Trail Running calendar near Merrill 2026-2027

A spring trail event at the Iola Winter Sports Club offering **5k** and **15k** courses on ski trails and singletrack, plus a free kids 1k when weather permits. Food and drinks will be available in the Chalet and entry fees change after Mar..

Experience the diverse landscapes of Shiocton at the Navarino Nature Center Trail Run. Run or walk through forests and across bog boardwalks to support environmental education and local trail improvements.

WausaUltra at Sylvan Park in Wausau features a 4.167 mile mostly trail loop offered as a Limitless backyard event, Solo, Double, and a free kids race over May 1 to May 3, 2026.

Experience a scenic point to point run from Plover to Amherst along the Tomorrow River Trail. This half marathon concludes at the Central Waters Brewing Co for a memorable finish in Wisconsin.

The First Mondays Summer Trail Series is a summer trail running event at the Iola Winter Sports Club. A different 5 km course is featured each month in June, July, and August. The series includes a vertical hill challenge and a kids race.

The Jack Lake Crazy Eights Trail Run will take place in Deerbrook on Saturday 6 June 2026. You can run 10 kilometers.

Run a half marathon, a 5K run or walk, or a 1K kids Cubbie Run in Minocqua on June 27, 2026. Most of the course follows the Bearskin Trail and proceeds benefit the Lakeland Pantry.

A community July 4 event in Land O' Lakes with a multi-surface 5K and a youth 1K fun run; proceeds support Great Headwaters Trails and the local playground.

Experience the sunset at Nine Mile Recreation Area with a series of trail runs on single track mountain bike paths. Choose from multiple distances and navigate technical terrain using your own lights as the sun goes down.

Experience a grassroots wilderness race at the Underdown Trail system in Merrill. Choose between various trail running and mountain bike distances featuring glacial hills, singletrack paths, and scenic boardwalks.

Midwest States 100 is a trail race in Wisconsin's Chequamegon-Nicolet National Forest. The course primarily follows the historic Ice Age Trail. Camping is available at the race campground.

Experience a relay adventure through the single track trails of Nine Mile Forest in Wisconsin. Choose from various team sizes to run through pine and birch forests with overnight camping and a communal village atmosphere.