Ironman Wisconsin
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IRONMAN Wisconsin
IRONMAN Wisconsin is a full-distance triathlon held in Madison, Wisconsin on September 13, 2026. The race finishes in view of the Wisconsin State Capitol and is organized by IRONMAN.
The course includes a lake swim, a transition through the Helix, a rolling and hilly bike course that passes through the Verona Festival area, and a hilly run that goes through downtown and under the lights of Camp Randall Stadium. Published conditions for the event note an average water temperature near 21 °C, typical high air temperatures around 25 °C, and lows near 13 °C.
The event is one of the longest-standing IRONMAN races in North America and is the first North American qualifier for the 2027 IRONMAN World Championship. In recent athlete surveys, IRONMAN Wisconsin received high placements in several categories including Best Swim and Most Recommended.
Spectator presence is a notable feature, with festival-like crowds reported along the course and a finish experience centered on the State Capitol. The race route and local event elements produce a strong community atmosphere throughout swim, bike, and run segments. Visit the organization's website for the most recent information.