Ozark Trail 100 Mile Endurance Run
Ozark Trail 100 Mile Endurance Run crosses 101 miles of Mark Twain National Forest on remote singletrack with about 12,000 feet of rugged climbing.
Every link above goes to the race, its timing provider, or an official registration partner. Last checked July 23, 2026.
Quick facts
- Saturday start on October 31, 2026
- 101-mile point-to-point course
- About 12,000 feet of climbing
- 2026 Missouri ultra championship
2026 Ozark Trail 100 Mile Endurance Run registration
Registration for the 2026 Ozark Trail 100 Mile Endurance Run runs through the official registration page at ultrasignup.com.
About the Ozark Trail 100 Mile Endurance Run
This dedicated point-to-point hundred serves as the 2026 Missouri RRCA State Ultra Championship and maintains its own entry and result history.
Course
Nearly continuous singletrack mixes smooth dirt, technical leaf-covered sections, stream crossings and remote ridges before the Bass River finish.
Race-day weather
Late October may produce warm sun, frost, rain or cold overnight conditions, while fallen leaves can conceal rocks and roots.
Past Ozark Trail 100 Mile Endurance Run dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Saturday, October 31, 2026 | Upcoming | — |
| 2025 | — | Completed | Open results |
| 2024 | — | Completed | Open results |
Ozark Trail 100 Mile Endurance Run FAQ
When is the Ozark Trail 100 Mile Endurance Run?
The 2026 Ozark Trail 100 Mile Endurance Run is on Saturday, October 31, 2026.
How do I register for the Ozark Trail 100 Mile Endurance Run?
Register for the Ozark Trail 100 Mile Endurance Run through the official registration link: marathonscout.com/go/ozark-trail-100-mile-endurance-run/register. It opens the race registration page at ultrasignup.com.
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