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 about 10 aid stations supporting runners. Participants have 48 hours and 46 minutes to complete the course, averaging a 22-minute mile pace.

A special 32-mile "Party Next Door" segment starts in the Southern Unit with a night run option. The event emphasizes environmental stewardship, supporting the Ice Age Trail Alliance, and is limited to 75 runners. Visit the organization's website for the most recent information.