USA Triathlon is the National Governing Body for triathlon, duathlon, aquathlon, aquabike, winter triathlon, off-road triathlon, paratriathlon and indoor and virtual multisport events in the United States. Founded in 1982, USA Triathlon sanctions more than 3,500 events and has more than 300,000 unique active members, making it the largest multisport organization in the world. In addition to its work at the grassroots level with athletes, coaches and race directors — as well as the USA Triathlon Foundation — USA Triathlon provides leadership and support to elite athletes competing at international events, including World Triathlon World Championships, Pan American Games and the Olympic and Paralympic Games.
usatriathlon.org