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
Middle-distance running uncommon in high school. Rarely run in youth competition, though some high school competitions include the 3000m steeplechase, for example, it is an event competed in championships and larger meets in New York State. Japanese secondary school boys regularly run 5000 metres on the track rather than 3000 meters. USA high school boys rarely run this distance except during cross country. Middle-distance running Middle-distance running events are track races longer than sprints, up to 3000 metres. The standard middle distances are the 800 metres, 1500 metres and mile run, although the 3000 metres may also be classified as a middle-distance