4 × 100 metres relay a cinder track at the 1964 Tokyo Games. The women's world record stands at 40.82 seconds, set by the United States in 2012 at the London Olympics. According to the IAAF rules, world records in relays can only be set if all team members have the same nationality. 4 × 100 metres relay The 4 × 100 metres relay or sprint relay is an athletics track event run in lanes over one lap of the track with four runners completing 100 metres each. The first runners must begin in the same stagger as for the individual 400 m race. A
10,000 metres 10,000 metres The 10,000 metres or the 10,000-meter run is a common long-distance track running event. The event is part of the athletics programme at the Olympic Games and the World Championships in Athletics and is common at championship level events. The race consists of 25 laps around an Olympic-sized track. It is less commonly held at track and field meetings, due to its duration. The 10,000 metre track race is usually distinguished from its road running counterpart, the 10K run, by its reference to the distance in metres rather than kilometres. The 10,000 metres is the longest standard track