Triathlon is an endurance sport that combines swimming, road cycling and distance running, performed in that order.
Events are conducted over a variety of distances but the ‘Olympic distance’ for men and women is a 1,500-metre swim, 40km bike rideand 10km run.
The sport developed in the United States during the 1970s and became part of the Olympic programme at the Sydney 2000 Games, when more than half a million spectators lined the city streets to cheer the athletes.
As well as individual men’s and women’s events an exciting development for Tokyo 2020 is the inclusion of a new mixed relay, with teams of two men and two women competing over a short-course triathlon (300m swim, 8km bike, 2km run) before tagging a teammate to set off.
National Federation: Triathlon Ireland
International Federation: International Triathlon Union