About the Ironman
The Ironman is a triathlon challenge which consists of the following 3 events combined into one big endurance challenge: 3.8km swim, 180km bike and 42.2km run. The time is taken from the swim start till the athlete crosses the finish line after the 42.2km Marathon.
The Distance to Overcome
The total distance of such a challenge in miles and km
In some of the events the distance may vary slightlyTry our awesome Average Speed Calculator
Pick your next Ironman race here, follow the links and then add it to your My Events Calendar.
40 Ironman events in 2017 world-wide