Ultra-triathlon body of 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
Ironman Triathlon a Half Ironman, consists of a swim, bike ride, and run. As with the Ironman series, it consists of a number of qualifying races at various locations worldwide, culminating in a world championship race with athletes drawn largely from top finishers in the qualifying events. For amateur athletes, some 70.3 events acted as qualifiers for the full Ironman World Championships in Hawaii. However, the 2015 qualifying year marked a large de-emphasis on using selected Ironman 70.3 series races as an avenue for amateur athletes to qualify for the Ironman World Championships. The change was made to accommodate for the increased