Wisconsin
Wisconsin Triathlon Calendar 2025-2026
Explore the best triathlons in Wisconsin for 2025-2026! Our updated list features 20 exciting races across the region. Find your next race in Wisconsin below and join the running community at these great events!
June 2025
The Tri Faster SwimRun - Race #2 is an exciting multi-sport event taking place at Fox Brook Park in Brookfield, WI. Participants can choose from various events, including a 1000m swim followed by a 5k..
The Wisconsin Triterium Triathlon is an annual event held at Fireman's Park in Verona, Wisconsin, as part of the Wisconsin Tri Series. This triathlon caters to all levels of athletes, offering both sp..
The Pleasant Prairie Triathlon, scheduled for June 22, 2025, offers a vibrant and inclusive race experience at Prairie Springs Park in Pleasant Prairie, Wisconsin. Participants can choose from various..
The Mind Over Matter Triathlon is a USA Triathlon sanctioned event taking place at Coconut Cove RV Resort in Hazel Green, Wisconsin, from June 28 to June 29, 2025. This triathlon serves as a fundraise..
The Duck Creek Triathlon, hosted by the Village of Howard, is set to take place in 2025 at Duck Creek Quarry Park. This exciting sprint triathlon features a 750-meter swim in Duck Creek Quarry, a 13.4..
July 2025
The Pardeeville Triathlon is a prominent event in the Wisconsin Tri Series, taking place annually in Pardeeville, Wisconsin. This triathlon features a spectator-friendly course that includes a 1/4-mil..
The Door County Half Iron Triathlon takes place in Egg Harbor, Wisconsin, on the scenic Door County Peninsula, known as the "Cape Cod of the Midwest." This event offers two race distances: a Sprint Tr..
The Tri Faster SwimRun - Race #3 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 Green Lake Triathlon is an annual event held in Green Lake, Wisconsin, as part of the Wisconsin Tri Series. This triathlon features both sprint and Olympic distance options, catering to participan..
The Lake Country Triathlon, taking place on July 26, 2025, in Oconomowoc, Wisconsin, is a premier endurance event celebrating its 10th anniversary. Participants can choose from various race formats, i..
The Black Squirrel Scurry Triathlon is an exciting multi-sport event scheduled for July 26, 2025, in Merrill, Wisconsin. Participants can choose from various categories, including solo and relay teams..
The Tri-ing for a Cure Triathlon is an annual event held at Ottawa Lake State Park in Dousman, Wisconsin, as part of the Wisconsin Tri Series. This triathlon caters to all levels of athletes, offering..
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
The Snapping Turtle Adventure Triathlon takes place in Iola, Wisconsin, featuring a unique combination of a 2-mile trail run at the Iola Winter Sports Club, a 7-mile gravel/hybrid bike ride to Iola Mi..
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..
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