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Kettle Moraine

Whitewater, United States • 14 Jun 2025

The Kettle Moraine 100 Endurance Trail Races, held annually in June in the Southern Kettles of Wisconsin, offer challenging ultra-distance events including 100-mile, 100k, 50k, and 38-mile races. Established in 1996, the course is predominantly trail-based, with about 65 miles running along the scenic Ice Age Trail, featuring mostly natural terrain with a few road crossings. The event is known for its competitive atmosphere and strong community support, with aid stations and race logistics well organized to support runners. The race attracts a dedicated field of ultra runners and is part of the Midwest Grand Slam of Ultra-running. Registration fills quickly, reflecting its popularity. Visit the organization's website for the most recent information.

United States Wisconsin Whitewater

Race information

Website
100 mi
100 Mile
100 km
100k
38 mi
38 Mile
50 km
50k
Visit the organization's website for the most recent information.
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