Fallinline 125

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-track trails, small road sections, and city streets, with an elevation around 1,000 feet. Participants have 48 hours and 46 minutes to complete the race, supported by 10 aid stations staffed by volunteers.

A special 32-mile "Party Next Door" segment offers a night run option with two aid stations. The event emphasizes environmental stewardship, benefiting the Ice Age Trail Alliance, and limits participation to 75 runners. Visit the organization's website for the most recent information.