United States Olympic Trials (track and field) fill out the field. Since 1972 there have been a minimum of 24 entries in any event, with the popular sprint events 100 meters, 200 meters, 400 meters and 110 meter hurdles having a minimum of 32 entries. Since 1992, athletes achieving the "A" standard are funded to attend the Olympic Trials, while "B" standard athletes have to pay their own way to the meet. Unlike many other countries, who have a selection committee, the selection to the United States Olympic Team is exclusively by results on the track. It's "do or die" in the prescribed event. If two or
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