What: The Wisconsin Triathlon Series is an annual series of seven races held throughout Wisconsin during the spring and summer months.
Distances: All races in the series offer sprint distance, while the Wisconsin Triterium, Green Lake, and Tri-ing for a Cure Triathlons also offer an Olympic distance.
Who: Whether you are new to triathlons or have been doing them for years, we have a race that suits you!
Events: This series plays host to seven events throughout the 2025 triathlon season. Choose to participate in one or as many events in the series as you’d like!
📅 Upcoming Events
Lake Mills Triathlon: Sunday, June 1, 2025 | Lake Mills, WI
Wisconsin Triterium Triathlon: Saturday, June 21, 2025 | Verona, WI
Pardeeville Triathlon: Saturday, July 12, 2025 | Pardeeville, WI
Green Lake Triathlon: Sunday, July 20, 2025 | Green Lake, WI
Tri-ing for A Cure Triathlon: Sunday, July 27, 2025 | Dousman, WI
Sugar River Triathlon: Sunday, August 24, 2025 | Belleville, WI
Devil's Challenge Triathlon: Sunday, September 14, 2025 | Baraboo, WI
📸 Join Us!
Participate: You can register for all 7 events with a series registration or you can bundle your 4 favorite events and save!
Photos: Come race with us in 2025! Share your photos with #witriseries