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 19 exciting races across the region. Find your next race in Wisconsin below and join the running community at these great events!
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.
W.I.L.D. Hodag Mini Triathlon in Rhinelander, Wisconsin on August 22, 2026 features a 300 yard swim or 1/2 mile kayak, a 10K off road bike and a 5K run. Proceeds support W.I.L.D. youth leadership programs.
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.
A swim-run aquathon in Milwaukee on August 29, 2026 with three age groups: 8-10, 11-14, and 15 and older. Each race covers 1 mile at 1701 E Capital Dr.
September 2026
Multi-format ultra triathlon at Ottawa Lake State Park in Dousman, WI, featuring short repeat loops, on-course aid and crew access, multiple race and relay options.
A Madison triathlon featuring a Lake Monona swim, a rolling bike course and a hilly run that finishes by the Wisconsin State Capitol on September 12, 2026.
A multi-format triathlon at Fontana Beach on Geneva Lake offering Olympic, Sprint, relay, and collegiate sprint races. Events include lake swims, bike routes through rolling hills, and run courses through Fontana streets and parks.
A self supported adventure triathlon in Iola, WI featuring a 2 mile trail run, 7 mile gravel bike ride, and 2 mile paddle for individuals or 3 person relays.
A nonprofit fundraiser in Chippewa Falls featuring a triathlon with run bike and paddle legs, two 5K options, and a children’s one mile loop, with kayak and canoe rentals available first come first served.
Full-distance IRONMAN in Madison featuring a lake swim, rolling bike course and hilly run that finishes at the Wisconsin State Capitol and serves as a 2027 Worlds qualifier.
A sprint triathlon in Kewaskum on September 13, 2026 featuring a 5K run, a 2 mile kayak on the Milwaukee River and a 13 mile bike through Kettle Moraine. Individual and 2 to 3 person relay options are available plus a 1 mile youth run.
Rise & Run in Denmark, WI combines a run-bike-run duathlon with individual and two or three person relays plus a free one mile fun run where leashed dogs and strollers are allowed; proceeds support Arise missions.
A triathlon at Devil's Lake in Baraboo, Wisconsin on September 20, 2026, offering sprint individual, sprint relay, and a Wisconsin Triathlon Series entry. Distances include a 400 m swim, a 15 mile bike, and a 5K run.
A multi-format community event at Kiel High School featuring full and short sprint triathlons, aquabike options, team relays, a Kid's Triathlon, and a 100 yard Raider Dash, with concessions on site and proceeds to the Kiel High School Booster Club.
Single day multi-format races at UW-Whitewater featuring triathlon, duathlon and aquabike distances. Online only registration, relay options, a new youth supersprint award and limited Olympic entries.
November 2026
An indoor triathlon at the RecPlex combining a timed swim, spin bike, and treadmill run with equal-weight scoring, medals for finishers, and a $40 online registration fee; wave assignments and swim-lane details are provided before race day.
June 2027
A multi-format triathlon and duathlon at Pleasant Prairie RecPlex and Prairie Springs Park on 27 June 2027 featuring sprint and Olympic distances, relays, a para sprint, collegiate races, and a charity team option.