Trail Running Calendar Wisconsin 2025-2026

We have found 61 Trailruns in Wisconsin. Check below where and when you can find the races.

NCTRaces 15x is a unique last runner standing ultramarathon held at Palmer's Landing in Solon Springs, Wisconsin. The race features a challenging 1-mile out-and-back course on the North Country Trail, primarily single-track, with a 15-minute time limit to complete each mile. Runners must complete ea..

The Fast Eddie 50K and 5K take place at Lapham Peak in Delafield, Wisconsin, celebrating endurance and community while honoring Ed Condon's legacy. The 50K features five loops on the scenic and challenging Blue Loop trail, known for its rolling terrain and beautiful woodland views. The 5K offers an..

The Bucks & Does 13.1 Pointer is a trail running event held in Nashotah Park, Wisconsin, featuring distances of 5K, 10K, and a half marathon (13.1 miles). The course is primarily wood-chipped with some grassy sections, shaded by trees for a comfortable run, and is run in a counterclockwise direction..

The Abominable Trail Race is an exciting autumn trail running event held annually at LG Ziplines and Adventures in Lake Geneva, Wisconsin. It features three race distances: 5K, 15K, and 30K, with the 30K available for individual runners or teams of 2 to 4 in relay format. Participants navigate chall..

December 2025

The Quiet Silence 50k is an ultramarathon held in Lake Mills, Wisconsin, featuring an out-and-back course on the Glacial Drumlin State Trail. Starting at Rotary Park in Lake Mills, runners head west to the trail's terminus in Cottage Grove, covering a mostly flat, crushed gravel path. Participants h..

The Guv'nor Frozen 50K is a challenging winter ultra-marathon held at Governor Dodge State Park in Dodgeville, Wisconsin. Scheduled for early December, the event offers three distance options: 50K, 25K, and 15K. The courses feature a mix of horse trails, dirt single and double tracks, and prairie pa..

January 2026

The Tuscobia Winter Ultra is a challenging human-powered winter endurance event held on the Tuscobia and Wild Rivers State Trails in Northern Wisconsin. Participants can choose between an 80-mile one-way course or a 160-mile out-and-back route, with the longer distance serving as a qualifier for the..

The Whitewalker Ultra 100k is a challenging winter ultramarathon held in Palmyra, Wisconsin, starting at the Emma Carlin Trailhead. Participants complete two 50k loops within 24 hours, traversing the Ice Age Trail to Whitewater and returning, then heading to the Scuppernong Trails and back. The race..

The Phillips Flurry is an annual winter sporting event held in Phillips, Wisconsin, featuring 5K and 10K snowshoe races, runs, and walks. It serves as the venue for the Wisconsin State Snowshoe Championships, attracting participants who enjoy snow-covered trails in a scenic forest setting. The event..

February 2026

The Frozen Assets 5K Run/Walk is a unique winter event held in Madison, Wisconsin, where participants run or walk entirely on the frozen surface of Lake Mendota. The 5K course offers scenic views of downtown Madison and the University of Wisconsin-Madison campus. Starting and finishing at The Edgewa..

ARKTOS is a challenging ultra running event held in Dousman, Wisconsin, featuring 6, 12, and 20-hour race options for solo runners or relay teams of up to four. Set in a quiet, cold forest environment with frozen ground, the race tests participants' endurance and mental toughness in potentially unco..

April 2026

The NK50k is an annual 50-kilometer point-to-point trail run held in Greenbush, Wisconsin, along the Northern Kettle Moraine Ice Age Trail. The course features a mix of smooth ski trails, rocky and rooty sections, and reaches the highest point in the Northern Kettle Moraine State Forest, offering a..

The Sunset Safari 10k Trail Run is part of the annual Moonlight Meltdown event held in Belgium, Wisconsin. This hybrid trail run features a 6.2-mile course combining a 5-mile road segment with a 1.2-mile trail section through Harrington Beach State Park, following the Snow Runners LTD snowmobile tra..

May 2026

The WausaUltra event, held in Wausau, Wisconsin at Sylvan Park, offers three race formats: Limitless, Double, and Solo. The course is a scenic 4.167-mile mostly trail loop featuring hills, forested single tracks, creek crossings, and views over a valley. The Limitless race is a "last runner standing..

The Prickly Pine Jackpot 24 Hour will take place in Dousman from Saturday 2 May 2026 to Sunday 3 May 2026. You can run between 6 and 24 kilometers.

The Donald Dash Trail Run is a popular trail running event held at Donald County Park in Mount Horeb, Wisconsin. It offers two race distances: a 5K for beginners and a more challenging 15K for experienced runners. The course features diverse terrain including prairie, single track, sand, slick bridg..

Rumble on the Ridge is a challenging Last Person Standing ultrarunning event held on a historic dairy farm near Arena, Wisconsin, in the scenic Driftless Area. Participants run a 1 to 1.25-mile loop called "The Drifty Mile," featuring 250-300 feet of elevation gain over mixed terrain including grave..

The Sugar Badger 50/50 and Half Marathon is a scenic trail running event held in Belleville, Wisconsin, featuring distances of 50 miles, 50 kilometers, and a half marathon. The course follows the flat, soft rail trails of the Badger State Trail and Sugar River State Trail, showcasing trestle bridges..

June 2026

Kettle Moraine is a renowned ultra marathon held in LaGrange, Wisconsin, featuring multiple race distances including a 100-mile, 100K, 50K, 38-mile, and a 100-mile relay. Established in 1996, it is one of the oldest 100-mile races in the U.S. The course is 100% trail, with about 65 miles on the scen..

The Crossroads Trail Run & Walk, held annually at Crossroads at Big Creek Nature Preserve in Sturgeon Bay, Wisconsin, offers a scenic trail running experience with three distance options: 2K, 5K, and 10K. This event welcomes runners and walkers of all ages and abilities, promoting wellness, multi-ge..