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The following table shows the world record progression in the men's 200 metres, as ratified by the IAAF. The current record of 19.19 seconds was set by Usain Bolt at the 2009 World Championships in Athletics. The IAAF maintained separate records for 200 m over a straight track and over a curved track. It discarded records for the former after 1976. The IAAF ratified the first record for 200 m (bend) in 1951. "y" denoted times for 220 yards (201.17 m) which were also ratified for the event. To June 21, 2011, the IAAF has ratified 24 world records in the event.〔 〕 ==Records 1951–1976== (+) plus sign denotes en route time during longer race John Carlos ran 19.7A seconds (19.92A auto) (1.9 ms wind), at altitude, at the 1968 US Olympic Trials in Echo Summit. The run was not ratified as a world record because Carlos was wearing shoes with 'brush' spikes which did not have sanction as official footwear. Henry Carr's winning time at the 1964 Olympics (17 October) was a hand timed 20.3 seconds. The electronic time was 20.36 seconds, which was probably the fastest to that time. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Men's 200 metres world record progression」の詳細全文を読む スポンサード リンク
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