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
Ironman Triathlon Island became The Ironman World Championship. In 1983, admission to the race began following a qualification based system, whereby athletes had to obtain entry to the race by competing in another Ironman race and gaining a slot, allocated on a proportional basis. The Hawaii race consists of a swim in the bay of Kailua-Kona, a bike ride across the Hawaiian lava desert to Hāwī and back, and a marathon run along the coast (from Keauhou to Keahole Point and back to Kailua-Kona); finishing on Alii Drive. The most recent Ironman World Championship took place on October 14, 2017 and was