Trail Running Calendar Wisconsin 2025-2026

NCTRaces: Palmer's is a trail running event held at Palmer's Landing near Solon Springs, Wisconsin, along the scenic North Country Trail by Lake St. Croix. The races feature a variety of distances including a 5K fun run, half marathon, marathon, and a unique 50/50 Mystery Ultra ranging between 50 ki..

The Cliff Runner 10K is an extreme trail running event held in Sherwood, Wisconsin, within High Cliff State Park. Covering a challenging 10-kilometer course, the race features mostly single-track trails with natural obstacles such as rocks, roots, boulders, and hills, accumulating over 500 feet of e..

The Wausau Trail Run, held in Wausau, Wisconsin, is part of the Wausau 24 weekend of events and takes place at the scenic Nine Mile Recreation Area. This trail running event features a 5K, 10K, and Half Marathon, all set on single-track mountain bike and ski trails known for their twists, turns, roo..

Wausau 24 is the largest 24-hour mountain bike race in the Midwest, held annually at Nine Mile County Forest near Wausau, Wisconsin. Participants can compete solo or in teams across 6, 12, and 24-hour race categories, completing as many laps as possible on a challenging course. The event features a..

The Kinni is an adventurous running event held at Kinnickinnic State Park in River Falls, Wisconsin. Unlike traditional races, participants navigate the park using a provided map to find four hidden books, tearing out pages matching their bib numbers as proof. Covering varied terrain and distances t..

The Thanks Sandy event is a 9-mile trail run held at Kohler-Andrae State Park in Sheboygan, Wisconsin. The course features a mostly flat terrain with a total elevation gain of 509 feet and descent of 485 feet, combining concrete paths, wide trails, sandy shoreline running along Lake Michigan, marsh,..

Trystan's Backyard Ultra, held at La Riviere Park in Prairie du Chien, Wisconsin, is a unique endurance running event featuring a challenging 4.167-mile loop course through scenic trails with 200–350 feet of elevation gain. Runners must complete each loop within one hour, with the race continuing un..

The Lake Antoine Classic is a fundraising event held at Lake Antoine County Park in Iron Mountain, Michigan, supporting Special Olympics. Scheduled for August 16, 2025, it features multiple distances and activities including a 15K run and bike ride through scenic, mostly flat, unpaved trails in the..

The New Glarus Woods Trail Run is an annual event held at New Glarus Woods State Park in Wisconsin, part of the Savanna Trail Run Series. The 6th edition features multiple race distances: a 1-mile kids' fun run, 5 km, 8 km, and 16 km trail runs. The event supports the development of mountain bike tr..

The Underdown Trail Races, held in Merrill, Wisconsin, offer a challenging trail running experience on the rugged Underdown Trail system shaped by ancient glaciers. The event features distances of 60k, marathon, and half marathon, with courses primarily on singletrack trails that include steep climb..

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 technical sections, small hills, bridges, and a mix of single track, gravel, pa..

The Midwest States 100 is an ultra running 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 on the iconic Ice Age Trail, a 1,000-mile National Scenic Trail know..

Run The Hawk Trail Run takes place at the historic Blackhawk Ski Club in Middleton, Wisconsin. This endurance event offers 3, 6, and 12-hour solo and relay challenges on a scenic 2.25-mile loop course featuring 345 feet of elevation gain per lap. Runners experience diverse terrain including grass pa..

The Barn 5K Trail Run/Walk is held at The Westlie Barn Co., located at W18915 Silver Creek Road in Galesville, Wisconsin. This event offers participants a scenic 5-kilometer trail run or walk through picturesque woods and lush farmland. The course provides a unique outdoor experience with breathtaki..

The Ironbull Rib Mountain Trail Races take place in Wausau, Wisconsin, featuring challenging trail runs of 50k, 25k, and 15k distances. The 50k race consists of three loops on a rugged 10.5-mile course with over 7,000 feet of elevation gain, while the 25k covers 1.5 loops and the 15k one loop with m..

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..

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 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..

The Birkie Trail Run Festival, held in Cable, Wisconsin, offers a scenic running experience through the north woods amid beautiful pine forests and vibrant fall colors. The event features a variety of race distances including an individual marathon, half marathon, 5K trail run, and a 1K kids run/wal..

The DIRWIN DASH, A Bearded Bash is a 5K run/walk event held annually in Waukesha, Wisconsin, at Fox River Park. This race honors the memory of Dave Irwin, a beloved guidance counselor and cross country enthusiast from Heritage Christian School. The course features a scenic trail through the woods, o..