton Federation suspended four Russian skeleton sliders. They were Alexander Tretyakov, Elena Nikitina, Maria Orlova and Olga Potylitsina. Tretyakov won a gold medal, and Nikitina won a bronze. On November 22, 2017, the IOC stripped these medals and imposed lifetime Olympic bans on all four. Skeleton racer Sergei Chudinov was sanctioned on 28 November 2017. Seven Russian female ice hockey players were to have hearings before the Oswald Commission on November 22, 2017. Two of the seven were accused of submitting samples showing readings that were physically impossible to be held by a woman. The Russian women 's ice hockey team finished sixth at Sochi 2014. On December 12, 2017, six of them were disqualified. Tatiana Burina and Anna Shukina were also disqualified ten days later. On November, 24 2017, the IOC imposed life bans on bobsledder Alexandr Zubkov and speed skater Olga Fatkulina who won a combined 3 medals ( 2 gold, 1 silver ). All their results were disqualified, meaning that Russia lost its first place in the medal standings. Bobsledders Aleksei Negodaylo and Dmitry Trunenkov were disqualified 3 days later. 3 other Russian athletes who did n't win medals were banned on 29 November 2017. Biathlete Olga Zaitseva and 2 other Russian athletes were banned on December 1, 2017. Bobsledder Alexey Voyevoda who had been already stripped of his gold medals due to the anti-doping violations committed by his teammates was sanctioned on December 18, 2017. Speed skaters Ivan Skobrev and Artyom Kuznetsov, lugers Albert Demchenko and Tatiana Ivanova, bobsledders Liudmila Udobkina and Maxim Belugin were disqualified on December 22, 2017, bringing the total to 43. Demchenko and Tatiana Ivanova were also stripped of their silver medals. Name Country Sport Banned substance Medals Details of test Nicklas Bäckström Sweden Ice hockey Pseudoephedrine 02 ! Awarded despite the doping violation. Johannes Dürr Austria Cross-country skiing Erythropoietin Ralfs Freibergs Latvia Ice hockey Dehydrochloromethyltestosterone William Frullani Italy Bobsleigh Methylhexanamine Marina Lisogor Ukraine Cross-country skiing Trimetazidine Alexandr Loginov Russia Biathlon EPO Positive after IBU re-tested sample from 26 November 2013. All results from that date onwards annulled. Irina Starykh Russia Biathlon EPO Tested positive for EPO in an out - of - competition test conducted Dec. 23, 2013. Withdrawn prior to competition. Starykh has been banned for 2 years. Ekaterina Iourieva Russia Biathlon EPO In January 2014, she was reported to fail the doping test again. Withdrawn prior to competition. On July 14, 2014 Iourieva was disqualified for eight years, and all her results after December 23, 2013, were made void. Vitalijs Pavlovs Latvia Ice hockey Methylhexanamine Evi Sachenbacher - Stehle Germany Biathlon Methylhexanamine Serguei Sednev Ukraine Biathlon EPO Positive after IBU re-tested sample from 22 January 2013. All results from that date onwards annulled. Daniel Zalewski Poland Bobsleigh Stimulant Alexander Legkov Russia Cross-Country Skiing 50km Freestyle 4 x 10km Cross Country 30km Skiathlon Disappearing sample 01 ! ( 50km Freestyle ) 02 ! ( 4 x 10km Relay ) IOC sanction imposed in 2017 Evgeniy Belov Russia Cross-Country Skiing 30km Skiathlon 15km Classical Disappearing Sample IOC sanction imposed in 2017 Maksim Vylegzhanin Russia Cross-Country Skiing 50km Freestyle 30km Skiathlon 4 × 10km Relay Team Sprint Disappearing Sample 02 ! ( 50km Freestyle ) 02 ! ( Team Sprint ) 02 ! ( 4 x 10km Relay ) IOC sanction imposed in 2017 Evgenia Shapovalova Russia Cross-Country Skiing Sprint Disappearing Sample IOC sanction imposed in 2017 Alexei Petukhov Russia Cross-Country Skiing Sprint Disappearing Sample IOC sanction imposed in 2017 Yulia Ivanova Russia Cross-Country Skiing 10km Classical Team Sprint 4 x 5km Relay 30km Freestyle Disappearing Sample IOC sanction imposed in 2017 Aleksandr Tretyakov Russia Skeleton Men 's Disappearing Sample 01 ! IOC sanction imposed in 2017 Elena Nikitina Russia Skeleton Women 's Disappearing Sample 03 ! IOC sanction imposed in 2017 Olga Potylitsina Russia Skeleton Women 's Disappearing Sample IOC sanction imposed in 2017 Maria Orlova Russia Skeleton Women 's Disappearing Sample IOC sanction imposed in 2017 Olga Stulneva Russia Bobsleigh Two - woman Disappearing Sample IOC sanction imposed in 2017 Alexandr Zubkov Russia Bobsleigh Two - man Four - man Disappearing Sample 01 ! 01 ! IOC sanction imposed in 2017 Olga Fatkulina Russia Speed skating Women 's 500 metres Disappearing Sample 02 ! IOC sanction imposed in 2017 Aleksandr Rumyantsev Russia Speed skating Men 's 5000 metres Men 's team pursuit Disappearing Sample IOC sanction imposed in 2017 Aleksei Negodaylo Russia Bobsleigh Four - Man Disappearing Sample 01 ! IOC sanction imposed in 2017 Dmitry Trunenkov Russia Bobsleigh Four - Man Disappearing Sample 01 ! IOC sanction imposed in 2017 Olga Vilukhina Russia Biathlon Women 's sprint Women 's pursuit Women 's mass start Mixed relay Women 's relay Disappearing Sample 02 ! 