Trail Running Calendar Wisconsin 2026-2027

Test your endurance at Prairie du Chien's first backyard ultra featuring a 4.167 mile trail loop through La Riviere Park. Run one lap every hour until only one participant remains or enjoy a relaxed one lap fun run.

Trail running and mountain bike races at the Underdown Trail near Merrill, WI feature multiple distances on well marked singletrack with boardwalks, aid stations, awards, and a postrace gathering with music.

A community 5K and a kids 1 mile fun run at Token Springs Elementary on 08/15/2026. The mostly bike-path out and back course runs through The Reserve neighborhood and supports the Sun Prairie West Cross Country Team.

A fundraising event for Special Olympics on August 15, 2026 at Lake Antoine County Park. Multiple run, walk, and bike distances use Fumee Lake trails and paved lakeside routes; awards, door prizes, and age-group categories are offered.

Trail races at New Glarus Woods State Park on August 15, 2026 include 16K, 8K, 5K and a free 1K kids run. Proceeds benefit Friends of New Glarus Woods State Park and awards include age-group prizes plus a 16K consistency award.

A community cross country style event at Lussier Stadium in Madison featuring a 5 km run and a 1 mile walk; established as a memorial and serving as a fundraiser for LaFollette High School middle school feeder schools.

Multi-hour looped trail challenges at Blackhawk Ski Club in Middleton, WI, with individual and team relay options, plus a 1.7 mile fun run that highlights the course features and terrain.

A community event at Riverwood Nature Center offering a 5K trail run and a 1 Mile nature walk with a kids scavenger hunt and a K9 unit demonstration. The 5K has a $30 entry fee and a t shirt guarantee for pre registration.

A trail race in Chequamegon-Nicolet National Forest on large sections of the Ice Age Trail offering 100 mile, 100k and 50k distances. Organizers reserve nearby Spearhead campground and the course uses single-track and forest roads.

A trail race day in St. Croix Falls on August 29, 2026 offering Marathon, Half-Marathon and 10K on mixed single-track and paved trails, with limited online fields, aid stations, and a no-refund policy.

Timed 24 hour, 12 hour and 6 hour runs take place at Lapham Peak State Park on September 5 and 6, 2026, on a one mile loop with night lighting and chip timing. The event includes a cupless aid station and a Distance division.

A new trail race in Verona, Wisconsin offering 5K and 10K courses through prairies, woodlands and oak savannas. Net proceeds support Prairie Moraine Friends for park restoration; parking is limited and ride sharing is encouraged.

A community trail run in Exeland, Wisconsin supporting the Siri Strong Foundation’s scholarships and youth programs. Distances include a 5K and a 1 mile kids fun run, with age-group awards and top overall medals.

Participate in a timed race through the scenic trails of Onalaska with distances of 13.1 miles and 3.1 miles. Enjoy a route featuring the Great River State Trail and finish with medals and donuts at Swarthout Park.

Last Dot Standing in Belleville WI alternates repeated 4.2 mile legs between Belleville Community Park and Dot's Tavern until one runner remains. Separate 24 hour and 48 hour races use the same course and offer distance buckles and prize pa..

A team trail relay at Nine Mile Forest on September 18-19, 2026, featuring 117 miles of single-track forest trails, multiple team formats and on-site camping options with village amenities like bonfires, music and food trucks.

A community fundraiser at Goose Island Campground in Stoddard, WI offering timed 6 and 24 hour running and walking. Participants set their own goals, from a single loop to more than 100 miles in 24 hours.

Trail marathon and half marathon at High Cliff State Park with singletrack, prairie sections, and views of Lake Winnebago and the Niagara Escarpment.

Echo 136 in Whitewater, WI is a 136 mile trail ultramarathon on the Ice Age State Trail with a 55 hour cutoff and 10 aid stations. The event lists about 11,148 ft of ascent and is organized by TYDISH Running.

A women only Last Woman Standing trail event on a roughly one to 1.25 mile loop with 250 to 300 ft of climb per lap near Arena Wisconsin. Laps repeat every 20 minutes until one runner remains.