4 × 100 metres relay 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 relay baton is carried by each runner. Prior to 2018, the baton had to be passed within a 20 m changeover box, preceded by a 10 metre acceleration zone. With a rule change effective November 1, 2017 that zone was modified to include the acceleration zone as part
Roger Bannister running track was opened by John Lowe, the Vice-Chancellor of the University of Oxford. Since 1950, the running track has been modernised on several occasions. In 1976 work started on the track to convert the track to a synthetic track, and it opened on 4 May 1977, and was again resurfaced in 1989. By 2005, the track again was of poor quality. Two years later Lord Coe, the Chairman of the London Organising Committee for the Olympic Games and Paralympic Games, opened the newly refurbished running track on 10 May 2007. The running track was renamed the Roger Bannister running track. Coe