Ozark Trail 100 Mile Endurance Run

Steelville, United States • 25 Oct 2025

The Ozark Trail 100 Mile Endurance Run is a premier ultra-running event held in the scenic Mark Twain National Forest, showcasing the stunning autumn landscapes of Missouri. Celebrating its 17th year, this challenging race covers 101 miles of technical single-track trails, featuring approximately 12,000 feet of elevation gain and numerous stream crossings. Participants can expect a supportive atmosphere with 13 fully-stocked aid stations and opportunities for pacers. The event emphasizes community and tradition, offering a coveted belt buckle for finishers. Registration is limited to maintain the quality of the experience, making it a unique adventure for both seasoned and novice ultra-runners. Visit the organization's website for the most recent information.

Race information

100 mi
100 Miles
Visit the organization's website for the most recent information.
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