Wisconsin
Wisconsin Triathlon Calendar 2026-2027
Monthly updates for Wisconsin
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Explore the best triathlons in Wisconsin for 2026-2027! Our updated list features 34 exciting races across the region. Find your next race in Wisconsin below and join the running community at these great events!
May 2026
A multi-discipline race day at UW-Whitewater on May 3, 2026, with triathlon, aquabike, and duathlon options across SuperSprint, Sprint, and Olympic distances. Relay teams and PARA divisions are included, with a new youth SuperSprint award for 2026.
Participants can reserve adaptive equipment for the Goody Duathlon in Pulaski. Available options include race chairs, tandem trikes, and side by side bikes to support athletes during the event.
A 19 mile triathlon at Flater's Resort in Holcombe Wisconsin combining a 3 mile run, 10 mile paved bike ride, and 6 mile canoe or kayak downriver. Solo, team, and relay formats are offered and the event is chip timed.
A multi-discipline triathlon in Boulder Junction on May 16, 2026, featuring a 3 km paddle, a 22 km paved bike course, and a 6 km run on roads and a forest trail. Age-group awards, a relay option, and included race amenities are provided.
A community event on May 16, 2026 featuring a duathlon, a 5K color fun run/walk, and a free youth color run, with paved and non-paved courses, safety rules for cycling, and proceeds supporting Jackson In Action.
June 2026
A USA Triathlon sanctioned weekend at Coconut Cove RV Resort featuring a lake swim, hilly bike on Grant County roads, and a rolling run around the lake. Proceeds support glioblastoma research at the University of Iowa Hospitals and Clinics.
A sprint triathlon at Sandy Beach Park in Lake Mills, Wisconsin on June 7, 2026, offering individual and relay entries plus a Wisconsin Triathlon Series option. Distances include a 400 m swim, 16 mile bike, and 5 km run.
A multi-discipline event at Fox Brook Park in Brookfield, WI featuring a 1000m aquathon with a 5k run, open water swims of 1500m and 500m, and a 5k run or walk using a 500 meter swim loop and lakeside paved path.
A one-day triathlon in Verona, Wisconsin on June 27, 2026 offering sprint and Olympic individual and relay races plus a series entry. Registration opens October 9, 2025 and closes October 18, 2025.
Stubborn Mule Adventure Race near Cable Wisconsin runs June 27-28, 2026 and offers 5 hour, 12 hour and 24 hour courses. The choose-your-own-adventure format includes navigation, biking and paddling across time-based race options.
A multi-discipline event at Prairie Springs Park on June 28, 2026, featuring swim in Lake Andrea, bike routes through Pleasant Prairie, and run on paved and gravel paths. Multiple individual, relay, collegiate, and para race options are offered.
A fully supported sprint triathlon at Duck Creek Quarry Park featuring a 750 m swim, 15.5-mile bike, and out-and-back 5k run, with race apparel, a finisher medal, a 2026 beach wristband, and a 400-participant cap.
July 2026
A community triathlon at West Side Beach, Oconto Falls, combining a short paddle, a bike on rolling roads, and a 5K run. Three waves accommodate competitive racers, e-bike/SUP users, and explorers; participation medals and age-group awards are offere..
A multi-format triathlon on the Door County Peninsula near Egg Harbor, Wisconsin, held July 11 to 12, 2026. Race options include Sprint, Olympic and a Double Door combination for individuals, with a separate kids race of variable distances.
At Chandler Park in Pardeeville WI on July 11, 2026, the Pardeeville Triathlon offers sprint individual and relay formats with a 400 m swim, 15 mile bike and 5 km run. A Wisconsin Triathlon Series entry is also listed.
Green Lake Triathlon on July 19, 2026 at Deacon Mills Park offers sprint and Olympic individual and relay races plus a Wisconsin Triathlon Series entry, with swim, bike, and run distances listed per format.
A multidistance triathlon in Oconomowoc, Wisconsin on July 25, 2026 featuring a swim in Lac La Belle, a bike through glacial countryside, and a run through downtown. Sprint, Olympic, Half Iron and relay options are available.
Tricky Trout Paddle Triathlon on July 25, 2026 offers paddle, bike and run legs with Solo, Tandem and Relay options. The event features staggered paddle starts, a partly off road trail run, and an after party at the Hayward Curling Club.
A triathlon in Merrill featuring a 2 mile paddle, a 17.5 mile bike, and a 5K run through local parks. Multiple divisions include solo, 19U, relay, tandem, and eBike, with awards for top finishers and community beneficiaries.
A lakeside race in Shell Lake, Wisconsin featuring concurrent sprint triathlon and duathlon formats around a 2,600-acre lake, with individual and team entries and medals for all participants.