NK50k

The Dawn to Dusk Endurance Run is a challenging ultramarathon event held at Camp Sinawa in Valders, Wisconsin. The race features multiple timed events including 24-hour, 15.5-hour, 8.5-hour (Dusk to Dawn), 8-hour, and 6-hour ultras. The course is a 4.5-mile loop with 330 feet of elevation gain per l..

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..