400 metres hurdles 400 metres hurdles The 400 metres hurdles is a track and field hurdling event. The event has been on the Olympic athletics programme since 1900 for men and since 1984 for women. On a standard outdoor track, 400 metres is the length of the inside lane, once around the stadium. Runners stay in their lanes the entire way after starting out of the blocks and must clear ten hurdles that are evenly spaced around the track. The hurdles are positioned and weighted so that they fall forward if bumped into with sufficient force, to prevent injury to the runners. Although
3000 metres outdoor championships, but is occasionally hosted at annual elite track and field meetings. It is often featured in indoor track and field programmes and is the longest distance event present at the IAAF World Indoor Championships. In women's athletics, 3000 metres was a standard event in the Olympic Games (1984 to 1992) and World Championships (1980 to 1993). The event was discontinued at World Championship and Olympic level after the 1993 World Championships in Athletics – Qu Yunxia being the final gold medal winner at the event. Starting with the 1995 World Championships in Athletics and the 1996 Olympic Games,