Trail Running Calendar Wisconsin 2025-2026

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

The Midwest States 100 is an ultramarathon event held in Westboro, Wisconsin, within the scenic Chequamegon-Nicolet National Forest. The race features three distances: 100 miles, 100 kilometers, and 50 kilometers, all primarily run along the iconic Ice Age Trail, a 1,000-mile National Scenic Trail k..

Run The Hawk Trail Run takes place at the historic Blackhawk Ski Club in Middleton, Wisconsin. This endurance event features 3, 6, and 12-hour challenges where participants complete as many laps as possible on a scenic 2.25-mile loop with 345 feet of elevation gain per lap. The course includes diver..

The Mindy Creek Trail Races take place in St. Croix Falls, Wisconsin, starting at the Polk County Information Center. The event offers three distances: a marathon, half-marathon, and 10K, all featuring scenic trails with a mix of single track, gravel, paved, and grass surfaces.The marathon involves..

September 2025

The Ironbull Ultra Trail event, known as the Rib Mountain Trail Races, takes place in Wausau, Wisconsin, at Rib Mountain State Park. It features three race distances: a challenging 50k consisting of three loops with over 7,000 feet of elevation gain, a 25k with 1.5 loops, and a 15k single loop with..

The Fallinline 125 is an ultramarathon event held in Greenbush, Wisconsin, covering approximately 132 miles through the scenic Kettle Moraine State Forest along the Ice Age National Scenic Trail. The course traverses the Northern, Middle, and Southern Kettle units, featuring a mix of rugged single-t..

The Goose Bumps 6 & 24 Hour Run, hosted by the River City Running Club in Stoddard, Wisconsin, is a unique endurance event offering participants the choice to run or walk for either 6 or 24 hours. The course allows runners to set personal goals, from completing a single loop to covering ultra distan..

Last Dot Standing is a unique endurance running event held at Belleville Community Park in Belleville, Wisconsin. Participants alternate running 4.2-mile legs between Belleville and Dot's Tavern, a historic local tavern, with one hour to complete each segment. The race continues hourly until only on..

The Birkie Trail Run Festival is an exciting running event held in Cable, Wisconsin, featuring a variety of races suitable for all ages and skill levels. Participants can choose from an Individual Marathon, Half Marathon, 5K Trail Run, and a 1K Kids Run/Walk for children aged 9 and under. Additional..

Twisted Roots is a trail running event held at High Cliff State Park in Sherwood, Wisconsin, featuring both half marathon and full marathon distances. Set against the scenic backdrop of Lake Winnebago and the Niagara Escarpment's majestic cliffs, runners experience a mix of technical single tracks a..

October 2025

The Lapham Peak Colorama Run/Walk is an annual fall running event held at Lapham Peak State Forest in Delafield, Wisconsin. Celebrating its 36th year in 2025, the event features 5K and 10K courses on wide, well-groomed ski and hiking trails, with the 5K covering the park's middle level and the 10K f..

The Trail Run at Indian Lake is an exciting running event held at Indian Lake County Park, featuring two course options: a long course of approximately 10.5 km and a short course of about 5.8 km. The event promotes sustainability by adopting a cup-free policy, encouraging participants to bring their..

The S'more Fun Trail Run is an exciting event taking place at Mirror Lake State Park, featuring a variety of races including a Mini-Marshmallow Mile for kids, a 5K Trail Walk, a 5K Trail Run, a 10K Trail Run, and a Half Marathon Trail Run. The event aims to promote the park and raise funds for ongoi..

Zachariah's Acres Fall Run, Walk & Roll is a charitable event taking place in Oconomowoc, WI, designed to support children with special needs. The event features a 5K, a half marathon, and a family-friendly walk and roll, all set against the backdrop of 125 acres of beautiful natural scenery. Partic..

The Gandy Dancer Marathon, held annually in Luck, Wisconsin, is a scenic autumn race featuring a flat, fast limestone trail ideal for personal records and Boston Marathon qualification. The event includes a full marathon, half marathon, 5k run/walk, and a 4-person marathon relay. The marathon course..

The Trout Brook is a challenging 10-mile trail race held at Willow River State Park in Hudson, Wisconsin. The course features a mix of wide-open park trails and technical single-track paths, including hills, a stair climb, and scenic views of a majestic waterfall. Designed for experienced trail runn..

The Black River Trail Classic, held in Millston, Wisconsin, takes place in the scenic Black River State Forest. This event offers multiple race distances: 85K, 50K, 25K, and 10K, catering to a range of trail runners. Participants enjoy well-marked courses featuring beautiful ridge views and vibrant..

The Black Hawk Ridge Trail Run will take place in Mazomanie on Sunday 19 October 2025.

The Mosquito Hill Endurance Run is an annual trail running event held at Mosquito Hill Nature Center in New London, Wisconsin. The race features a scenic 3.4-mile loop through wetlands, prairies, and forests, including a climb to the top of Mosquito Hill with about 400 feet of elevation gain per lap..

Among the Trees is a scenic running event scheduled for October 25, 2025, in Dousman, Wisconsin. Participants can choose between two challenging distances: 100k and 50k, both set against the beautiful backdrop of the Southern Kettle Moraine Forest along the historic Ice Age Trail. The race begins at..

The Door County Fall 50 is a scenic 50-mile solo ultra marathon held annually in Door County, Wisconsin, with the 19th edition scheduled for October 25, 2025. The point-to-point road race runs from Gills Rock to Sturgeon Bay, showcasing rolling hills, vibrant fall foliage, and charming villages. Run..