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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 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.
Delta (400m) – The length a track of this radius is longer than the inside track for a 400m race (and thus how much lead-in is needed to make it a fair race) Delta (800m) – The length a track of this radius is longer than the inside track for a 800m race (and thus how much lead-in is needed to make it a fair race)
The men's 400 metres event at the 2020 Summer Olympics took place between 1 and 5 August 2021 at the Olympic Stadium. [1] Approximately fifty athletes were expected to compete; the exact number was dependent on how many nations use universality places to enter athletes in addition to the 48 qualifying through time or ranking (3 universality places were used in 2016).
The 400 metres at the World Championships in Athletics has been contested by both men and women since the inaugural edition in 1983. It is the second most prestigious title in the discipline after the 400 metres at the Olympics. The competition format typically has two or three qualifying rounds leading to a final between eight athletes.
The 4 × 400 metres relay or long relay is an athletics track event in which teams consist of four runners who each complete 400 metres or one lap, totaling 1600 meters. It is traditionally the final event of a track meet. The first leg and the first bend of the second leg are run in lanes.
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.
In the center of the track, Naser had also already made up the stagger on Wadeline Jonathas to her outside. Miller-Uibo and Naser hit the 200 meter split marks virtually even. Through the final turn, Naser was moving faster, opening up 4 metres by the home straight. The first time Miller-Uibo was able to see Naser, she was already behind.