Ozark Trail 100 Mile Endurance Run
Butts, Missouri, United States
Oct 31, 2026 - Saturday
100mi, Ultra
Race Information
The Ozark Trail 100-Mile Endurance Run is a point-to-point 101 mile ultramarathon on the Ozark Trail through the Mark Twain National Forest in south central Missouri. The race is mostly on single track trail with several water crossings and approximately 12,000 feet of elevation gain. The trail surface varies from smooth dirt trail to moderately technical trail with lots of leaves covering the trail.
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Race Facts
Race Size: 100 - 500
Elevation: Lots of Hills
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
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