Trail Running calendar near Suamico 2025-2026

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 "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 woodland trails, sandy shoreline running along Lake Michi..

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..

Twisted Roots is a trail running event held at High Cliff State Park in Sherwood, Wisconsin, featuring both half marathon and full marathon distances. Set against the scenic backdrop of Lake Winnebago and the Niagara Escarpment's majestic cliffs, runners experience a mix of technical single tracks a..

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

The Door County Fall 50 is a scenic 50-mile ultra marathon held in Door County, Wisconsin, running from Gills Rock to Sturgeon Bay. Scheduled for October 25, 2025, the point-to-point road race showcases the vibrant fall colors and charming villages of the area. Runners can participate solo or in rel..

The NK50k is an annual 50-kilometer point-to-point trail run held in Greenbush, Wisconsin, along the Northern Kettle Moraine Ice Age Trail. The course features a mix of smooth ski trails, rocky and rooty sections, and reaches the highest point in the Northern Kettle Moraine State Forest, offering va..