Triathlon fewer injuries than those who only use running as part of their exercise routine due to the incorporation of low impact swim and bike training. Triathletes spend many hours training for competitions, like other endurance event participants. There are three components that have been researched to improve endurance sports performance; aerobic capacity, lactate threshold, and economy. Injuries that are incurred from long hours of a single activity are not as common in triathlon as they are in single sport events. The cross-training effect that athletes achieve from training for one sport by doing a second activity applies to triathlon training.
International Triathlon Union chosen for the World championship and World Cup races were 1,500m swimming, 40km of bike and 10km of running, these parameters were chosen from existing distances in swimming, cycling and running disciplines in the Olympic Games. This triathlon distance has become known as the standard distance in the world of triathlon. In 1994 to have a long distance championship similar to Ironman Triathlon events but hosted by the sports governing body the Long Distance Triathlon World Championships was founded and in 1997 parity was brought to duathlon with the Long Distance Duathlon World Championships. Also in 1997 the first Winter