IRONMAN 70.3 Wisconsin

About the Event

Experience the unmatched community spirit and iconic midwestern energy of IRONMAN 70.3 Wisconsin, where every athlete becomes part of a city-wide celebration. Set against the vibrant backdrop of Madison’s lakes and the roar of its famously supportive crowds, this event is far more than a 70.3-mile race. It’s a festival of endurance that unites first-time triathletes and seasoned pros alike with a shared purpose. You’ll conquer a challenging course that culminates in the unforgettable finish down State Street to the steps of the Wisconsin Capitol. It’s the pure magic of community, inclusion, and collective triumph that makes this race a bucket-list experience—a true testament to why Madison is hailed as one of the most welcoming cities in triathlon. Prepare for a weekend where every cheer lifts you and every mile transforms into a lifelong memory.

Races Offered

Ironman 70.3

Sep 12, 2026

straighten

Distance — 1.9 km 90.1 km 21.1 km

terrain

Type — —

timer

51 days remaining

Weather History

These values represent the 3-year monthly averages for September in Madison.

thermostat Temperature

14.5° / 24.0°

wb_sunny Feels like

13.5° / 23.1°

light_mode Avg sunshine hours

10h 27m

water_drop Avg rainfall

1.3 mm

ac_unit Avg snowfall

—

air Avg wind speed

10.2 km/h (Light breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (5.0)

humidity_mid Humidity

73.3%

wb_twilight Sunrise

06:37

nightlight Sunset

19:05

About Madison

Learn more about the host city, Madison.

Madison, the capital of Wisconsin, is situated on an isthmus between Lake Mendota and Lake Monona. As the anchor of the Greater Madison Area, it is home to the University of Wisconsin — Madison, one of the premier universities in the United States. It is a vibrant city known for its natural beauty, vibrant cultural scene, and academic excellence. Visitors can enjoy a variety of activities such as hiking, biking, and exploring the city's many museums and art galleries. The city is also known for its diverse and delicious food options.