02 ! IOC sanction imposed in 2017 Yana Romanova Russia Biathlon Women 's sprint Women 's pursuit Women 's individual Women 's relay Disappearing Sample 02 ! IOC sanction imposed in 2017 Sergei Chudinov Russia Skeleton Men 's Disappearing Sample IOC sanction imposed in 2017 Alexander Kasjanov Russia Bobsleigh Four - man Two - man Disappearing Sample IOC sanction imposed in 2017 Aleksei Pushkarev Russia Bobsleigh Four - man Disappearing Sample IOC sanction imposed in 2017 Ilvir Huzin Russia Bobsleigh Four - man Disappearing Sample IOC sanction imposed in 2017 Yuliya Chekalyova Russia Cross-Country Skiing Women 's 15 kilometre skiathlon Women 's 10 kilometre classical Women 's 4 × 5 kilometre relay Women 's 30 kilometre freestyle Disappearing Sample IOC sanction imposed in 2017 Anastasia Dotsenko Russia Cross-Country Skiing Women 's sprint Women 's team sprint Disappearing Sample IOC sanction imposed in 2017 Olga Zaitseva Russia Biathlon Women 's sprint Women 's pursuit Women 's individual Women 's mass start Women 's relay Mixed relay Disappearing Sample 02 ! IOC sanction imposed in 2017 Inna Dyubanok Russia Ice hockey Women 's tournament Disappearing Sample IOC sanction imposed in 2017 Yekaterina Lebedeva Russia Ice hockey Women 's tournament Disappearing Sample IOC sanction imposed in 2017 Yekaterina Pashkevich Russia Ice hockey Women 's tournament Disappearing Sample IOC sanction imposed in 2017 Anna Shibanova Russia Ice hockey Women 's tournament Disappearing Sample IOC sanction imposed in 2017 Yekaterina Smolentseva Russia Ice hockey Women 's tournament Disappearing Sample IOC sanction imposed in 2017 Galina Skiba Russia Ice hockey Women 's tournament Disappearing Sample IOC sanction imposed in 2017 Alexey Voyevoda Russia Bobsleigh Bobsleigh, Two - Man Bobsleigh, Four - Man Disappearing Sample 01 ! 01 ! IOC sanction imposed in 2017 Albert Demchenko Russia Luge Luge, Men 's singles Luge, Team relay Disappearing Sample 02 ! 02 ! IOC sanction imposed in 2017 Tatiana Ivanova Russia Luge Luge, Women 's singles Luge, Team relay Disappearing Sample 02 ! IOC sanction imposed in 2017 Ivan Skobrev Russia Speed skating Disappearing Sample IOC sanction imposed in 2017 Artyom Kuznetsov Russia Speed skating Disappearing Sample IOC sanction imposed in 2017 Liudmila Udobkina Russia Bobsleigh Disappearing Sample IOC sanction imposed in 2017 Maxim Belugin Russia Bobsleigh Disappearing Sample IOC sanction imposed in 2017 Tatiana Burina Russia Ice hockey Women 's tournament Disappearing Sample IOC sanction imposed in 2017 Anna Shukina Russia Ice hockey Women 's tournament Disappearing Sample IOC sanction imposed in 2017 Nikita Kryukov Russia Cross-country skiing Disappearing Sample IOC sanction imposed in 2017 Alexander Bessmertnykh Russia Cross-country skiing Disappearing Sample IOC sanction imposed in 2017 Natalya Matveyeva Russia Cross-country skiing Disappearing Sample IOC sanction imposed in 2017 See also List of sporting scandals List of stripped Olympic medals List of doping cases in sport World Anti-Doping Agency Technology doping References ^ Jump up to : Gibson, Candace. `` How the First Olympics Worked ''. Discovery Communications. Retrieved 2009 - 01 - 05. Jump up ^ Lovgren, Stefan. `` Ancient Olympics mixed Naked Sports, Pagan Partying ''. National Geographic Society. Retrieved 2009 - 01 - 05. Jump up ^ `` Tom Hicks ''. Sports-reference.com. Retrieved 2008 - 08 - 27. Jump up ^ `` A Brief History of Anti-Doping ''. World Anti-Doping Agency. Retrieved 2008 - 09 - 10. Jump up ^ Maraniss, David ( 2008 ). Rome 1960. New York : Simon & Schuster. ISBN 1 - 4165 - 3407 - 5. Jump up ^ Begley, Sharon ( 7 January 2008 ). `` The Drug Charade ''. Newsweek. Retrieved 2008 - 08 - 27. Jump up ^ `` Hans - Gunnar Liljenwall ''. 123explore.com. Retrieved 2008 - 08 - 28. Jump up ^ Brennan, Christine ( 14 July 2004 ). `` Babashoff had Mettle to Speak out about Steroids ''. USA Today. Retrieved 2008 - 08 - 28. Jump up ^ Longman, Jere ( 22 April 2001 ). `` Just Following Orders, Doctors ' Orders ''. The New York Times. Retrieved 2008 - 08 - 28. Jump up ^ `` Sports Doping Statistics Reach Plateau in Germany ''. Deutsche Welle. 26 February 2006. Retrieved 2008 - 08 - 28. ^ Jump up to : Hunt, Thomas M. ( 2011 ). Drug Games : The International Olympic Committee and the Politics of Doping. University of Texas Press. p. 66. ISBN 0292739575. ^ Jump up to : Ruiz, Rebecca R. ( 13 August 2016 ). `` The Soviet Doping Plan : Document Reveals Illicit Approach to ' 84 Olympics ''. The New York Times. ISSN 0362 - 4331. Retrieved 2016 - 09 - 03. Jump up ^ Magnay, Jacquelin ( 18 April 2003 ). `` Carl Lewis 's positive test covered up ''. The Sydney Morning Herald. Retrieved 2008 - 08 - 28. Jump up ^ Coile, Zachary ( 27 April 2005 ). `` Bill Seeks to Toughen Drug Testing in Pro Sports ''. San Francisco Chronicle. Retrieved 2008 - 09 - 03. Jump up ^ `` Doping : 3667 athletes tested, IOC seeks action against Halkia 's coach ''. Express India Newspapers. 