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
Triathlon equipment Triathlon, USAT and ITU do not specifically disallow snorkels. British Triathlon does not list snorkels as part of the accepted equipment, thus they are disallowed. For safety reasons in open-water events, some federations permit special inflatable flotation devices; though activating the device will usually disqualify the swimmer, it can be used to float if the swimmer experiences difficulty. Because most triathlon swim stages are conducted in open waters (lakes, rivers, or oceans) which are often cold, many early races allowed wetsuits. However, typical wetsuits manufactured for snorkeling or water skiing are not optimal for triathlon, because the sleeves generally restrict