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 32 exciting races across the region. Find your next race in Wisconsin below and join the running community at these great events!
June 2026
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.
A multi-format adventure race at Mt Telemark Village in Cable, Wisconsin offering 5 hour, 12 hour and 24 hour options featuring navigation, mountain biking and paddling. Registration runs from November 1, 2025 to January 11, 2026.
Multiformat triathlon at Pleasant Prairie RecPlex on June 28, 2026, with swims in Lake Andrea, bike courses through village roads and run routes on paved and gravel paths in Prairie Springs Park.
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 17 miles triathlon of bike, canoe or kayak, and run in Black River Falls, Wisconsin on July 4, 2026. The inaugural memorial event honors Mitchell Red Cloud Jr. and is open to participants aged 18 or older.
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.
A paddle triathlon on July 25, 2026 offering solo tandem and relay classes, staggered paddle starts every 30 seconds, a mixed trail and road run, and an after party at the Hayward Curling Club with proceeds benefiting the 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.
A multi format triathlon at Ottawa Lake State Park on July 26, 2026 offering sprint and Olympic distances as individual and relay events, plus a Wisconsin Triathlon Series entry; published fees and registration dates are provided.
August 2026
A women's multisport event on August 9, 2026, in Pleasant Prairie, WI offering sprint triathlon, duathlon, relay and para sprint options. Registration runs November 17 to December 1, 2025, with fees from $95 to $190.
Waupaca Area Triathlon is a multi format weekend at Shadow Lake and downtown Waupaca on August 14 to 15, 2026. Events include swim bike run races, paddling options, youth and kids races, and relay entries.
A sprint triathlon in Cable, Wisconsin on August 15, 2026 featuring a 750 meter swim, a 12 mile bike and a 5 kilometer run. Individual and relay divisions are offered and the event supports the planned Telemark Activity Center.
A sprint triathlon at Belleville Community Park on August 23, 2026, with individual, relay and series entries. Distances include a 400 m swim, a 16 mile bike and a 5 km run.
Experience the excitement of the Bell Swim Run Festival at Atwater Beach. This multi sport event features swimming and running segments across three distinct age categories on the scenic Lake Michigan shoreline.