400 metres 400 metres The 400 metres, or 400 metre dash, is a sprinting 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 entire course. In many countries, athletes previously competed in the 440 yard dash (402.336 m)—which is a quarter of a mile and was referred to as the 'quarter-mile'—instead of the 400 m (437.445 yards), though this
4 × 200 metres relay would break into lane one and make a third exchange in lane one of the second standard 4x100 metres relay zone. Indoors, the event is popular because each leg is one lap of a standard 200 metre indoor track. The men's world record was set at the inaugural IAAF World Relay Championships in Nassau, Bahamas. The record was set by a Jamaican team consisting of Nickel Ashmeade, Warren Weir, Jermaine Brown and Yohan Blake in a time of 1:18.63. The women's world record is 1:27.46, set by a squad called Team USA "Blue" LaTasha Jenkins, LaTasha Colander-Richardson, Nanceen Perry, and