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10-second Barrier
The 10-second barrier is the physical and psychological barrier of completing the 100 metres sprint in under ten seconds. The achievement is traditionally regarded as the hallmark of a world-class male sprinter. Its significance has become less important since the late 1990s, as an increasing number of runners have surpassed the ten seconds mark. The current men's world record holder is Usain Bolt, who ran a 9.58 at the 2009 IAAF World Championship competition. History For sprints, World Athletics maintains that world records and other recognised performances require: a wind assistance of not more than two metres per second () in the direction of travel; fully automatic timing (FAT) to one hundredth of a second; and no use of performance-enhancing substances. Wind gauge malfunctions or infractions may invalidate a sprinter's time. Hand timing Prior to 1977, FAT was not required for IAAF official timings. Times were recorded manually to one tenth of a second; three official ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
100 Metres
The 100 metres, or 100-meter dash, is a sprint race in track and field competitions. The shortest common outdoor running distance, the dash is one of the most popular and prestigious events in the sport of athletics. It has been contested at the Summer Olympics since 1896 for men and since 1928 for women. The inaugural World Championships were in 1983. The reigning 100 m Olympic or world champion is often named "the fastest man or woman in the world". Fred Kerley and Shelly-Ann Fraser-Pryce are the reigning world champions; Marcell Jacobs and Elaine Thompson-Herah are the men's and women's Olympic champions. On an outdoor 400-metre running track, the 100 m is held on the home straight, with the start usually being set on an extension to make it a straight-line race. There are three instructions given to the runners immediately before and at the beginning of the race: "on your marks," "set," and the firing of the starter's pistol. The runners move to the star ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
