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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.
From 1975, the IAAF accepted separate automatically electronically timed records for events up to 400 metres. Starting January 1, 1977, the IAAF required fully automatic timing to the hundredth of a second for these events. [1] John Akii-Bua's 1972 Olympic gold medal run was the fastest recorded fully electronic 400 metre race to that time, at ...
The 400 metres, or 400-meter dash, is a sprint event in track and field competitions. ... his time of 43.03 seconds is the fastest 400 m ever run, in either an open ...
Top all-time finishes in the men's 400-meter hurdles. Karsten Warholm, Norway: 45.94 seconds (Aug. 3, 2021 — 2021 Tokyo Olympics) ... Bronson recorded one of the fastest 400-meter times in ...
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 Athletics in 2017. [3] All team members in a relay race must be of the same nationality.
His time of 44.94 seconds put him in sixth place, well behind winner Quincy Hall and fellow Olympic qualifiers Michael Norman and Chris Bailey. ... Wilson trailed eight of the fastest 400-meter ...
From 1975, the IAAF accepted separate automatically electronically timed records for events up to 400 metres. Starting January 1, 1977, the IAAF required fully automatic timing to the hundredth of a second for these events. [1] Riitta Salin's 50.14 from 1974 was the fastest recorded result to that time.
He won the 1993 U.S. title in the 400 m, and followed it with world titles in both the 400 m and 4 × 400 m relay. His 42.91 second split time in the 4 × 400 m relay remains the fastest 400 meters in history. [2] At the 1995 World Championships in Gothenburg, Johnson won his first 200 m and 400 m "double".