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 28 exciting races across the region. Find your next race in Wisconsin below and join the running community at these great events!
February 2026
Join the Tri Faster Indoor Triathlon at Wisconsin Athletic Club in Greenfield on Feb 15 for a fast paced indoor swim bike run for ages 12 to 100. Enjoy race swag, refreshments and club amenities while vying for age group prizes.
April 2026
The Stubborn Fool Adventure Race is a choose your own route adventure near Black River Falls WI with solo and team divisions. Use map and compass to find hidden checkpoints on forest trails and gravel roads and pick your fastest route.
May 2026
Kick off spring in Whitewater on May 3, 2026 with the J Hawk Earlybird Race Series, offering triathlon, aquabike, duathlon and relay options for all levels. Hosted at UW Whitewater, the event supports youth swim lessons and a youth swim team.
Join Pace and Pedal on May 16 in Black River Falls, Wisconsin for a fun day of running, biking and color runs for all ages. Proceeds benefit Jackson In Action and options include a duathlon, 5K color run and youth mile.
Kick off the Wisconsin Triathlon Series in Lake Mills on June 7 with a fast, flat sprint triathlon featuring a 400 meter swim, 16 mile bike and 5K run. Race solo or team up in a relay for medals, a race tee and pro timing on a scenic lakeside course.
Make a splash at Tri Faster SwimRun on June 17 at Fox Brook Park in Brookfield, WI. Swim 500 m, 1000 m Aquathon with a 5k run, or 1500 m open water swim around a scenic 25 acre lake, with post race snacks and awards.
Race the Wisconsin Triterium Triathlon in Verona, featuring multi loop sprint and Olympic distances at Fireman's Park. Part of the seven race Wisconsin Triathlon Series, with relay and individual entries, pro timing, swag, and digital photos.
Join the 16th annual Stubborn Mule Adventure Race near Cable, Wisconsin on June 27 and 28 for a choose your own adventure of navigation, biking and paddling. Pick 5, 12 or 24 hour options and test your skills in this USARA sanctioned event.
Pleasant Prairie Triathlon offers sprint, Olympic, duathlon and relay races around spring fed Lake Andrea in Prairie Springs Park. As the USAT Wisconsin State Championship it includes Age Group Nationals qualification and race swag.
Take on the Duck Creek Triathlon in Howard WI for a scenic sprint or relay with a quarry swim, rolling bike and out and back 5K. Capped at 400 athletes and supporting Greater Green Bay YMCA, it promises a friendly, polished race day.
July 2026
Join the Oconto Falls Dri Tri at West Side Beach for a river paddle, scenic bike on rolling roads and a 5K finish on trail and road. Three waves, gear rentals, medals and a post race meal welcome racers and explorers.
Race the Door County Triathlon in Egg Harbor on July 11 and 12 with Sprint, Olympic, Double Door and a kids event. myTEAM TRIUMPH pairs ANGEL guides with CAPTAIN athletes and has a Photo Circle for race photos.
Race the historic Pardeeville Triathlon on July 11, 2026, a spectator friendly sprint around scenic Park Lake and through the charming town of Pardeeville. Enjoy a quarter mile swim, 15 mile bike and 5K run with community support and a finisher medal..
Join the 27th annual Green Lake Triathlon on July 19, a scenic stop on the Wisconsin Triathlon Series offering sprint and Olympic distances for individuals and relays. Enjoy a calm lake swim, rolling bike roads and a lakeside run plus race shirt, fin..
Join Tri Faster SwimRun Race #2 at Fox Brook Park on July 22, 2026 for open water swims and a fast flat 5k loop around a scenic lake. Distances from 500 m to 1500 m and aquathon entries welcome swimmers and runners of all levels.
Take on sprint, Olympic or Half Iron distances and relays around scenic Lac la Belle in downtown Oconomowoc. Enjoy rolling bike roads, a lakeside out and back run, and a custom finisher medal and shirt.
Take on the Tricky Trout Paddle Triathlon for a unique paddle, run and bike challenge with Solo, Tandem and Relay classes. Race scenic waters and trails while supporting the Hayward Curling Club as proceeds benefit the club.
Triing for a Cure Triathlon returns July 26, 2026 at Ottawa Lake State Park for scenic sprint and Olympic courses in the Southern Kettle Moraine. Expect pro timing, finisher medals and free race photos.