How hilly is the Ozark Trail 100 Mile Endurance Run Ultramarathon?
The Ozark Trail 100 Mile Endurance Run Ultramarathon is described as rolling. The course listing puts the climb at 3,404 m.
Ozark Trail 100 Mile Endurance Run Ultramarathon
This race edition
- Race date
- Date not confirmed for this distance
- Race timezone
- Timezone not confirmed
- Edition status
- Status not confirmed
Entry options
2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Official event website & entry ↗Data current as of
Decision summary
Ozark Trail 100 Mile Endurance Run Ultramarathon at a glance
- Cut-off average pace
- 11:49/km
- Typical conditions
- 83/100
- Evidence depth
- 38 verified facts
32:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Source facts available
Route details
Known course facts at a glance
Ozark Trail 100 Mile Endurance Run Ultramarathon has known course details for its ultramarathon race. The summary below keeps the focus on what is confirmed for the course.
- Official distance
- 162.5 km
- Terrain
- Trail
- Scenery
- Forest, Riverside, Countryside
Quick answers
What runners ask first
Where does the Ozark Trail 100 Mile Endurance Run Ultramarathon route go?
The Ozark Trail 100 Mile Endurance Run Ultramarathon route starts at Forest road near CR 862 / FR 2309 in the Mark Twain National Forest, Steelville MO and finishes at Bass River Resort, 204 Butts Rd, Steelville, MO. Underfoot, expect almost entirely single-track trail (about 95% unpaved), ranging from smooth dirt to moderately technical, often leaf-covered, with several water crossings. It passes Ozark Trail, Mark Twain National Forest, Brooks Creek and Bass River Resort. Roughly 101 miles of pristine Ozark Trail with technical, rocky single-track and multiple stream crossings.
What should runners know on race day for the Ozark Trail 100 Mile Endurance Run Ultramarathon?
Drop bag service available at designated aid stations. 13. Pacers permitted starting at Brooks Creek (mile 40).
Race character
Scenery
- Forest
- Riverside
- Countryside
Atmosphere
- Wilderness
- Nighttime
Terrain
- Trail
- Elevation character
- Rolling
- Technicality
- Technical
- Source-stated ascent
- 3,404 m
Entry, logistics and records
Records and field
- Men's course record
- 18:38:59 (Jeff Browning)
- Women's course record
- 25:28:21 (Rachel Furman)
Entry requirements
- Entry status
- Open entry: The held registration model is open entry and this edition is not marked sold out.
- Cut-off
- 32-hour overall time limit; 6:00 AM start with enforced aid-station cutoffs
- Qualification status
- Designated the 2026 Missouri RRCA State Ultra Championship; limited entries, no qualifying time required.
Race day logistics
- Aid stations
- 13
- Pacers
- Pacers permitted starting at Brooks Creek (mile 40)
- Bag drop
- Drop bag service available at designated aid stations
- Medal
- Finishers earn a belt buckle
Access and course status
- Start
- Forest road near CR 862 / FR 2309 in the Mark Twain National Forest, Steelville MO
- Finish
- Bass River Resort, 204 Butts Rd, Steelville, MO
Course facts
- Course type
- Point To Point
- Surface
- Almost entirely single Track trail (about 95% unpaved), ranging from smooth dirt to moderately technical, often leaf Covered, with several water crossings.
- Landmarks
- Ozark Trail, Mark Twain National Forest, Brooks Creek, Bass River Resort
- Notable features
- 18th edition in 2026
- nearly continuous single-track with technical terrain and several stream crossings
- Roughly 101 miles of pristine Ozark Trail with technical, rocky single-track and multiple stream crossings
What are typical race-day conditions?
- 12°CTypical temperature
- 17 kphTypical wind
- 5 mmTypical rainfall
- 83Favourability /100