Indoor triathlon a low cost, fun, safe and unstressful way to initiate newcomers to the sport of triathlon. These races sold out quickly, and the series expanded to other universities and the Ontario InterUniversity Triathlon Association (OITA) was born to oversee it. As triathlon's popularity grew in the 90s, other indoor triathlon races began appearing across North America and the world using a similar format to the OITA races. 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
International Triathlon Union Triathlon World Championships was held giving the sport of winter triathlons its own world championship. Then in 1998 the Aquathlon World Championships were inaugurated giving aquathlon its own world championship. In 2009 the Triathlon Mixed Relay World Championships was held to organise an elite level international relay. The most recently created tournament is the Cross Triathlon World Championships similar to the long distance it was created to allow the sports governing body to have a world championship instead of XTERRA Triathlon. The world championship events organised by the ITU include: International Triathlon Union The International Triathlon Union (ITU) is the