Ironman Wisconsin 2026
Monday, September 14, 2026 7:00 PM Registration fees vary by event and location. Monona Terrace 1 John Nolen Dr, Madison, WI, 53703 http://www.ironman.com/
The Ironman Wisconsin 2026 is part of the IRONMAN® Triathlon Series, recognized as the leading full-distance triathlon series globally. The event features a 2.4-mile (3.8 km) swim, a 112-mile (180 km) bike ride, and a 26.2-mile (42.2 km) run, testing the endurance and resilience of participants. Established in 1978, the series has expanded to include over 30 qualifying races across more than 20 countries, making it a significant event in the endurance sports calendar.