Find Events Find Results Ironman Wisconsin Sunday, September 7, 2025 Madison, Wisconsin Race Distances : Ironman Triathlon Race Types Event Details Join us at the Ironman Wisconsin in Madison, Wisconsin for a great event. Races: Ironman Triathlon. For additional event information (such as race start times, race course descriptions, race maps, race awards, race reviews, race registration, and other runner essentials), please visit the Ironman Wisconsin event website. Location Madison, WI Similar Events and Races Events By Race Distance: Ironman Triathlon Notice: Despite our best efforts, please note that race details can change at any time, and we may make a mistake. ALWAYS visit the event's website for the most complete and current race information.