Trail Running Calendar Wisconsin 2025-2026

We have found 52 Trailruns in Wisconsin. Check below where and when you can find the races.

Embrace winter on a scenic Northwoods course at the Himanaji Winter Challenge, a spirited 5.1 km snowshoe race. Enjoy crisp trails, friendly competition, and a great outdoor community vibe.

Run or skate across frozen Lake Mendota at the Frozen Assets 5K, starting and finishing at The Edgewater hotel. Enjoy skyline and UW campus views while taking part in a chilly festival favorite, with options for walkers, runners, and skater..

Take on ARKTOS Feb 28 to Mar 1 2026, a winter loop ultra in Wisconsin's Southern Kettle Moraine. Run solo or with a team of up to 4 in 6 Hour, 12 Hour or 20 Hour timed loops for cold weather challenge and community fun.

March 2026

Run a rugged 5K through maple woods in syrup season, following ribbons across steep logging roads and deer paths. Pick the Foodie 5K with maple snack stops and post race wood fired pizza and live music or the Last Person Standing challenge.

Trailbreaker : March 29, 2026, Waukesha, WI The Trailbreaker is scheduled for March 29, 2026, in Waukesha, WI, with the main venue at the Schuetze Recreation Center / Frame Park Baseball Stadium. The event has been hosted by the Park Founda..

April 2026

Run the NK50k in Greenbush, Wisconsin on April 11, 2026. Choose 50K or 25K point to point routes across rolling ski tracks, rocky Ice Age Trail sections and lofty ridgelines, with aid stations, shuttle service and post run food; expect to b..

Experience early spring trails at the Iola Spring Trail Race in Iola, Wisconsin with a flowing 5k or a bold 15k that climbs to the ski jumping hill. Expect singletrack and ski trail terrain, post race food in the Chalet and a free kids 1k i..

Run scenic single track on the Ice Age Trail near New Auburn with choices from a 10K to a 50K and two person 50K relay. Expect lake views, varied terrain and full support at aid stations for a classic Wisconsin trail experience.

Run under the stars at Moonlight Meltdown on April 25 in Belgium WI, with chip timed 5k road and a Sunset Safari 10k including a trail through Harrington Beach State Park. Shirts, post race food and a finish party at KYOTES.

May 2026

WausaUltra in Wausau, WI from May 1 to 3 features a scenic 4.167 mile loop with rolling climbs, single track and creek crossings. Choose Solo, Double or Limitless last runner standing for a unique challenge and friendly basecamp vibe.

Test your limits on scenic loops through Southern Kettle Moraine at the Prickly Pine Jackpot 24 Hour in Dousman, WI. Choose 3, 6, or 9 mile loops for 6, 12 or 24 hour solo and relay races and chase a cash jackpot for top finishers.

Run rolling prairie, single track and sandy hills at the Donald Dash in Donald County Park near Mount Horeb, WI. Choose 5 km or 15 km and support Friends of Donald Park as proceeds fund trail upkeep.

Popple Shoot Trail Races in Minong, Wisconsin on May 9, 2026 offer trail runs from 10K to 87K across the scenic Wild Rivers Trail and ATV routes. Choose your challenge and enjoy rugged singletrack, supportive aid stations and campground fin..

Rumble on the Ridge is a Last Person Standing run where runners repeat The Drifty Mile loop of about 1 to 1.25 miles with 250 ft of climb and a 20 minute cutoff. The course changes yearly and direction flips every four hours.

Join the Sugar Badger 50/50 and Half in Belleville, WI for flat, scenic out and back runs on the Badger State and Sugar River State Trails with 50 mile, 50K and half marathon options. Expect trestle bridges, a quarter mile tunnel, aid stati..

The Dormie Challenge: 12-Hour and 6-Hour Ultra Marathon The Dormie Challenge takes place on Saturday, May 30, 2026, in Stevens Point, Wisconsin. The event offers two timed ultra marathon options: 12-hour and 6-hour. The course is a 1.01-squ..

Run the Tomorrow River Trail Half Marathon from Plover to Amherst, Wisconsin, with over nine miles on a scenic river trail and a festive finish at Central Waters Brewing Co. Trail views and brewery celebration await.

June 2026

Backyard Nonsense on June 6, 2026 invites runners to scenic trails at Richard Bong State Recreation Area with rolling hills and lakeside sections. Enjoy a welcoming community and choose timed options from 3 hour to a full 24 hour ultra.

Join the 17th annual Crossroads Trail Run & Walk at Big Creek Nature Preserve in Door County for scenic 2K, 5K and 10K courses. All participants receive a native tree and post race snacks while supporting conservation and outdoor education.

Kettle Moraine returns June 13 and 14 2026 in LaGrange Wisconsin, offering 100 mile, 100K and shorter trail distances with plenty of Ice Age Trail scenery. The 100 mile serves as a Western States qualifier, making this a prime summer ultra.