Trail Running calendar near Merrill 2024-2025

We have found 7 Trailruns within 80 miles of Merrill. See below where and when you can find the races.

The Tuscobia Winter Ultra is a challenging human-powered event held in Northern Wisconsin, featuring options for running, biking, or skiing. Participants can choose between an 80-mile one-way route or a 160-mile out-and-back course, with the latter serving as a qualifier for the Iditarod Trail Invit..

May 2025

WausaUltra is an exciting running event taking place from May 2-5, 2025, at Sylvan Park in Wausau, WI. The event features three race formats: Limitless, Solo, and Double. The Limitless race challenges participants to run a 4.167-mile loop as many times as possible until only one runner remains.The S..

June 2025

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. Scheduled for June 1, 2025, ..

July 2025

The Wausau Trail Run is a popular running event that will take place from July 25th to 27th, 2025, marking its fifth year since inception in 2019. Participants can choose from 5K, 10K, and Half Marathon distances, all set on a scenic combination of single track mountain bike and ski trails. The even..

August 2025

The Underdown Trail Races, organized by IRONBULL, are grassroots trail running and mountain biking events held in Northern Wisconsin. Scheduled for August 16, 2025, participants can choose from various distances, including a 60k, marathon, and half marathon for runners, as well as mountain biking op..

The Midwest States 100 is an exciting ultra-running event taking place in the scenic Chequamegon-Nicolet National Forest, Wisconsin, featuring 100-mile, 100K, and 50K races along the iconic Ice Age National Scenic Trail. This grassroots event offers a unique wilderness adventure with a small field o..

October 2025

The Mosquito Hill Endurance Run, taking place on October 25, 2025, at the Mosquito Hill Nature Center in New London, WI, offers participants a choice of 3-hour, 6-hour, and 12-hour timed events, along with a casual 5k run. The course features a scenic 3.4-mile loop that traverses diverse landscapes,..