Ultra-triathlon Ultra-triathlon An ultra-triathlon is a long-distance triathlon. The term generally refers to all triathlon events of distance greater than the Ironman Triathlon. Thus, every ultra triathlon event must involve more than of swimming, of cycling, and a full marathon () of running. The most common distances are the double, triple, quadruple, quintuple and deca triathlon. Unlike a standard triathlon event, an ultra-triathlon event may not necessarily involve the three component disciplines of triathlon (swimming, cycling and running) in direct consecutive order, but may instead consist of multiple consecutive individual triathlons performed on consecutive days. The IUTA is the official governing
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