19 August 2008. Retrieved 2008 - 08 - 28. Jump up ^ `` A Brief History of Anti-Doping ''. World Anti-Doping Agency. Retrieved 2008 - 08 - 28. ^ Jump up to : Mottram, David R. ( 30 March 2011 ). Drugs in Sport. Taylor & Francis. pp. 21 --. ISBN 978 - 0 - 415 - 55086 - 4. Retrieved 19 July 2012. ^ Jump up to : Associated Press ( January 30, 2001 ). `` Better late than never ''. sportsillustrated.cnn.com. Archived from the original on May 7, 2001. ^ Jump up to : Dubin, Charles S. ( 1990 ). Commission of Inquiry into the Use of Drugs and Banned Practices Intended to Increase Athletic Performance ( part 2, page 214 - 430 ) ( PDF ). Ottawa : Government of Canada Publications. ISBN 0 - 660 - 13610 - 4. Jump up ^ Olympics ban settles doping row, New Straits Times, 2 September 1972 ^ Jump up to : Butler, Mark ( 2015 ). `` Doping violations Olympic Athletics ''. IAAF World Championships Beijing 2015 Statistics Handbook. Monaco : IAAF. pp. 419 -- 420. ^ Jump up to : Thomas Mitchell Hunt ( 2007 ). Drug Games : The International Politics of Doping and the Olympic Movement, 1960 -- 2007. ProQuest. pp. 95 --. ISBN 978 - 0 - 549 - 16219 - 3. Retrieved 20 July 2012. Jump up ^ Wilson, Wayne ( Ph. D. ) ; Derse, Ed ( 2001 ). Doping in Élite Sport : The Politics of Drugs in the Olympic Movement. Human Kinetics. pp. 77 --. ISBN 978 - 0 - 7360 - 0329 - 2. Retrieved 19 July 2012. Jump up ^ Sytkowski, Arthur J. ( May 2006 ). Erythropoietin : Blood, Brain and Beyond. John Wiley & Sons. pp. 187 --. ISBN 978 - 3 - 527 - 60543 - 9. Retrieved 19 July 2012. ^ Jump up to : Steven B. Kayne ( 2006 ). Sport And Exercise Medicine For Pharmacists. Pharmaceutical Press. pp. 232 --. ISBN 978 - 0 - 85369 - 600 - 1. Retrieved 19 July 2012. ^ Jump up to : Doping Cases Involve Two Athletes, philly.com, 16 July 1996 Jump up ^ `` I feel like I 've been in jail '' Farmer - Patrick adamant, Lawrence Journal - World, 4 June 1997 Jump up ^ Olympic Medalist seeks help, Manila Standard, 21 December 1997 Jump up ^ Gold medalist banned, Eugene Register - Guard, 15 October 1997 ^ Jump up to : Olympic News, Sports Library Jump up ^ `` Corrections ''. The New York Times. 1 August 2006. Retrieved 2010 - 05 - 08. Jump up ^ Olympic doping 's list of shame, news24.com, 24 August 2004 Jump up ^ Stephen Wilson, Associated Press : IOC Official Says Bromantan Produced by Russian Army, AP News Archive, 31 July 1996 Jump up ^ Pat Butcher : Bromantan is Russians ' ' rocket fuel ', The Independent, 3 August 1996 Jump up ^ ATLANTA : DAY 12 -- NOTEBOOK ; Three Ejected for Drug Use, The New York Times, 31 July 1996 Jump up ^ Arbitrators Reinstate Russians and British Swimmer May Sue, LA Times, 5 August 1996 Jump up ^ Burnat, P ; Payen, A ; Le Brumant - Payen, C ; Hugon, M ; Ceppa, F ( 1997 ). `` Bromontan, a new doping agent ''. Lancet. 350 ( 9082 ) : 963 -- 4. doi : 10.1016 / s0140 - 6736 ( 05 ) 63310 - 7. PMID 9314900. Jump up ^ Special Court overturns IOC decisions vs. Russians, Manila Standard, 6 August 1996 Jump up ^ Matt Tabbi : Russians Fume as 3rd Olympian Disqualified, The Moscow Times, 31 July 1996 Jump up ^ Russians Want a Drug Lifted From Banned List, The New York Times, 1 August 1996 Jump up ^ Russian Is Ousted for Banned Drug, LA Times, 2 August 1996 Jump up ^ Reprieve for McMahon as IOC take lenient line, The Irish Times, 2 August 1996 Jump up ^ Lynn Zinser : Montgomery Admits Using Drugs Before Games, The New York Times, 25 November 2005 Jump up ^ IOC ready to investigate Montgomery 's doping, teamusa.org, 24 November 2008 Jump up ^ rediff.com : Roll of dishonour. Rediff ( 30 September 2000 ). Retrieved on 8 September 2015 Jump up ^ Associated Press ( 26 September 2000 ). `` Raducan tests positive for stimulant ''. ESPN. ^ Jump up to : IOC : ANTI-DOPING RULES PROCEDURES & VIOLATIONS AT THE ATHENS 2004 OLYMPIC GAMES Jump up ^ IOC : INTERNATIONAL OLYMPIC COMMITTEE IOC DISCIPLINARY COMMISSION RECOMMENDATIONS REGARDING YURIY BILONOG BORN ON 9 MARCH 1974, ATHLETE, UKRAINE, ATHLETICS ^ Jump up to : IOC : IOC disqualifies four medallists from Athens 2004 following further analysis of stored samples, olympic.org, 5 December 2012 ^ Jump up to : Tom Wer : Two Greek baseball players barred after doping test, USA Today, 9 August 2004 Jump up ^ USADA : U.S. Track Athlete, Crystal Cox, Accepts Four - Year Suspension From USADA, usada.org, 29 January 2010 ^ Jump up to : `` Athletes Sanctioned for a Doping Offence Committed During 2004 '' ( PDF ). iaaf.org via web.archive.org. IAAF. Archived from the original ( PDF ) on 15 August 2012. Retrieved 4 February 2015. Jump up ^ INTERNATIONAL OLYMPIC COMMITTEE IOC EXECUTIVE BOARD DECISION REGARDING MR TYLER HAMILTON BORN ON 1 MARCH 1971, ATHLETE, UNITED STATES OF AMERICA, CYCLING Jump up ^ INTERNATIONAL OLYMPIC COMMITTEE IOC DISCIPLINARY COMMISSION RECOMMENDATIONS REGARDING SVETLANA KRIVELYOVA BORN ON 13 JUNE 1969, ATHLETE, RUSSIA, ATHLETICS Jump up ^ IOC Executive Board Decision Regarding Svetlana Krivelyova born on 13 June 1969, Athlete, Russia, Athletics Jump up ^ INTERNATIONAL OLYMPIC COMMITTEE IOC DISCIPLINARY COMMISSION RECOMMENDATIONS REGARDING OLEG PEREPETCHENOV BORN ON 6 SEPTEMBER 1975, ATHLETE, RUSSIA, WEIGHTLIFTING Jump up ^ Karolos Grochmann : Russian weightlifter stripped of Athens bronze medal, thestar.com.my, 13 February 2013 ^ Jump up to : `` Beijing Faces Big Challenge in Keeping Olympics Drug - Free ''. Deutsche Welle. 