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Lewis's mark, which equalled the standing record at the time, was never officially ratified by the IAAF as a world record. The women's world record has not yet been beaten at the championships. Shelly-Ann Fraser-Pryce is the most successful athlete of the event as the only person, male or female to win five titles, she also has the most medals ...
Also, the 2009 Jamaican men's 4 × 100 metres relay team time of 37.31 seconds was retrospectively recognised to as the world record after the team's time of 37.10 at the 2008 Olympics was rescinded after the disqualification of Nesta Carter (who was not present in the World Championships team).
4x100m dq2 The United States team of Mickey Grimes, Bernard Williams, Dennis Mitchell and Tim Montgomery originally won the 2001 World Championship in a time of 37.96 seconds, but were disqualified after Montgomery admitted to drug use as a result of the BALCO scandal in 2005.
The unofficial "world's fastest man or woman" title typically goes to the Olympic or World 100 metres champion. [3] [4] [5] The 200 metre time almost always yields a "faster" average speed than a 100-metre race time, since the initial slow speed at the start is spread out over the longer distance. [6]
The men's 100 metres at the 2015 World Championships in Athletics was held at the Beijing National Stadium on 22 and 23 August. [1] [2] For only the second time in the World Athletics Championships, the winning margin in the men's 100 metres was 0.01 seconds. The first time this happened was in 2003.
The first manual time of 9.9 seconds was recorded for Bob Hayes in the final of the 100 metres at the 1964 Olympics. Hayes' official time of 10.0 seconds was determined by rounding down the electronic time of 10.06 to the nearest tenth of a second, giving the appearance of a manual time.
dq1 The United States team of Kelli White, Chryste Gaines, Inger Miller, and Marion Jones originally won the 2001 World Championship in a time of 41.71 seconds, but were disqualified after Jones and White were found to have used performance-enhancing drugs.
All of these factors make track and "football 40" performances essentially impossible to compare. The world best time for a "football 40" is 4.17 by Deion Sanders, while the extrapolated best for an Olympic-level athlete (including reacting to a starting gun) is 4.24 by Maurice Greene at the 2001 World Championships in Athletics.