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
World Triathlon Corporation As a result, Challenge terminated its contract with USM and Challenge Cairns subsequently became Ironman Cairns. The purchase of USM Events expands WTC's Asia-Pacific triathlon market. The purchase would have placed WTC into International Triathlon Union racing with the Sydney WTS race, but government officials in New South Wales took the option of not extending an agreement to continue staging the Sydney event due to the ongoing logistical and financial investment required. In June 2013, WTC purchased YWC Sports, a private company that organizes triathlons and endurance sport events in Denmark. YWC Sports was contracted by the Challenge Family to