8 March 2008. ^ Jump up to : McGrath, Matt ( 21 July 2008 ). `` Concerns over Olympic drug test ''. BBC. Jump up ^ KNA ; Reuters ( 23 August 2008 ). `` Ukrainischer Gewichtheber Razoronov positiv getestet ''. Der Spiegel. Jump up ^ `` Elvan Abeylegesse tests positive ''. Turkish Athletics. 13 August 2015. Archived from the original on 16 August 2015. Retrieved 13 August 2015. ^ Jump up to : IAAF March 2017 Newsletter Jump up ^ Competitors return positive drugs tests Jump up ^ International Weightlifting Federation ( 18 June 2016 ). `` PUBLIC DISCLOSURES ''. Retrieved 2016 - 10 - 07. ^ Jump up to : Associated Press ( 23 November 2016 ). `` Kazakh weightlifter Ilya Ilyin stripped of 2 Olympic gold medals ''. ESPN.com. Retrieved 2016 - 11 - 24. The Kazakhstan Olympic Committee said in a statement that it has received formal notification from the International Olympic Committee stripping Ilyin of the gold medals he won in 2008 and 2012, both in the 94 - kilogram class. Jump up ^ IOC sanctions Turkish weightlifter for failing anti-doping test at Beijing 2008 Jump up ^ ( 1 ) Jump up ^ ( 2 ) Jump up ^ Russia stripped of 4 × 100 gold medal from 2008 Olympics because of doping Jump up ^ IOC sanctions Yulia Chermoshanskaya for failing anti-doping test at Beijing 2008 Jump up ^ IOC sanctions three athletes for failing anti-doping tests at Beijing 2008 Jump up ^ Allen, Scott ( 19 August 2016 ). `` IOC strips Russia of another 2008 track and field medal for doping violations ''. Washington Post. Retrieved 2016 - 08 - 20. Jump up ^ Public disclosures ^ Jump up to : `` Wrestling Legends Besik Kudukhov & Artur Taymazov Stripped Of Olympic Medals ''. FloWrestling.Org. Retrieved 30 August 2016. ^ Jump up to : `` IOC sanctions six athletes for failing anti-doping tests at Beijing 2008 ''. olympic.org. IOC. Archived from the original on 31 August 2016. Retrieved 1 September 2016. Jump up ^ https://www.olympic.org/news/ioc-sanctions-two-athletes-for-failing-anti-doping-tests-at-beijing-2008 ^ Jump up to : https://www.olympic.org/news/ioc-sanctions-four-athletes-for-failing-anti-doping-tests-at-beijing-2008-and-london-2012-1 Jump up ^ `` Another Olympic Medal Stripped, Fedoryshyn Of Ukraine Loses Medal ''. FloWrestling.Org. Retrieved 2016 - 10 - 11. Jump up ^ https://www.olympic.org/news/ioc-sanctions-anna-chicherova-for-failing-anti-doping-test-at-beijing-2008 ^ Jump up to : `` Anti-Doping News ''. International Weightlifting Federation. Retrieved 2016 - 10 - 10. ^ Jump up to : `` IOC Sanctions Nine Athletes for Failing Anti-Doping Test at Beijing 2008 ''. International Olympic Committee. 26 Oct 2016. Retrieved 2017 - 11 - 15. ^ Jump up to : `` IOC Sanctions 16 Athletes for Failing Anti-Doping Tests at Beijing 2008 ''. International Olympic Committee. 26 Nov 2016. 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Retrieved 2017 - 03 - 01. Jump up ^ `` Blonska stripped of silver medal ''. BBC Sport. 22 August 2008. ^ Jump up to : IAAF : Athletes currently ineligible to compete in Athletics following an Anti-Doping Rule Violation, iaaf.org, 14 January 2015 ^ Jump up to : IAAF : Andrei MIKHNEVICH ( BLR ) -- results annulled from August 2005, iaaf.org, 31 July 2013 Jump up ^ IOC : IOC Latest News Olympic Highlights, olympic.org Jump up ^ `` Ukrainian lifter fails dope test ''. BBC Sport. 23 August 2008. ^ Jump up to : Wilson, Stephen ( 8 July 2009 ). `` Backup samples positive for 5 Olympians ''. Associated Press. Jump up ^ IOC : IOC sanctions Yulia Chermoshanskaya for failing anti-doping test at Beijing 2008 ^ Jump up to : `` IOC sanctions three athletes for failing anti-doping tests at Beijing 2008 ''. olympic.org. IOC. Archived from the original on 20 August 2016. 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Reuters. 16 August 2008. Retrieved 2011 - 12 - 30. Jump up ^ `` Greek champion fails drugs test ''. BBC News. 17 August 2008. Retrieved 2012 - 02 - 13. Jump up ^ `` Greek champion fails drugs test ''. BBC Sport. 17 August 2008. Jump up ^ `` Spanish cyclist Moreno tests positive for EPO ''. guardian.co.uk. 11 August 2008. ^ Jump up to : `` Seven Russians handed doping bans ''. BBC Sport. BBC. 2008 - 10 - 20. Retrieved 2009 - 05 - 27. ^ Jump up to : `` London 2012 : All medallists to be drugs tested at Olympics ''. BBC News Online. 15 July 2012. Retrieved 2012 - 07 - 28. Jump up ^ Grohmann, Karolos ( 24 July 2012 ). `` Testers nab more than 100 athletes - WADA ''. Reuters. Retrieved 2012 - 08 - 04. Jump up ^ `` Testing during Games - time ''. UKAD. Retrieved 2012 - 08 - 04. Jump up ^ `` Olympics shot put : Carl Myerscough out of London 2012 ''. BBC News Online. 3 August 2012. Retrieved 2012 - 08 - 04. Jump up ^ Macur, Rebecca R. Ruiz, Juliet ; Austen, Ian ( 2016 - 06 - 15 ). `` Even With Confession of Cheating, World 's Doping Watchdog Did Nothing ''. The New York Times. ISSN 0362 - 4331. Retrieved 2016 - 06 - 15. Jump up ^ Fyodorov, Gennady ( 30 April 2013 ). `` Pishchalnikova given 10 - year doping ban ''. Reuters. Retrieved 30 April 2013. Jump up ^ `` Road race winner Alexander Vinokourov considers retiring ''. BBC News Online. 