The triathlon is one of the new sports that will be competed for in Sydney in 2000. The triathlon is related to the international union of the modern pentathlon and the biathlon, and has only existed for about thirty years, but has become increasingly popular around the world. It involves three events: swimming, cycling and running.The triathlon entered legend in Hawaii in 1978 with the creation of Ironman. The effort required of athletes is almost superhuman.In the games the athletes, both men and women, will have to race by swimming the Olympic length, that is 1500 m, cycling 40 km and running 10 km. The triathlon was the first of the Olympic events in Sydney in order to give the new sport prominence. The Canadian Simon Whitefield and the Swiss Brigitte Mc Mahon won the first two Olympic gold medals in this discipline.