The sport of Triathlon may be relatively new to the Olympic Games – but from its very first appearance, it's proved hugely popular.
Held on an iconic central London course, the London 2012 competition should thrill fans, with British athletes such as the Brownlee brothers (Alistair and Jonathan) and Helen Jenkins in with a very real chance of winning gold.
Find out more about the sport and learn how you can become a triathlete – at your own level.
