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
United States Olympic Trials (track and field) United States Olympic Trials (track and field) The United States Olympic Trials for the sport of track and field is the quadrennial meet to select the United States representatives at the Olympic Games. Since 1992, the meet has also served as the year's USA Outdoor Track and Field Championships. Because of the depth of competition in some events, this has been considered by many to be the best track meet in the world. The event is regularly shown on domestic U.S. Television and covered by a thousand members of the worldwide media. As with all Olympic sports, the meet is