Trail Running calendar near Merrill 2025-2026

The Tomorrow River Trail Half-Marathon is a scenic running event taking place in Plover, Wisconsin, with the course extending to Amherst, ending at Central Waters Brewing Co. Participants will enjoy over nine miles of the route along the picturesque Tomorrow River Trail. The event is scheduled for J..

The Jack Lake Crazy Eights Trail Run will take place in Deerbrook on Saturday 7 June 2025. You can run 7 miles.

The Wausau Trail Run is an exciting running event scheduled for July 25-26, 2025, in Wausau, Wisconsin. As part of the Wausau 24 weekend, it features various trail running distances, including a 5K, 10K, and Half Marathon, all set on the scenic single track mountain bike and ski trails at Nine Mile..

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 Underdown Trail Races, held in Merrill, Wisconsin, offer a challenging and scenic trail running experience on August 16, 2025. The event features distances of 60k, marathon, and half marathon through the Underdown Trail system, known for its backcountry singletrack trails shaped by ancient glaci..

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..

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 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..

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 Limitless race is a "last runner standing" challenge where participants run a 4.167-mile mostly trail loop every hour starting Friday morning, continuing until only one runner..