28 July 2012. Retrieved 2012 - 07 - 28. Jump up ^ `` Women 's Discus Throw ''. London2012.com. 4 August 2012. Retrieved 4 August 2012. Jump up ^ Phillips, Mitch ( 10 July 2012 ). `` Gold medals tainted by time - served dopers ''. Reuters. Retrieved 2012 - 07 - 12. ^ Jump up to : `` Doping back in spotlight with new cases, past offenders ''. Reuters. 4 August 2012. Retrieved 2012 - 08 - 04. Jump up ^ `` Jamaicans given three - month ban ''. BBC News Online. 14 September 2009. Retrieved 2012 - 08 - 12. Jump up ^ `` Ángel Mullera habría consumido EPO para lograr la clasificación para los Juegos de Londres ''. Cadenaser.com. 19 July 2012. Retrieved 5 August 2012. Jump up ^ `` Ángel Mullera correrá definitivamente los 3.000 obstáculos ''. ABC.es. 3 August 2012. Retrieved 5 August 2012. Jump up ^ Debbie Dunn withdraws from Olympics after positive drugs test. The Guardian ( 14 July 2012 ). Retrieved on 2012 - 08 - 13. Jump up ^ London 2012 : Two more athletes withdrawn over anti-doping tests. The Guardian ( 26 July 2012 ). Retrieved on 2012 - 08 - 13. Jump up ^ London 2012 : Selsouli to miss Games after failed drugs test. BBC Sport ( 25 July 2012 ). Retrieved on 2012 - 08 - 13. Jump up ^ London 2012 Olympics : Sprinter Tameka Williams sent home over drugs. Scotsman ( 30 July 2012 ). Retrieved on 2012 - 08 - 13. Jump up ^ Ivan Tsikhan tests positive. ESPN ( 3 August 2012 ). Retrieved on 2012 - 08 - 13. Jump up ^ London 2012 : Amine Laalou, Moroccan 1500m runner, fails doping test. The Guardian ( 3 August 2012 ). Retrieved on 2012 - 08 - 13. Jump up ^ Moldova hammer thrower tossed for doping test. Sports Illustrated ( 4 August 2012 ). Retrieved on 2012 - 08 - 13. Jump up ^ Olympics 400m : Colombian Diego Palomeque fails drugs test. BBC Sport ( 12 August 2012 ). Retrieved on 2012 - 08 - 13. Jump up ^ Anzolin, Elisa ( 8 August 2012 ). Athletics - Tearful Schwazer relieved by doping ban. Reuters. Retrieved on 2012 - 08 - 13. Jump up ^ London 2012 : Positive doping test for Syrian athlete Ghfran Almouhamad. The Guardian ( 11 August 2012 ). Retrieved on 2012 - 08 - 13. Jump up ^ Bryant, Tom ( 13 August 2012 ). Belarus shot putter Nadzeya Ostapchuk stripped of gold for doping. The Guardian. Retrieved on 2012 - 08 - 13. Jump up ^ Two Olympians banned over doping. Sky News Australia ( 19 December 2012 ) Retrieved on 2012 - 03 - 03 Jump up ^ Ruiz, Rebecca R. ( 9 November 2015 ). `` Drugs Pervade Sport in Russia, World Anti-Doping Agency Report Finds ''. The New York Times. Jump up ^ `` The Independent Commission Report # 1 '' ( PDF ). Independent Commission Investigation. 9 November 2015. Jump up ^ London 2012 : Four Olympic weightlifting champions test positive Jump up ^ `` Eleven London 2012 weightlifters fail doping tests ''. Reuters. 27 July 2016. Retrieved 8 August 2016. ^ Jump up to : https://www.olympic.org/news/ioc-sanctions-two-athletes-for-failing-anti-doping-test-at-london-2012 ^ Jump up to : `` IOC Sanctions Eight Athletes for Failing Anti-Doping Test at London 2012 ''. International Olympic Committee. 27 Oct 2016. Retrieved 2016 - 10 - 28. Jump up ^ `` IOC sanctions Ukrainian weightlifter Yulia Kalina for failing anti-doping test at London 2012 ''. International Olympic Committee. 13 July 2016. Retrieved 2016 - 07 - 13. ^ Jump up to : `` Results by Events ''. IWF. July 2016. Jump up ^ IOC sanctions four athletes for failing anti-doping tests Jump up ^ `` IOC strips Ukrainian athlete of 2012 javelin silver ''. Reuters. 9 August 2016. Jump up ^ IOC sanctions Evgeniia Kolodko for failing anti-doping test at London 2012 Jump up ^ `` IOC DISCIPLINARY COMMISSION DECISION REGARDING BESIK KUDUKHOV '' ( PDF ). International Olympic Committee. 27 October 2016. Retrieved 2016 - 10 - 27. Jump up ^ `` IWF Anti-Doping news ''. International Weightlifting Federation. 13 September 2016. Retrieved 2016 - 10 - 18. Jump up ^ International Weightlifting Federation ( 6 October 2016 ). `` PUBLIC DISCLOSURE ''. Retrieved 2016 - 10 - 06. Jump up ^ https://www.olympic.org/news/ioc-sanctions-tatyana-lysenko-for-failing-anti-doping-test-at-london-2012 Jump up ^ `` IOC sanctions two athletes for failing anti-doping test at London 2012 ''. International Olympic Committee. 18 October 2016. Retrieved 2016 - 10 - 18. Jump up ^ `` IOC sanctions 12 athletes for failing anti-doping test at London 2012 ''. International Olympic Committee. 21 November 2016. Retrieved 2016 - 11 - 21. Jump up ^ `` Russian heptathlete Chernova stripped of world title and Olympic bronze for doping ''. insidethegames. 29 November 2016. Retrieved 29 November 2016. Jump up ^ `` The Court of Arbitration for Sport ( CAS ) issues decisions in the cases of Tatyana Chernova, Ekaterina Sharmina and Kristina Ugarova '' ( PDF ). Court of Arbitration for Sport. 29 November 2016. Retrieved 2016 - 11 - 29. Jump up ^ `` IOC SANCTIONS THREE ATHLETES FOR FAILING ANTI-DOPING TEST AT LONDON 2012 ''. International Olympic Committee. 