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
Marathon swimming marathon swims: (1) across the English Channel, (2) between Catalina Island and the mainland in Southern California, USA, and (3) around Manhattan Island in New York City, USA. The Ocean's seven is a collection of seven channel swims: (1) North Channel between Ireland and Scotland, (2) Cook Strait between the North and South Islands of New Zealand, (3) Molokai Channel between Oahu and Molokai Islands in Hawaii, (4) English Channel between England and France, (5) Catalina Channel between Santa Catalina Island and Southern California, (6) Tsugaru Strait between the islands of Honshu and Hokkaido in Japan, and (7) Strait of