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IRONMANSep

IRONMAN Wisconsin

Madison, Wisconsin, United States

/5
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The race

A long-standing North American classic: rolling dairy-country bike, big-crowd campus run and cool September air.

Course

SwimLake

Two-lap swim in Lake Monona, then the iconic run up the Monona Terrace helix into transition.

Bike1,500 m (4,921 ft) elev.

Two-lap "stick and loop" through the farmland of Verona — constant short, punchy rollers that add up fast.

Run200 m (656 ft) elev.

Two-lap run through the University of Wisconsin campus and around the Capitol Square, with a few sharp ramps.

Historical weather · Sep

Actual monthly averages from the last 3 years (Open-Meteo). Real race day may vary.

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Water temp uses athlete-reported values first, then official race data, then the marine archive (sea swims, measured at the nearest offshore point). Values tagged est. are modelled from recent air temperature for lakes and rivers, where no observational data exists.

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