1 February 2017. Retrieved 2017 - 02 - 10. Jump up ^ http://www.telegraph.co.uk/sport/othersports/athletics/11272052/Russias-London-2012-800m-champion-caught-in-doping-storm.html Jump up ^ `` THE COURT OF ARBITRATION FOR SPORT ( CAS ) IMPOSES FOUR - YEAR PERIOD OF INELIGIBILITY ON RUSSIAN ATHLETE MARIYA SAVINOVA - FARNOSOVA '' ( PDF ). Court of Arbitration for Sport. 10 February 2017. Retrieved 2017 - 02 - 10. 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Retrieved 16 July 2014. ^ Jump up to : `` IAAF ATHLETICS STATISTICS BOOK Games of the XXXI Olympiad Rio de Janeiro 2016 ''. IAAF. pp. 32 -- 33. Archived from the original on 24 August 2016. Retrieved 24 August 2016. ^ Jump up to : `` MEDIA RELEASE ATHLETICS THE COURT OF ARBITRATION FOR SPORT ( CAS ) UPHOLDS SIX APPEALS FILED BY THE IAAF AGAINST RUSSIAN ATHLETES '' ( PDF ). The Court of Arbitration for Sport. Archived ( PDF ) from the original on 6 April 2016. Retrieved 24 August 2016. ^ Jump up to : `` Athletes currently suspended from all competitions in athletics following an Anti-Doping Rule Violation as at : 20.07. 16 ''. iaaf.org. IAAF. Archived from the original on 15 August 2016. Retrieved 19 August 2016. Jump up ^ CAS : MEDIA RELEASE ATHLETICS SETTLEMENT AGREEMENT IN THE CASE OF IAAF V. TURKISH ATHLETIC FEDERATION AND ASLI CAKIR - ALPTEKIN, tas-cas.org Jump up ^ Asli Cakir Alptekin banned : Eight - year suspension for London 2012 gold medallist, The Independent, 17 August 2015 Jump up ^ Associated Press ( 6 August 2012 ). `` U.S. judoka expelled from Olympics for cannabis ''. CBCSports.ca. Canadian Broadcasting Corporation. Retrieved 6 August 2012. Jump up ^ `` Tribunal Arbitral du Sport Court of Arbitration for Sport MEDIA RELEASE ATHLETICS -- ANTI-DOPING MARTA DOMINGUEZ BANNED FOR 3 YEARS BY THE COURT OF ARBITRATION FOR SPORT ( CAS ) '' ( PDF ). tas-cas.org. Court of Arbitration for Sport. 19 November 2015. Archived from the original ( PDF ) on 28 November 2015. Retrieved 28 November 2015. Jump up ^ Associated Press : Qatari middle - distance runner given two - year doping ban, Washington Post, 24 February 2015 Jump up ^ IAAF : Positive cases in athletics Sanctioned according to information received by the IAAF as of 20 February 2015 Jump up ^ USADA : US Track & Field Athlete, Gay, Accepts Sanction For Anti-Doping Rule Violation, usada.org, 2 May 2014 Jump up ^ USADA : AAA Panel Imposes Eight - Year Ban For US Track & Field Coach, Drummond, For Multiple Anti-Doping Rule Violations, usada.org, 14 December 2014 Jump up ^ Associated Press : IOC Strips US of Relay Medals in Gay Doping Case, abcnews.com, 13 May 2015 Jump up ^ IAAF Newsletter Edition 148 - 3 December 2013 Jump up ^ `` Hackett_positive ''. trinidadexpress.com. Retrieved 2014 - 05 - 02. Jump up ^ `` Doping sanctions - News 154 Positive cases in athletics Sanctioned according to information received by the IAAF as of 26 June 2014 ''. iaaf.org. IAAF. 30 July 2014. Retrieved 1 August 2014. Jump up ^ `` London 2012 : French athlete Hassan Hirt sent home over ' positive test ' ''. Guardian. 10 August 2012. Retrieved 2012 - 08 - 12. Jump up ^ Ändrade resultatlistor, friidrott.se 2 October 2014 Jump up ^ IAAF : Doping sanctins News 156 Jump up ^ UCI : Consequences Imposed on License - Holders as Result of Anti-Doping Rule Violations ( ADRV ) as per the UCI Anti-Doping Rules, 4 August 2016 ^ Jump up to : `` List of athletes currently serving a period of ineligibility as a result of an Anti-Doping Rule Violation under IAAF Rules as at : 28.07. 14 ''. IAAF. 28 July 2014. Retrieved 31 July 2014. ^ Jump up to : Positive cases in athletics SANCTIONED ACCORDING TO INFORMATION RECEIVED BY THE IAAF AS OF JULY -- AUGUST 2014 ^ Jump up to : `` Athletes currently suspended from all competitions in athletics following an Anti-Doping Rule Violation as at : 30.04. 14 ''. iaaf.org via web.archive.org. IAAF. Archived from the original on 4 May 2014. Retrieved 9 February 2015. Jump up ^ Wilson, Stephen ( 13 August 2012 ). `` Belarus shot putter stripped of Olympic gold ''. Associated Press. Jump up ^ `` Russian gets doping ban ''. Associated Press. 1 May 2013. Retrieved 2013 - 05 - 01. Jump up ^ `` Olympic drugs test : Albanian weightlifter Hysen Pulaku banned ''. BBC News Online. 28 July 2012. Retrieved 2012 - 07 - 28. Jump up ^ IAAF News Edition 149 28 January 2014 Jump up ^ `` Athletes currently suspended from all competitions in athletics following an Anti-Doping Rule Violation as at : 06.08. 15 ''. iaaf.org. IAAF. Retrieved 7 August 2015. Jump up ^ Philip Hersh : Finally official : Liliya Shobukhova losing three Chicago Marathon titles, The Chicago Tribune, 6 August 2015 Jump up ^ Дискваліфікації, uaf.org.ua, 30 April 2014 Jump up ^ `` IAAF News Issue 163, Positive cases in athletics Sanctioned according to information received by the IAAF as of 28 May 2015 ''. iaaf.org. IAAF. Retrieved 30 May 2015. Jump up ^ `` Athletes currently suspended from all competitions in athletics following an Anti-Doping Rule Violation as at : 09.07. 