Trail Running calendar near Rib Mountain 2025-2026

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 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 on the iconic Ice Age Trail, a 1,000-mile National Scenic Trail know..

The Ironbull Rib Mountain Trail Races take place in Wausau, Wisconsin, within the scenic Rib Mountain State Park. The event offers three distances: a challenging 50k consisting of three loops with over 7,000 feet of elevation gain, a 25k covering 1.5 loops, and a 15k single loop. The course features..

The Black River Trail Classic, held in Millston, Wisconsin within the Black River State Forest, is a trail running event featuring distances of 85K, 50K, 25K, and 10K. Celebrating its 9th year in 2025, the race offers a scenic course with ridge views and vibrant fall colors. Participants receive a w..

The Mosquito Hill Endurance Run is a trail running event held at Mosquito Hill Nature Center in New London, Wisconsin. Participants run or walk on a 3.4-mile loop course featuring wetlands, prairies, forests, and a climb to the top of Mosquito Hill, with about 400 feet of elevation gain per loop. Th..

The Buck Rut Run is a 5K trail running event held at Minocqua Winter Park in Minocqua, Wisconsin. Celebrating its 30th edition, the race takes advantage of the park's trail system, offering participants a scenic and challenging course. Registration is available online with tiered pricing and include..

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..

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..