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400 m is a common athletics running event. It is the longest common sprint distance. On a standard outdoor running track, it is exactly one lap around the track. Runners start in staggered positions and race in separate lanes for the entire course. An athlete needs to combine both strength and speed in order to compete successfully. In the United States, athletes previously competed in the 440-yard dash (402.336 m) instead of the 400 m, though this distance is now obsolete.

The current men's world record is held by Michael Johnson, with a time of 43.18 seconds. The world indoor record holder is Kerron Clement, in 44.57 seconds. The current women's world record is held by Marita Koch, with a time of 47.60 seconds. The reigning Olympic champions are Jeremy Wariner and Tonique Williams-Darling. The Paralympic world record of 46.56 seconds is held by Oscar Pistorius.[1]


The 400m in Greece


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