The Ironman triathlon pushes human limits
The Ironman triathlon is a single-day, 140-mile endurance race combining swimming, cycling, and running, pushing athletes to their absolute physical and mental limits.
The Ironman triathlon is an extreme endurance challenge, combining a 2.4-mile swim, a 112-mile bike ride, and a 26.2-mile marathon run into one continuous event. Created in 1978 in Hawaii to settle a debate about the toughest athletes, participants must complete this grueling 140-mile course within 17 hours.
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