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
2020 United States Olympic Trials (track and field) 2018, it was announced that Eugene, Oregon had been selected to host the competition. Organized by USA Track and Field, the ten-day competition is scheduled for June 19-28 and will serve as the national championships in track and field for the United States. The results of the event determined qualification for the American Olympic team at the 2020 Summer Olympics, to be held in Tokyo. Provided they had achieved the Olympic standard, the top three athletes will gain a place on the Olympic team. In the event that a leading athlete does not hold the standard, or an athlete withdraws,