15 ''. iaaf.org. IAAF. Retrieved 9 July 2015. Jump up ^ `` Doping - IOC strips Uzbek wrestler of Olympic bronze ''. Reuters. 7 November 2012. Retrieved 2012 - 11 - 07. Jump up ^ Doping sanctions - News 155, Positive cases in athletics SANCTIONED ACCORDING TO INFORMATION RECEIVED BY THE IAAF AS OF JULY -- AUGUST 2014 Jump up ^ IAAF Newsletter Edition 150. IAAF ( 2014 - 02 - 25 ) Jump up ^ `` Nevin Yanit 's suspension increased from 2 years to 3 years ''. CAS. 6 March 2015. Retrieved 1 July 2015. Jump up ^ IAAF : IAAF News June 2015, Doping sanctions Jump up ^ Rövşən Əhlimanoğlu : Gold medals of Turkish athlete annulled, report.az, 1 July 2015 Jump up ^ `` Athletes currently suspended from all competitions in athletics following an Anti-Doping Rule Violation as at : 26.06. 14 ''. iaaf.org via web.archive.org. IAAF. Archived from the original on 5 February 2015. Retrieved 12 September 2015. Jump up ^ `` IOC sanctions Ukrainian swimmer Olga Beresnyeva in London doping case ''. ESPN. 12 June 2015. Retrieved 16 June 2015. Jump up ^ `` Ukrainian swimmer Olga Beresnyeva disqualified and excluded from the Olympic Games London 2012 after failing re-analysis of samples ''. IOC. 12 June 2015. Retrieved 16 June 2015. Jump up ^ IOC : IOC sanctions Ukrainian weightlifter Yulia Kalina for failing anti-doping test at London 2012 ^ Jump up to : `` IOC Sanctions 12 Athletes for Failing Anti-Doping Test at London 2012 ''. International Olympic Committee. 21 Nov 2016. Retrieved 2016 - 11 - 22. 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BBC. 3 August 2012. Retrieved 2012 - 08 - 03. Jump up ^ `` Olympics rowing : Brazil 's Kissya da Costa fails drugs test ''. BBC News Online. 4 August 2012. Retrieved 2012 - 08 - 04. Jump up ^ `` Olympics 2012 drugs : Gymnast expelled over failed test ''. BBC News Online. 5 August 2012. Retrieved 2012 - 08 - 05. Jump up ^ Reuters ( 3 August 2012 ). `` London 2012 : Amine Laalou, Moroccan 1500m runner, fails doping test ''. The Guardian. Retrieved 2012 - 08 - 03. Jump up ^ Associated Press ( 4 August 2012 ). `` Moldova hammer thrower Marina Marghieva tossed from Olympics for positive doping test ''. Washington Post. Retrieved 2012 - 08 - 04. Jump up ^ `` IOC sanctions two athletes for failing anti-doping tests ''. IOC. 4 August 2012. Retrieved 2013 - 03 - 20. Jump up ^ O'Leary, Naomi ( 6 August 2012 ). `` Walk champion Schwazer excluded for doping ''. Reuters. Retrieved 2012 - 07 - 28. Jump up ^ LK Hewlett ( 3 August 2012 ). `` Public Calling for Answers from Tameka Williams ''. The St. Kitts - Nevis Observer. Archived from the original on 6 August 2012. Retrieved 28 July 2012. Jump up ^ `` IOC confirm 278 Russian athletes are eligible to compete at Rio ''. Daily Mail. 9 July 2016. Retrieved 9 August 2016. Jump up ^ `` Russian athletes participating in Rio Olympic Game by federation ''. Europe Online Magazine. 9 August 2016. Archived from the original on 9 August 2016. Retrieved 9 August 2016. Jump up ^ `` Kazakhstan 's weightlifting triumph clouded by doping controversy ''. The Guardian. 11 August 2016. Retrieved 11 August 2016. Jump up ^ `` Rio Olympics 2016 : Kenyan coach John Anzrah sent home after posing as athlete ''. BBC Sport. 11 August 2016. Retrieved 11 August 2016. Jump up ^ `` Kenyan athletics official detained in doping bribery allegations ''. BBC News. 10 August 2016. Retrieved 11 August 2016. Jump up ^ `` Weightlifter Gabriel Sincraian fails Rio Olympic drug test ''. Associated Press. 13 October 2016. Retrieved 2016 - 10 - 14. Jump up ^ `` CAS AD 16 / 10 and 16 / 11. The Anti-doping Division of the Court of Arbitration for Sport Issues Decisions in the Cases of Gabriel Sincrain ( ROM / Weightlifting - 85kg ) and Misha Aloian ( RUS / Boxing - 52kg ) '' ( PDF ). Court of Arbitration for Sport. 8 December 2016. Retrieved 8 December 2016. Jump up ^ `` WEIGHTLIFTING - Izzat Artykov ( Kyrgyzstan ) disqualified from men 's 69kg event and excluded from the Games '' ( PDF ). tas-cas.org. Court of Arbitration for Sport. 18 August 2016. Retrieved 20 August 2016. Jump up ^ `` Rio Olympics 2016 : Chinese swimmer Chen Xinyi fails doping test ''. BBC Sport. 12 August 2016. Retrieved 12 August 2016. Jump up ^ `` IAAF News Issue 176, Positive cases in athletics Sanctioned according to information received by the IAAF as of 21 September 2016 ''. iaaf.org. IAAF. Archived from the original on 3 October 2016. Retrieved 22 October 2016. Jump up ^ CAS : CAS OG AD 16 / 06 International Olympic Committee v. Kleber Da Silva Ramos Jump up ^ License - Holders Provisionally Suspended as per the UCI Anti-Doping Rules, UCI, 12 August 2016 Jump up ^ `` Canoe medallist gets Rio suspension for failed drugs test ''. itv.com. ITV News. 18 August 2016. Retrieved 20 August 2016. Jump up ^ `` Canotorul naturalizat Serghei Tarnovschi a fost depistat pozitiv și la proba B ''. Moldpres. 3 November 2016. Retrieved 18 November 2016. Jump up ^ `` COURT OF ARBITRATION FOR SPORT ( CAS ) CONFIRMS THE DECISION RENDERED BY THE INTERNATIONAL CANOE FEDERATION ( ICF ) IN THE CASE OF SERGHEI TARNOVSCHI '' ( PDF ). Lausanne, Switzerland : Court of Arbitration for Sport. 