Ozark Trail 100 Mile Endurance Run
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.
Free 7 day trial with Race Ultra
Welcome to the world’s first ultramarathon planning app.
Empowering athletes to develop race strategies, plan gear and nutrition, coordinate with their crew, and monitor real-time race performance - all consolidated within a single platform.
Built from firsthand experience and fueled by a passion to enhance the athletic journey, Race Ultra brings technology and endurance together, to cater to the needs of ultra athletes worldwide.
Ready to conquer your next ultramarathon? Let’s get started!
Find Accommodation Near Ozark Trail 100 Mile Endurance Run
Use this map to find hotels and airbnb accommodation near this race location.
Pace Calculator
Find your running pace and splits, and learn if you can outrun dangerous animals with the RunGuides run pace calculator.
![](/assets/Run-Pace-calculator.jpg)
Tell us your race tips
![](/assets/coupon-button-highlighted.png)