The Wisconsin Triathlon Series is back for another exciting season in 2026!

This seven-race series runs across Wisconsin throughout the spring and summer, welcoming athletes of all experience levels.

Every event features a sprint distance, while the Wisconsin Triterium, Green Lake, and Tri-ing for a Cure Triathlons also offer Olympic distance options.

Whether you’re brand new to the sport or a seasoned triathlete, there’s a race for you!

Among the highlights of the series is the Tri-ing for a Cure Triathlon, the fifth race in the lineup. Celebrating its 18th year, this inspiring event will be held at Ottawa Lake State Park in the beautiful Southern Kettle Moraine Forest. The sprint distance features a ¼-mile swim in Ottawa Lake, followed by a 15-mile bike ride and a flat 5K run. The Olympic distance includes a 1500-meter swim, a 40K bike ride, and a 10K run through scenic park roads.

Whether you’re chasing a personal best or racing for a cause, Tri-ing for a Cure offers an unforgettable race-day experience in one of Wisconsin’s most picturesque settings.

Join us in 2026 for a season full of racing, community, and personal achievement!