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
Haile Gebrselassie needed a sub-4-minute final 1,600 metres for the record. With one lap to go and in great pain, Haile took off, recording a final lap of 56.77 seconds and a final 1,600 metres of 3:59.36 (= 4:00.96-mile) to race to a 12:39.36 world record. In 1999, Haile starred as himself in the movie "Endurance". The film chronicled his quest to win Olympic gold in the 10,000 metres in Atlanta. On the track, he won a 1500/3000 metres double at the World Indoor Track Championships, defended his Outdoor World Track Championships 10,000 metres title, and remained undefeated in all his races