Flat grade share
- Douro Ultra Trail (Peso da Régua) 15K
- 21.0% Favoured
Douro Ultra Trail (Peso da Régua) 15K vs Sandia Mountain Shadows Trail Run 15K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofDouro Ultra Trail (Peso da Régua) 15K or Sandia Mountain Shadows Trail Run 15K — which comes out ahead?
Douro Ultra Trail (Peso da Régua) 15K has the stronger available profile on flat grade share and scenery score.
Route comparison snapshot
Douro Ultra Trail (Peso da Régua) 15K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- Unavailable
- flat grade share
- 21.0% Favoured
- lower ascent
- 711 m
- climbing density
- 47.4 m/km
- net elevation
- -172 m
- maximum grade
- 47.6%
Sandia Mountain Shadows Trail Run 15K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 7.6%
- flat grade share
- 18.9%
- lower ascent
- 450 m
- climbing density
- 30.0 m/km
- net elevation
- -11 m
- maximum grade
- 27.3%
| Metric | Douro Ultra Trail (Peso da Régua) 15K | Sandia Mountain Shadows Trail Run 15K |
|---|---|---|
| Flat grade share | 21.0% ✓ | 18.9% |
| GAP factor (% slower than flat) | Unavailable | 7.6% |
| Uphill share | 31.5% | 36.0% |
| Steep-up share | 23.4% | 19.4% |
| Downhill share | 47.5% | 45.1% |
| Total ascent (m) | 711 m | 450 m |
| Climbing density (m/km) | 47.4 m/km | 30.0 m/km |
| Longest climb length (m) | 720 m | 1,280 m |
| Longest climb gain (m) | 141 m | 78 m |
| Longest climb average grade | 19.6% | 6.1% |
| Total descent (m) | 883 m | 461 m |
| Net elevation (m) | -172 m | -11 m |
| Max absolute grade | 47.6% | 27.3% |
| Start elevation (m) | 235 m | 1,814 m |
| Finish elevation (m) | 63 m | 1,803 m |
| Scenic score | 100/100 ✓ | 84/100 |
| Conditions | 62/100 | 67/100 ✓ |
GAP factor (% slower than flat)
- Douro Ultra Trail (Peso da Régua) 15K
- Unavailable
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
Longest climb length (m)
Longest climb gain (m)
Longest climb average grade
Total descent (m)
Net elevation (m)
Max absolute grade
Start elevation (m)
Finish elevation (m)
Scenic score
- Douro Ultra Trail (Peso da Régua) 15K
- 100/100 Favoured
Conditions
- Sandia Mountain Shadows Trail Run 15K
- 67/100 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 | Douro Ultra Trail (Peso da Régua) 15K | Sandia Mountain Shadows Trail Run 15K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-10-09 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-10-04 (legacy event-level date). |
| Location | Peso da Régua, Portugal | Albuquerque, New Mexico |
| Actual distance | 15 km | 15 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Loop | Unavailable |
| Surface | Mostly paths, trails, footpaths and unpaved forest roads with small sections of asphalt; routes cross public roads, villages and private agricultural land. | Trail |
| Terrain | Trail | Beach, Trail |
| Scenery | Countryside, Waterfront, Historic, Vineyard, Riverside, Mountain, Forest | Mountain, Parkland, Desert, Canyon |
| Atmosphere | Scenic Tour, Destination, Wilderness | Unavailable |
| Total ascent | 711 m | 450 m |
| Climbing density | 47.4 m/km | 30.0 m/km |
| Total descent | 883 m | 461 m |
| Net elevation | -172 m | -11 m |
| Max absolute grade | 47.6% | 27.3% |
| Flat grade share | 21.0% | 18.9% |
| GAP factor | Unavailable | 7.6% |
| Entry model | Open | Open |
Schedule
- Douro Ultra Trail (Peso da Régua) 15K
Exact race date not confirmed. Event weekend starts 2026-10-09 (legacy event-level date).
- Sandia Mountain Shadows Trail Run 15K
Exact race date not confirmed. Event weekend starts 2026-10-04 (legacy event-level date).
Location
- Douro Ultra Trail (Peso da Régua) 15K
- Peso da Régua, Portugal
- Sandia Mountain Shadows Trail Run 15K
- Albuquerque, New Mexico
Actual distance
- Douro Ultra Trail (Peso da Régua) 15K
- 15 km
- Sandia Mountain Shadows Trail Run 15K
- 15 km
raceindex.org mapped route held
- Douro Ultra Trail (Peso da Régua) 15K
- Held
- Sandia Mountain Shadows Trail Run 15K
- Held
raceindex.org elevation profile held
- Douro Ultra Trail (Peso da Régua) 15K
- Held
- Sandia Mountain Shadows Trail Run 15K
- Held
Course type
- Douro Ultra Trail (Peso da Régua) 15K
- Loop
- Sandia Mountain Shadows Trail Run 15K
- Unavailable
Surface
- Douro Ultra Trail (Peso da Régua) 15K
- Mostly paths, trails, footpaths and unpaved forest roads with small sections of asphalt; routes cross public roads, villages and private agricultural land.
- Sandia Mountain Shadows Trail Run 15K
- Trail
Terrain
- Douro Ultra Trail (Peso da Régua) 15K
- Trail
- Sandia Mountain Shadows Trail Run 15K
- Beach, Trail
Scenery
- Douro Ultra Trail (Peso da Régua) 15K
- Countryside, Waterfront, Historic, Vineyard, Riverside, Mountain, Forest
- Sandia Mountain Shadows Trail Run 15K
- Mountain, Parkland, Desert, Canyon
Atmosphere
- Douro Ultra Trail (Peso da Régua) 15K
- Scenic Tour, Destination, Wilderness
- Sandia Mountain Shadows Trail Run 15K
- Unavailable
Total ascent
- Douro Ultra Trail (Peso da Régua) 15K
- 711 m
- Sandia Mountain Shadows Trail Run 15K
- 450 m
Climbing density
- Douro Ultra Trail (Peso da Régua) 15K
- 47.4 m/km
- Sandia Mountain Shadows Trail Run 15K
- 30.0 m/km
Total descent
- Douro Ultra Trail (Peso da Régua) 15K
- 883 m
- Sandia Mountain Shadows Trail Run 15K
- 461 m
Net elevation
- Douro Ultra Trail (Peso da Régua) 15K
- -172 m
- Sandia Mountain Shadows Trail Run 15K
- -11 m
Max absolute grade
- Douro Ultra Trail (Peso da Régua) 15K
- 47.6%
- Sandia Mountain Shadows Trail Run 15K
- 27.3%
Flat grade share
- Douro Ultra Trail (Peso da Régua) 15K
- 21.0%
- Sandia Mountain Shadows Trail Run 15K
- 18.9%
GAP factor
- Douro Ultra Trail (Peso da Régua) 15K
- Unavailable
- Sandia Mountain Shadows Trail Run 15K
- 7.6%
Entry model
- Douro Ultra Trail (Peso da Régua) 15K
- Open
- Sandia Mountain Shadows Trail Run 15K
- Open
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.