Question: Anna Guseva is a Russian distance swimmer, she competed in the Women's marathon 10 kilometre, finishing in 10th place, in which 2012 major international multi-sport event celebrated in the tradition of the Olympic Games, as governed by the International Olympic Committee (IOC)?

full_context: Document 1: Heidi Gan: Heidi Gan (born 8 October 1988) is a Malaysian distance swimmer. At the 2012 Summer Olympics, she competed in the Women's marathon 10 kilometre, finishing in 16th place. In the same event, she finished in 21st place at the 2016 Summer Olympics.
Document 2: Great Britain at the 2012 Summer Olympics: Great Britain, represented by the British Olympic Association (BOA), competed at the 2012 Summer Olympics in London, United Kingdom, from 27 July to 12 August 2012 as the host nation. British athletes have competed at every Summer Olympic Games in the modern era, alongside Australia, France and Greece, though Great Britain is the only one to have won at least one gold medal at all of them. London is the only city to host the Summer Olympics on three different occasions, having previously done so in 1908 and 1948. Soon, it will be joined by Paris in 2024 and Los Angeles in 2028 in hosting the Olympic Games for a third time. Team GB, organised by BOA, sent a total of 541 athletes, 279 men and 262 women, to the Games, and won automatic qualification places in all 26 sports.
Document 3: 2012 Summer Paralympics: The 2012 Summer Paralympics, the 14th Summer Paralympic Games, and also more generally known as the London 2012 Paralympic Games, were a major international multi-sport event for athletes with disabilities governed by the International Paralympic Committee (IPC), that took place in London, United Kingdom from 29 August to 9 September 2012. These Paralympics were one of the largest multi-sport events ever held in the United Kingdom after the 2012 Summer Olympics, and were the largest Paralympics ever: 4,302 athletes from 164 National Paralympic Committees participated, with fourteen countries appearing in the Paralympics for the first time ever. A total of 503 events in 20 sports were held during these games; for the first time since their suspension after the 2000 Paralympics, events for the intellectually disabled were also held in selected sports.
Document 4: List of 2012 Summer Olympics medal winners: The 2012 Summer Olympics, officially known as the Games of the XXX Olympiad, were held in London, United Kingdom, from 25 July 2012 to 12 August 2012.
Document 5: Anastasija Grigorjeva: Anastasija Grigorjeva (born 12 May 1990) is a Latvian freestyle wrestler of Russian origin. She has qualified for 2012 Summer Olympics in London. She won European Championships 2010 (Women's freestyle – 55 kg) and won silver in 2012 (Women's freestyle – 59 kg). Grigorjeva was born in Daugavpils, Latvia.She started to train in wrestling from 2003 year. Before she was training in judo and some years later, she came to woman freestyle wrestling. From 2012 year she studies in the University of Daugavpils.
Document 6: Natasha Tang: Natasha Terri Tang (born Tang Wing Yung, ; 23 August 1992) is a Hong Kong distance swimmer. At the 2012 Summer Olympics, she competed in the Women's marathon 10 kilometre, finishing in 20th place.
Document 7: Svetlana Zakharova (athlete): Svetlana Vladimirovna Zakharova (Russian: Светлана Владимировна Захарова ), (born 15 September 1970 in Chuvashia) is a Russian long-distance runner, who specializes in marathon races. She won several international marathons, such as: the Honolulu Marathon (1997, 2002 and 2009), the Chicago Marathon (2003) and the Boston Marathon (2003). She participated twice in the Olympic Games.
Document 8: 2012 Summer Olympics opening ceremony: The opening ceremony of the 2012 Summer Olympic Games took place on the evening of Friday 27 July in the Olympic Stadium, London. As mandated by the Olympic Charter, the proceedings combined the formal ceremonial opening of this international sporting event (including welcoming speeches, hoisting of the flags and the parade of athletes) with an artistic spectacle to showcase the host nation's culture. The 2012 Games were formally opened by Queen Elizabeth II. The spectacle was entitled Isles of Wonder and directed by Academy Award-winning British film director Danny Boyle.
Document 9: Ann Colloton: Ann Colloton is a former competitive swimmer. She was a five-time Big Ten Conference champion, an eight-time All-American, and the NCAA breaststroke champion in 1989. She was the first athlete in University of Michigan history to be twice named female athlete of the year and was also named Michigan's Female Athlete of the Decade for the 1980s. She was inducted into the University of Michigan Athletic Hall of Honor in February 2008.
Document 10: 2008 Summer Olympics: The 2008 Summer Olympic Games, officially known as the Games of the XXIX Olympiad () and commonly known as Beijing 2008, was a major international multi-sport event that took place in Beijing, China, from 7 to 24 August 2008. A total of 10,942 athletes from 204 National Olympic Committees (NOCs) competed in 28 sports and 302 events (a total of one event more than the schedule of the 2004 Games). China became the 22nd nation to host the Olympic Games and the 18th to hold a Summer Olympic Games. It was the third time that the Summer Olympic Games were held in East Asia and Asia, after Tokyo, Japan, in 1964 and Seoul, South Korea, in 1988.
Document 11: Svetlana Koroleva (water polo): Svetlana Viktorovna Korolyova (Russian: Светлана Викторовна Королева ; born September 7, 1973 in Zhambyl) is a water polo player from Kazakhstan, who represented her native country in two consecutive Summer Olympics, starting in 2000. She finished in 6th and 8th place with the Kazakhstani national team.
Document 12: 2020 Summer Olympics: The 2020 Summer Olympics, officially known as the Games of the XXXII Olympiad and commonly known as Tokyo 2020, is a major international multi-sport event due to be celebrated in the tradition of the Olympic Games as governed by the International Olympic Committee (IOC).
Document 13: Ana Tarrés: Anna Tarrés Campà (born 19 October 1967) is a synchronized swimming coach and former national synchronized swimmer from Spain. She competed in the women's duet at the 1984 Summer Olympics. After retiring from competition Tarrés began coaching at her swimming club, CN Kallipolis, in 1987, where she coached Gemma Mengual to international success. In 1997 she was appointed as head coach of the Spanish national synchronised swimming team: during her time in charge the team enjoyed great success, taking four Olympic medals, 26 World Championship medals, and 25 European Championship medals, however in September 2012 the Royal Spanish Swimming Federation informed her that her contract would not be extended beyond the end of the year. Shortly afterwards 15 former members of the team issued a public letter criticising Tarrés for using authoritarian and demeaning behaviour in her role as head coach, although Mengual and national team captain Andrea Fuentes both spoke in Tarrés' defence, and Fuentes subsequently announced her retirement from elite competition in January 2013 due to demotivation as a result of the conflict between Tarrés and the federation. After leaving the Spanish national team Tarrés was appointed as one of the coaches of the Ukrainian national team in 2015.
Document 14: Anna Guseva: Anna Guseva is a Russian distance swimmer. At the 2012 Summer Olympics, she competed in the Women's marathon 10 kilometre, finishing in 10th place. Trained by Elezarova Galina Alekseievna.
Document 15: 2012 Summer Olympics: The 2012 Summer Olympics, formally the Games of the XXX Olympiad and commonly known as London 2012, was a major international multi-sport event celebrated in the tradition of the Olympic Games, as governed by the International Olympic Committee (IOC). It took place in London and to a lesser extent across the United Kingdom from 25 July to 12 August 2012. The first event, the group stage in women's football began on 25 July at the Millennium Stadium in Cardiff, followed by the opening ceremonies on 27 July. 10,768 athletes from 204 National Olympic Committees (NOCs) participated.
ground_truth: 2012 Summer Olympics