Scenic score
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- 67/100 Favoured
Chubb Trail Races (Double Chubb) - Eureka Ultramarathon vs Ozark Trail 100 Mile Endurance Run Ultramarathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofChubb Trail Races (Double Chubb) - Eureka Ultramarathon or Ozark Trail 100 Mile Endurance Run Ultramarathon — which comes out ahead?
Chubb Trail Races (Double Chubb) - Eureka Ultramarathon and Ozark Trail 100 Mile Endurance Run Ultramarathon split the available advantages, so the better choice depends on which metric matters most to the runner.
Route comparison snapshot
Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- Mapped route
- Not held
- Elevation profile
- Not held
Ozark Trail 100 Mile Endurance Run Ultramarathon
- Mapped route
- Not held
- Elevation profile
- Not held
| Metric | Chubb Trail Races (Double Chubb) - Eureka Ultramarathon | Ozark Trail 100 Mile Endurance Run Ultramarathon |
|---|---|---|
| Scenic score | 67/100 ✓ | 60/100 |
| Conditions | 82/100 | 83/100 ✓ |
Conditions
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- 83/100 Favoured
Only metrics available for at least one side are shown. A ✓ marks the better value for each metric (higher-is-better aware). Scores are out of 100 when available. Ascent, climbing density, max absolute grade and median finish describe course or field context and are not marked as better or worse.
Race facts that change the decision
| Fact | Chubb Trail Races (Double Chubb) - Eureka Ultramarathon | Ozark Trail 100 Mile Endurance Run Ultramarathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2027-04-03 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-10-31 (legacy event-level date). |
| Location | Eureka, Missouri | Steelville, Missouri |
| Actual distance | 50 km | 162.5 km |
| raceindex.org mapped route held | Not held | Not held |
| raceindex.org elevation profile held | Not held | Not held |
| Course type | Out And Back | Point To Point |
| Surface | 80% single track, 14% gravel, 6% asphalt | Almost entirely single Track trail (about 95% unpaved), ranging from smooth dirt to moderately technical, often leaf Covered, with several water crossings. |
| Elevation character | Hilly | Rolling |
| Terrain | Trail, Mixed, Road, Gravel | Trail |
| Scenery | Parkland, Riverside, Forest, Countryside | Forest, Riverside, Countryside |
| Atmosphere | Community, Competitive, Wilderness | Wilderness, Nighttime |
| Technicality | Moderate | Technical |
| Total ascent | 1,006 m | 3,404 m |
| Total descent | Unavailable | 3,576 m |
| Max absolute grade | 15.0% | Unavailable |
| Cutoff | 9:00:00 | 32:00:00 |
| Entry model | Open | Open |
Schedule
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
Exact race date not confirmed. Event weekend starts 2027-04-03 (legacy event-level date).
- Ozark Trail 100 Mile Endurance Run Ultramarathon
Exact race date not confirmed. Event weekend starts 2026-10-31 (legacy event-level date).
Location
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- Eureka, Missouri
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- Steelville, Missouri
Actual distance
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- 50 km
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- 162.5 km
raceindex.org mapped route held
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- Not held
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- Not held
raceindex.org elevation profile held
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- Not held
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- Not held
Course type
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- Out And Back
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- Point To Point
Surface
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- 80% single track, 14% gravel, 6% asphalt
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- Almost entirely single Track trail (about 95% unpaved), ranging from smooth dirt to moderately technical, often leaf Covered, with several water crossings.
Elevation character
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- Hilly
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- Rolling
Terrain
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- Trail, Mixed, Road, Gravel
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- Trail
Scenery
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- Parkland, Riverside, Forest, Countryside
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- Forest, Riverside, Countryside
Atmosphere
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- Community, Competitive, Wilderness
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- Wilderness, Nighttime
Technicality
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- Moderate
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- Technical
Total ascent
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- 1,006 m
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- 3,404 m
Total descent
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- Unavailable
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- 3,576 m
Max absolute grade
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- 15.0%
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- Unavailable
Cutoff
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- 9:00:00
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- 32:00:00
Entry model
- Chubb Trail Races (Double Chubb) - Eureka Ultramarathon
- Open
- Ozark Trail 100 Mile Endurance Run Ultramarathon
- Open
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.