Middle-distance running Middle-distance running Middle-distance running events are track races longer than sprints, up to 3000 metres. The standard middle distances are the 800 metres, 1500 metres and mile run, although the 3000 metres may also be classified as a middle-distance event. The 1500 m came about as a result of running laps of a 400 m outdoor track or laps of a 200 m indoor track, which were commonplace in continental Europe in the 20th century. A very uncommon middle-distance event that is sometimes run by sprinters for muscle stamina training. This was a popular distance, particularly indoors, when imperial distances
2012 United States Olympic Trials (track and field) that a leading athlete did not hold an "A" standard, or an athlete withdrew, the next highest finishing athlete with an "A" standard was selected instead. The trials for the men's and women's marathon were held January 14 in Houston and the trials for the men's 50 km race walk were held January 22 in Santee, California. The hammer throw competitions were held at the Nike facility in Beaverton, Oregon. Key: Key: 2012 United States Olympic Trials (track and field) The 2012 United States Olympic Trials for track and field were held at Hayward Field in Eugene, Oregon. Organized by