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 35 exciting races across the region. Find your next race in Wisconsin below and join the running community at these great events!
July 2026
Experience a unique multi sport event featuring paddling, cycling, and trail running through scenic terrain. Compete solo or form a team for this community focused race that concludes with a celebration at the Hayward Curling Club.
A multi discipline triathlon in Merrill, Wisconsin on July 25, 2026 featuring a 2 mile paddle, a 17.5 mile bike on the River Bend Trail, and a 5K trail run. Multiple divisions include solo, 19U, relay, tandem, and eBike categories.
The Shell Lake Sprint Triathlon and Duathlon offer a classic multi-sport challenge in a scenic lake setting. Choose between a swim-bike-run triathlon or a run-bike-run duathlon, with individual and team options available. All finishers receive a meda..
This triathlon is part of the Wisconsin Tri Series and takes place at scenic Ottawa Lake State Park. It offers both sprint and Olympic distances, with individual and relay options. Participants receive a shirt, medal, and timing in the Southern Kettl..
This multi-day triathlon camp in Madison provides hands-on training on the official Ironman Wisconsin and 70.3 courses. Participants can expect coached swim, bike, and run sessions along with group meals and strategy discussions.
August 2026
Experience an empowering multi sport event at Prairie Springs Park featuring sprint triathlons and duathlons. Join a supportive community of women for a day of athletic achievement and camaraderie in Pleasant Prairie.
Event Details
The Waupaca Area Triathlon is a multi-sport event held in Waupaca, Wisconsin, taking place over two days. The main events occur on August 15, 2026, with a Kid's Triathlon scheduled for the evening of August 14, 2026. The event base is a..
A sprint triathlon in Cable, Wisconsin featuring a 750 meter swim, 12 mile bike and 5K run. Individual and relay divisions support the planned Telemark Activity Center through the Telemark Northwoods Community Foundation.
Experience the Sugar River Triathlon in Belleville with a quarter mile swim in Lake Belle View followed by a sixteen mile bike and five kilometer trail run. This sprint event features professional timing and finisher medals for all.
September 2026
Test your limits at the Wisconsin ANVIL Ultra Triathlon in Ottawa Lake State Park. Experience a unique looped course with constant crew access and 24 hour support in a community focused endurance environment.
Experience a memorable triathlon in Madison featuring a swim in Lake Monona and rolling bike hills. Cross the finish line at the Wisconsin State Capitol after navigating the iconic spiral helix transition at Monona Terrace.
This classic IRONMAN event in Madison features a lake swim, rolling bike, and hilly run, culminating at the Wisconsin State Capitol. The course passes through the Helix, Camp Randall Stadium, and a festive area in Verona.
Event Overview
Arise & Run is a duathlon, described as a foot and pedal event, taking place in Denmark, Wisconsin. The event offers several participation formats and a separate fun run.
Events and Distances
Participants can choose from four event..
A scenic sprint triathlon concludes the Wisconsin Triathlon Series in Baraboo. Athletes swim in Devil's Lake, bike through the bluffs, and run along park roads. The event offers individual and relay options for a full racing experience.
Race the Kiel Raider Nation Triathlon on September 20, 2026 at Kiel High School with sprint and aquabike options, a 5K and kids races for all ages. Family friendly and community focused, proceeds benefit the Kiel High School Booster Club.