Ironman World Championship Kona
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IRONMAN World Championship : Kailua-Kona, Hawaii
The IRONMAN World Championship takes place in Kailua-Kona, HI on October 10, 2026. The event is by qualification only and brings together professional and age group triathletes in a single race day with men and women competing together.
The race covers the full IRONMAN distance of 140.6 miles / 226 km across three disciplines. Course details include an ocean swim in Kailua Bay, a bike course along the Queen Kaʻahumanu Highway through volcanic terrain, and a run that finishes on Ali’i Drive. The bike and run are described as rolling terrain.
Environmental conditions noted for the event include warm air and water temperatures and potential crosswinds. Representative temperatures listed are a high air temperature of 86 °F / 30 °C, a low air temperature of 75 °F / 24 °C, and an average water temperature of 79 °F / 26 °C.
The event is organised by IRONMAN and includes related race week activities and community events for participants and supporters. Race logistics such as qualifying slots, event schedule, and course rules are managed through the IRONMAN event programme. Visit the organization's website for the most recent information.