Wisconsin
Wisconsin Triathlon Calendar 2025-2026
Explore the best triathlons in Wisconsin for 2025-2026! Our updated list features 27 exciting races across the region. Find your next race in Wisconsin below and join the running community at these great events!
August 2025
The Tri Faster SwimRun - Race #4 is an exciting multi-sport event taking place at Fox Brook Park in Brookfield, WI. Participants can choose from various events, including an Individual Aquathon (1000m..
The Wisconsin Women's Triathlon, formerly known as Iron Girl, is an empowering event aimed at uniting women of all ages in a supportive environment focused on health and fitness. Scheduled to take pla..
The Waupaca Area Triathlon is set to take place from August 15 to August 16, 2025, at Shadow Lake in downtown Waupaca, Wisconsin. This exciting event features a variety of challenges, including Long C..
The Try Cambridge Tri is a sprint distance triathlon taking place in Cambridge, Wisconsin. Participants can compete as individuals or in relay teams, with the event featuring a 1/4 mile swim, a 13-mil..
The Sugar River Triathlon, part of the Wisconsin Triathlon Series, is an exciting sprint triathlon held in Belleville, WI. This event features a 1/4 mile swim in Lake Belle View, followed by a 16-mile..
September 2025
IRONMAN 70.3 Wisconsin is a premier triathlon event held in Madison, Wisconsin, featuring a scenic swim in Lake Monona, a challenging bike course through rolling hills, and a picturesque run along the..
The Devil's Challenge Triathlon is a scenic sprint triathlon held in Baraboo, Wisconsin, as part of the Wisconsin Triathlon Series. This event features a 1/4-mile swim in Devil's Lake, followed by a c..
