Indoor triathlon Indoor triathlon An indoor triathlon is a nonstandard variation of the triathlon and consists of three events: swimming, cycling, and running. The swim is held in an indoor pool, the cycling takes place on stationary bikes, and the run takes place on an indoor track or treadmill. Indoor triathlons are generally held in fitness clubs to accommodate all three sports. In some competitions participants are judged by the distance they travel in each event in a set amount of time. Times can vary between races. On other occasions, the triathlon is conducted in the same manner as an outdoor triathlon
USA Triathlon programs. On the elite level, USA Triathlon is responsible for the selection and training of teams to represent the United States in international competition, including the world championships, Pan American Games and Olympic Games and Paralympic Games. It conducts national camps and clinics and provides coaching education programs. On the developmental level, USA Triathlon fosters grassroots expansion of the sport, which is facilitated by the sanctioning of age-group events and triathlon clubs. National Championship events are held for athletes of all ages, including youth and junior athletes. USA Triathlon's marquee event each year is its Age Group National Championships, held