Flat grade share
- Ogden Marathon 13K
- Unavailable
Behind the Rocks Ultra 30K vs Ogden Marathon 13K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofBehind the Rocks Ultra 30K or Ogden Marathon 13K — which comes out ahead?
The available sourced metrics do not create a clear lead; use the table to compare the held route, cost and race-day evidence.
Route comparison snapshot
Behind the Rocks Ultra 30K
- Mapped route
- Held
- Elevation profile
- Held Favoured
- course flatness
- 2.2%
- flat grade share
- 43.3%
- lower ascent
- 457 m
- climbing density
- 15.2 m/km
- net elevation
- 0 m
- maximum grade
- 21.5%
Ogden Marathon 13K
- Mapped route
- Held
- Elevation profile
- Not held
- course flatness
- Unavailable
- flat grade share
- Unavailable
- lower ascent
- Unavailable
- climbing density
- Unavailable
- net elevation
- Unavailable
- maximum grade
- Unavailable
| Metric | Behind the Rocks Ultra 30K | Ogden Marathon 13K |
|---|---|---|
| Flat grade share | 43.3% | Unavailable |
| GAP factor (% slower than flat) | 2.2% | Unavailable |
| Uphill share | 27.7% | Unavailable |
| Steep-up share | 7.6% | Unavailable |
| Downhill share | 29.0% | Unavailable |
| Total ascent (m) | 457 m | Unavailable |
| Climbing density (m/km) | 15.2 m/km | Unavailable |
| Longest climb length (m) | 1,650 m | Unavailable |
| Longest climb gain (m) | 103 m | Unavailable |
| Longest climb average grade | 6.3% | Unavailable |
| Total descent (m) | 457 m | Unavailable |
| Net elevation (m) | 0 m | Unavailable |
| Max absolute grade | 21.5% | Unavailable |
| Start elevation (m) | 1,617 m | Unavailable |
| Finish elevation (m) | 1,618 m | Unavailable |
| Scenic score | 90/100 | Unavailable |
| Conditions | 89/100 | Unavailable |
GAP factor (% slower than flat)
- Ogden Marathon 13K
- Unavailable
Uphill share
- Ogden Marathon 13K
- Unavailable
Steep-up share
- Ogden Marathon 13K
- Unavailable
Downhill share
- Ogden Marathon 13K
- Unavailable
Total ascent (m)
- Ogden Marathon 13K
- Unavailable
Climbing density (m/km)
- Behind the Rocks Ultra 30K
- 15.2 m/km
- Ogden Marathon 13K
- Unavailable
Longest climb length (m)
- Behind the Rocks Ultra 30K
- 1,650 m
- Ogden Marathon 13K
- Unavailable
Longest climb gain (m)
- Ogden Marathon 13K
- Unavailable
Longest climb average grade
- Ogden Marathon 13K
- Unavailable
Total descent (m)
- Ogden Marathon 13K
- Unavailable
Net elevation (m)
- Ogden Marathon 13K
- Unavailable
Max absolute grade
- Ogden Marathon 13K
- Unavailable
Start elevation (m)
- Behind the Rocks Ultra 30K
- 1,617 m
- Ogden Marathon 13K
- Unavailable
Finish elevation (m)
- Behind the Rocks Ultra 30K
- 1,618 m
- Ogden Marathon 13K
- Unavailable
Scenic score
- Ogden Marathon 13K
- Unavailable
Conditions
- Ogden Marathon 13K
- Unavailable
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 | Behind the Rocks Ultra 30K | Ogden Marathon 13K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2027-04-03 (legacy event-level date). | Exact race date not confirmed. |
| Location | Moab, Utah | Ogden, Utah |
| Actual distance | 30 km | 13.2 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Not held |
| Course type | Loop | Unavailable |
| Surface | Mixed trail: smooth double track, sandy washes, technical doubletrack and challenging singletrack | Unavailable |
| Terrain | Trail | Road |
| Scenery | Countryside, Desert, Canyon, Mountain | City, Historic, Canyon, Riverside, Lakeside, Mountain, Forest, Countryside |
| Atmosphere | Wilderness, Destination, Scenic Tour | Scenic Tour, Destination, Community |
| Technicality | Moderate | Unavailable |
| Total ascent | 457 m | Unavailable |
| Climbing density | 15.2 m/km | Unavailable |
| Total descent | 457 m | Unavailable |
| Net elevation | 0 m | Unavailable |
| Max absolute grade | 21.5% | Unavailable |
| Flat grade share | 43.3% | Unavailable |
| GAP factor | 2.2% | Unavailable |
| Entry model | Open | Open |
Schedule
- Behind the Rocks Ultra 30K
Exact race date not confirmed. Event weekend starts 2027-04-03 (legacy event-level date).
- Ogden Marathon 13K
Exact race date not confirmed.
Location
- Behind the Rocks Ultra 30K
- Moab, Utah
- Ogden Marathon 13K
- Ogden, Utah
Actual distance
- Behind the Rocks Ultra 30K
- 30 km
- Ogden Marathon 13K
- 13.2 km
raceindex.org mapped route held
- Behind the Rocks Ultra 30K
- Held
- Ogden Marathon 13K
- Held
raceindex.org elevation profile held
- Behind the Rocks Ultra 30K
- Held
- Ogden Marathon 13K
- Not held
Course type
- Behind the Rocks Ultra 30K
- Loop
- Ogden Marathon 13K
- Unavailable
Surface
- Behind the Rocks Ultra 30K
- Mixed trail: smooth double track, sandy washes, technical doubletrack and challenging singletrack
- Ogden Marathon 13K
- Unavailable
Terrain
- Behind the Rocks Ultra 30K
- Trail
- Ogden Marathon 13K
- Road
Scenery
- Behind the Rocks Ultra 30K
- Countryside, Desert, Canyon, Mountain
- Ogden Marathon 13K
- City, Historic, Canyon, Riverside, Lakeside, Mountain, Forest, Countryside
Atmosphere
- Behind the Rocks Ultra 30K
- Wilderness, Destination, Scenic Tour
- Ogden Marathon 13K
- Scenic Tour, Destination, Community
Technicality
- Behind the Rocks Ultra 30K
- Moderate
- Ogden Marathon 13K
- Unavailable
Total ascent
- Behind the Rocks Ultra 30K
- 457 m
- Ogden Marathon 13K
- Unavailable
Climbing density
- Behind the Rocks Ultra 30K
- 15.2 m/km
- Ogden Marathon 13K
- Unavailable
Total descent
- Behind the Rocks Ultra 30K
- 457 m
- Ogden Marathon 13K
- Unavailable
Net elevation
- Behind the Rocks Ultra 30K
- 0 m
- Ogden Marathon 13K
- Unavailable
Max absolute grade
- Behind the Rocks Ultra 30K
- 21.5%
- Ogden Marathon 13K
- Unavailable
Flat grade share
- Behind the Rocks Ultra 30K
- 43.3%
- Ogden Marathon 13K
- Unavailable
GAP factor
- Behind the Rocks Ultra 30K
- 2.2%
- Ogden Marathon 13K
- Unavailable
Entry model
- Behind the Rocks Ultra 30K
- Open
- Ogden Marathon 13K
- Open
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.