11 July 2017. Retrieved 12 July 2017. Jump up ^ CAS : CAS OG AD 16 / 08 International Olympic Committee v. Chagnaadorj Usukhbayar Jump up ^ `` CAS AD 16 / 10 and 16 / 11. The Anti-doping Division of the Court of Arbitration for Sport Issues Decisions in the Cases of Gabriel Sincraian ( ROM / Weightlifting - 85kg ) and Misha Aloian ( RUS / Boxing - 52kg ) '' ( PDF ). Court of Arbitration for Sport. 8 December 2016. Retrieved 8 December 2016. Jump up ^ `` CAS AD 16 / 10 and 16 / 11. The Anti-doping Division of the Court of Arbitration for Sport Issues Decisions in the Cases of Gabriel Sincraian ( ROM / Weightlifting - 85kg ) and Misha Aloian ( RUS / Boxing - 52kg ) '' ( PDF ). Court of Arbitration for Sport. 8 December 2016. Retrieved 8 December 2016. Jump up ^ `` Четверка российских гребцов отстранена от участия в ОИ - 2016 ''. tass.ru. 1 July 2016. Retrieved 26 November 2016. Jump up ^ `` Rio Olympics 2016 : Bulgarian Silvia Danekova fails drugs test ''. BBC Sport. 11 August 2016. Retrieved 11 August 2016. ^ Jump up to : `` Cypriot weightlifter and Greek expelled from Olympics after drugs tests ''. The Guardian. 5 August 2016. Retrieved 13 August 2016. 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Jump up ^ Associated Press ( 6 December 2011 ). `` Christian Hoffmann gets 6 - year ban ''. ESPN. In December 2011 the ski federation gave Hoffmann a six - year ban for having his blood taken for doping purposes at a Vienna lab between 2003 and 2006 and possessing a centrifuge for blood enrichment. Jump up ^ Butler, Nick ( 24 October 2016 ). `` Šmigun - Vähi facing CAS hearing after `` positive '' retest at Turin 2006 ``. INSIDETHEGAMES.BIZ. Dunsar Media Company Limited. Retrieved 2016 - 10 - 24. ^ Jump up to : `` Dos Santos expelled from Brazilian bobsled team for doping ''. Associated Press. Retrieved 22 February 2009. Jump up ^ `` Russian Biathlete Expelled From Torino for Doping Fox News ''. 16 February 2006. Retrieved 2016 - 08 - 06. ^ Jump up to : FIS Doping Panel sanctions Austrian Cross-Country skiers for violations against FIS Anti-Doping Rules during the 2006 Olympic Winter Games in Torino ( ITA ) Jump up ^ Associated Press : CAS bans Pinter four years for role in Turin doping scandal, espn.com, 21 November 2008 Jump up ^ `` IOC STARTS DISCIPLINARY PROCEDURES AGAINST 28 RUSSIAN ATHLETES FROM SOCHI 2014 ''. Lausanne, Switzerland : INTERNATIONAL OLYMPIC COMMITTEE. 23 December 2016. Retrieved 2017 - 02 - 10. The IOC will also re-analyse all samples from Russian athletes at the Olympic Winter Games Vancouver 2010. Jump up ^ Pavitt, Michael ( 26 October 2017 ). `` Biathlete Gregorin confirmed as athlete who failed Vancouver 2010 doping retest ''. Inside the Games. Retrieved 2017 - 10 - 27. Jump up ^ `` Biathletes lose doping ban appeals ''. espn.com. Nov 13, 2009. Jump up ^ `` Biathletes lose doping ban appeals ''. espn.com. Nov 13, 2009. 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External links Olympic Movement Anti-doping Code Olympic Games scandals and controversies By year 2008 ( summer ) 2010 ( winter ) 2012 ( summer ) 2014 ( winter ) 2016 ( summer ) 2018 ( winter ) 2020 ( summer ) 2022 ( winter ) Boycotts 1936 1956 1964 1976 1980 1984 Alternative competitions Intercalated Games ( 1906 ) People 's Olympiad ( 1936 ) Games of the New Emerging Forces ( 1963 ) Liberty Bell Classic ( 1980 ) Friendship Games ( 1984 ) Goodwill Games ( 1986 -- 2001 ) Events Football match between Peru and Austria ( 1936 ) `` Blood in the Water '' water polo match ( 1956 ) Tlatelolco massacre ( 1968 ) Black Power salute ( 1968 ) Munich massacre ( 1972 ) Basketball gold - medal match controversy ( 1972 ) Kozakiewicz 's gesture ( 1980 ) Centennial Olympic Park bombing ( 1996 ) Winter Olympic bid scandal ( 1998 ) Figure - skating judging scandal ( 2002 ) Underage gymnasts controversy ( 2008 ) Death of Nodar Kumaritashvili ( 2010 ) One minute of silence campaign ( 2012 ) LGBT rights protests ( 2014 ) Sochi Ladies ' singles judging controversy ( 2014 ) Russian doping scandal ( 2015 - ) Ireland Summer Olympics ticket scandal ( 2016 ) Death of Bahman Golbarnezhad ( 2016 ) Lochtegate ( 2016 ) Rule 40 ( 2016 ) List of stripped Olympic medals Doping at the Olympic Games Apartheid - era South Africa and the Olympics Retrieved from `` https://en.wikipedia.org/w/index.php?title=Doping_at_the_Olympic_Games&oldid=817557551 '' Categories : Olympic Games controversies Doping in sport Lists of sportspeople Drug - related lists Competitors stripped of Olympic medals Olympics - related lists Doping in Russia Hidden categories : All articles with dead external links Articles with dead external links from November 2017 Articles with permanently dead external links Webarchive template wayback links Use dmy dates from August 2017 Talk Contents About Wikipedia Català Español Français Lietuvių Edit links This page was last edited on 29 December 2017, at 04 : 21. 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Question: when did drug testing start in the olympics
Answer: 1967