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
One Lap of America at a time) without the benefit of support crews. The field of competitors is divided into several classes based primarily on original manufacturers suggested retail prices and number of doors. Competitors may make any modifications to their vehicles as they see fit but must run on a single set of tires, typically provided by the race sponsor, throughout the entire event, and vehicles must remain street legal with the modifications. Race track events are time trials with up to eight cars on track at a time. Competition is for fastest time rather than wheel-to-wheel racing. The first One Lap in