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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 track was 330 metres in circumference (unlike modern tracks which are 400 metres), so the race was slightly more than one lap. The track had very sharp turns and was made of loose cinders, making running difficult. Runners turned clockwise rather than the current counterclockwise turns. [1]
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 ...
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 400 metres at the Summer Olympics has been contested since the first edition of the multi-sport event.The men's 400 m has been present on the Olympic athletics programme since 1896 but nearly seventy years passed before the introduction of the women's 400 m, which has been held continuously since the 1964 Games.
The men's 400 metres at the 2008 Summer Olympics took place on 18–21 August at the Beijing National Stadium. [1] Fifty-five athletes from 40 nations competed. [2]The winning margin was an impressive 0.99 seconds which as of 2023 remains the greatest winning margin for the men's Olympic 400 metres since the introduction of fully automatic timing.
The men's 400 metres at the 2019 World Athletics Championships was held at the Khalifa International Stadium in Doha on 1, 2 and 4 October 2019. [1] The winning margin was 0.67 seconds which as of 2024 is the greatest winning margin in the men's 400 metres at these championships since the retirement of Michael Johnson.