Madison

IRONMAN 70.3 Wisconsin

SEP
12
2026
Experience a memorable triathlon in Madison featuring a swim in Lake Monona and rolling bike hills. Cross the finish line at the Wisconsin State Capitol after navigating the iconic spiral helix transition at Monona Terrace.
Sat 12 Sep 2026
Madison, Wisconsin
Website
Swim Run Bike

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IRONMAN 70.3 Wisconsin

IRONMAN 70.3 Wisconsin is a triathlon event held in Madison, Wisconsin. The course takes participants through a variety of terrain and local landmarks, starting with a swim in Lake Monona. Following the swim, athletes transition to the bike portion of the race.

The bike course features rolling hills, leading into a run that includes hilly sections. One specific architectural feature of the event is the legendary helix transition, where athletes move through the spiral of the Monona Terrace. The run course takes participants along the Madison waterfront and concludes with a finish line set against the backdrop of the Wisconsin State Capitol.

Average environmental conditions for this event include:

  • Average water temperature: 75 °F / 24 °C
  • High air temperature: 52 °F / 17 °C
  • Low air temperature: 34 °F / 7 °C

The event is designated as a 2027 IRONMAN 70.3 World Championship Qualifier. It is open to various participation levels, including age group athletes and relay teams. Accommodation options are available within the host city, and the event includes several activities such as local TriClubs and a VIP experience. Visit the organization's website for the most recent information.

13 mi
Run
Swim
Bike

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