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
Roger Bannister running track Roger Bannister running track The Roger Bannister running track, also known as the Oxford University track, is a 400-metres athletics running track and stadium in Oxford, England. It was where Sir Roger Bannister broke the four-minute mile on 6 May 1954, when it was known as the Iffley Road track. The track is owned and operated by the University of Oxford. In 1867, the University of Oxford built a grass track round at Marston Road Sports Grounds. It was built on clay and often flooded, or became unusable due to the wet conditions. The university later decided to build a