NK50k

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 diverse terrain, including smooth ski trails, rocky and rooty sections, and the highest point in the Northern Kettle Moraine State Forest. Runners start at Ridge Road Trailhead and finish at Greenbush Group Camp, where aid stations provide water, sports drinks, and snacks.

The event emphasizes a fun, non-competitive atmosphere, with no official race results posted. Participants enjoy post-run food and refreshments, making it a welcoming community celebration of spring and trail running. Visit the organization's website for the most recent information.