The Ironman competition is held in the sport of triathlon. It consists of three segments: a 2.4-mile (3.86 km) swim, a 112-mile (180.25 km) bike ride, and a full marathon of 26.2 miles (42.20 km). Athletes must complete the entire course within a specific time limit, usually around 17 hours. The Ironman is recognized for its extreme distance and demanding nature, attracting triathletes from around the world who seek to challenge their endurance and strength.