Ironman World Championship Kona
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IRONMAN World Championship - Kailua-Kona, Hawaii
The IRONMAN World Championship in Kailua-Kona is a qualification only, full-distance triathlon that brings together professional and age-group athletes. The 2026 event is scheduled for October 10, 2026 and returns to a single-day format with men and women racing together for the first time in this format since 2019.
The race covers the standard IRONMAN distance of 140.6 miles / 226 km and is composed of three consecutive disciplines. Water conditions are ocean based in Kailua Bay. The bike and run courses are described as rolling, with the bike route running along the Queen Kaʻahumanu Highway and the run finishing on Ali’i Drive.
Distances:
- 2.4 mile ocean swim
- 112 mile bike
- 26.2 mile run
Weather notes provided for the event indicate high air temperatures near 86 °F / 30 °C, low air temperatures near 75 °F / 24 °C, and mentions of heat, humidity, and crosswinds. The event is organized by IRONMAN and the race week includes additional activities listed under special events such as a fun run, training swims, IRONKIDS, a Parade of Nations, and other community and spectator events. Visit the organization's website for the most recent information.
