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The 400 metres, or 400-meter dash, is a sprint 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 ...
The proper length of the first lane of a competitive running track is 400 m (1,312.3 ft). Some tracks are not built to this specification, instead being a legacy to imperial distances such as 440 yd (402.336 m), equivalent to a quarter of a mile.
The dimensions of the track and equipment used must conform to standards. In road events, the course must be accurately measured, by a certified measurer. Except in road events ( road running and race walking ), the performance must be set in a single-sex race, [ 2 ] with the sole exception of the mixed-sex 4 × 400 m relay, introduced by World ...
1.1 Track events. 1.2 Field events. ... 400 metres hurdles 3000 ... (PDF). International Association of Athletics Federations
The first world record in the 400 m for men was recognized by the International Amateur Athletics Federation, now known as World Athletics, in 1912.The IAAF ratified Charles Reidpath's 48.2 s performance set at that year's Stockholm Olympics as a world record, but it also recognized the superior mark over 440 yards (402.336 metres) run by Maxie Long in 1900 as a world record.
The 1928 games were also the first games to use a 400-meter track, which became the standard for track and field. The modern sprinting events have their roots in races of imperial measurements which were later altered to metric: the 100 m evolved from the 100-yard dash , [ 7 ] the 200 m distance came from the furlong (or 1 ⁄ 8 mile ), [ 8 ...
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This is a list of NCAA Division I outdoor champions in the 400 meters or its imperial equivalent 440 yard dash. For men, the imperial distance was contested until 1975 excepting Olympic years starting in 1932. Metrication occurred in 1976, so all subsequent championships were at the metric distance.