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 a mix of smooth ski trails, rocky and rooty sections, and reaches the highest point in the Northern Kettle Moraine State Forest, offering a challenging and scenic experience. The event starts near Sunburst Ski Hill and finishes at Greenbush Group Camp, where aid stations provide water, sports drinks, and snacks.

Runners enjoy a welcoming atmosphere with post-run food and refreshments. The NK50k emphasizes fun over competition, with no official race results posted. Visit the organization's website for the most recent information.