Question: What does Arnaud Ghislan and 400 metres have in common?

full_context: Document 1: Charles Grethen: Charles Grethen (born 2 June 1992 in Tuntange) is a Luxembourgian middle-distance runner competing primarily in the 800 metres. He represented his country at three consecutive European Championships.
Document 2: Matthew Hudson-Smith: Matthew Hudson-Smith (born 26 October 1994) is a British track and field sprinter who specialises in the 400 metres. He holds a personal best of 44.48 seconds for the distance set at the 2016 Olympic Games
Document 3: Mehdi Baala: Mehdi Baala (Arabic: مهدي بعلة‎ ‎ ; born 17 August 1978 in Strasbourg) is a French, middle-distance runner competing mainly in the 1500 metres event. Baala has won several major international championships medals in the 1500 metres event – an Olympic Games bronze, a World Championships silver, two European Championships golds and a European Indoor Championships bronze. Moreover, he has won several medals in the 1500 metres event of the European Cup, IAAF World Cup and the IAAF World Athletics Final. Baala is considered to be the best French middle-distance runner of all time. As of July 2013, he holds French national outdoor records for four distances (800m: 1.43.15, 1000m: 2.13.96, 1500m: 3.28.98 and 2000m: 4.53.12; all of these were set from 2002 to 2005) and French national indoor records for four distances (800m, 1000m, 1500m and the mile; all of these were set from 2003 to 2009).
Document 4: 800 metres: The 800 metres, or 800 meters (US spelling), is a common track running event. It is the shortest common middle-distance running event. The 800 metres is run over two laps of the track (400 metre track) and has been an Olympic event since the first games in 1896. During indoor track season the event is usually run on a 200-metre track, therefore requiring four laps.
Document 5: Arnaud Ghislain: Arnaud Ghislain (born December 2, 1988 in Belœil) is a Belgian sprinter, who specialized in the 400 metres. He is an indoor national senior champion for his category, and also a member of the Belgian national track relay team.
Document 6: 400 metres: The 400 metres, or 400 metre dash, is a common sprinting event in track and field competitions. It has been featured in the athletics programme at the Summer Olympics since 1896 for men and since 1964 for women. On a standard outdoor running track, it is one lap around the track. Runners start in staggered positions and race in separate lanes for the entire course. In many countries, athletes previously competed in the 440 yard dash (402.336 m)—which is a quarter of a mile and was referred to as the 'quarter-mile'—instead of the 400 m (437.445 yards), though this distance is now obsolete. An athlete who competes in the 400 m may still be referred to as 'quarter-miler'; the distance or event might still be called the "quarter."
Document 7: Middle-distance running: Middle-distance running events are track races longer than sprints, up to 3000 metres. The standard middle distances are the 800 metres, 1500 metres and mile run, although the 3000 metres may also be classified as a middle-distance event. The 1500 m came about as a result of running three and 3/4 laps of a 400 m outdoor track or 7 and a half laps of a 200m indoor track, which were commonplace in continental Europe in the 20th century.
Document 8: Sprint hurdles at the Olympics: The sprint hurdles at the Summer Olympics have been contested over a variety of distances at the multi-sport event. The men's 110 metres hurdles has been present on the Olympic athletics programme since the first edition in 1896. A men's 200 metres hurdles was also briefly held, from 1900 to 1904. The first women's sprint hurdling event was added to the programme at the 1932 Olympics in the form of the 80 metres hurdles. At the 1972 Games the women's distance was extended to the 100 metres hurdles, which is the current international standard.
Document 9: Gil Roberts: Gil Roberts (born March 15, 1989) is an American athlete who specializes in the 200 m and 400 m. He competed for Texas Tech under coach Wes Kittley at the NCAA level. He was a member of the USA team that won the gold medal in the Men's 4×400 metres relay at the 2012 IAAF World Indoor Championships. Roberts won the 2014 US Outdoor championship in 44.53 on June 28 in Sacramento, California.
Document 10: K. M. Binu: Kalayathumkuzhi Mathews Binu (born 20 December 1980) is an Indian track and field athlete from Kerala who specializes in 400 metres and 800 metres. He holds the current 400 metres national record of 45.48 s set at the 2004 Athens Olympics on 20 August 2004. He broke the 44-year-old Olympics mark (by an Indian) held by Milkha Singh who set an Indian National Record with a timing of 45.73 s at the 1960 Rome Olympics. He and his elder sister K. M. Beenamol made history when they became the first Indian siblings to win medals in a major international competition. They won medals at the Busan Asian Games (2002). While Binu won the men's 800 metres silver, his sister won the gold medal in the women's event. Binu received the Arjuna Award for the year 2006 for his achievements in the Indian athletics.
Document 11: Athletics at the 2004 Summer Olympics: At the 2004 Summer Olympics, the athletics events were held at the Athens Olympic Stadium from August 18 to August 29, except for the marathons (run from Marathonas to the Kallimarmaro Stadium), the race walks (on the streets of Athens), and the shot put (held at the Ancient Olympia Stadium). A total of 46 events were contested, of which 24 by male and 22 by female athletes.
Document 12: 4 × 400 metres relay: The 4 × 400 metres relay or long relay is an athletics track event in which teams consist of four runners who each complete 400 metres or one lap. It is traditionally the final event of a track meet. At top class events, the first 500 metres is run in lanes. Start lines are thus staggered over a greater distance than in an individual 400 metres race; the runners then typically move to the inside of the track.
Document 13: Sport in Belgium: Sport in Belgium plays a prominent role in the society. As of 2010, Belgium counted around 17,000 sport clubs with approximately 1.35 million members, thus 13% of the Belgian population is involved in sport. Popular sports in Belgium are among others football, cycling, tennis, table tennis, athletics, swimming, basketball, badminton, judo, hockey, motocross, auto racing, volleyball and running. Belgium has organized the 1920 Olympic Games in Antwerp as well as the 1972 UEFA European Championship and the 2000 UEFA European Championship along with the Netherlands. The Belgium national football team best result was a 4th place at the 1986 FIFA World Cup and a second place of the 1980 UEFA European Championship. Belgian football clubs have won 3 times the UEFA Cup Winners Cup and twice the UEFA Cup, plus 3 times the UEFA Supercup.
Document 14: Yannick Agnel: Yannick Agnel (born 9 June 1992) is a French former competitive swimmer who specializes in freestyle events, and is a three-time Olympic medalist. In his Olympic debut at the 2012 Summer Olympics in London, he won gold in the 200-meter freestyle, gold in the 4×100-meter freestyle relay, and silver in the 4×200-meter freestyle relay. He is the current world record holder in the 400-meter freestyle (short course), the European record holder in the 800-meter freestyle (short course), and the national record holder in the 200- and 400-meter freestyle (long course).
Document 15: 4 × 100 metres relay: The 4 × 100 metres relay or sprint relay is an athletics track event run in lanes over one lap of the track with four runners completing 100 metres each. The first runners must begin in the same stagger as for the individual 400 m race. A relay baton is carried by each runner and must be passed within a 20 m changeover box (usually marked by yellow lines) which extends 10 m on either side of each 100 m mark of the race. Another line is marked 10 m farther back, marking the earliest point at which the outgoing runner may begin (giving up to 10 m of acceleration before entering the passing zone).
ground_truth: track