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
Indiana University Natatorium six underwater windows for television and coaching analysis. There are approximately of water in the main pool. There have been 101 American records and 15 world records set in the pool to date. The diving well of the Natatorium has hosted many local and national diving events, including the 2008 Olympic trials. The diving well has a depth of over and holds more than of water. It has four 1-meter and four 3-meter boards as well as five diving platforms of 1, 3, 5, 7.5 and 10 meters in height. The pool is kept at approximately . There are also