Flat grade share
- The Original Las Vegas Marathon Half Marathon
- 75.4% Favoured
The Original Las Vegas Marathon Half Marathon vs Carson Canyons Super-K Trail Runs Half Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofThe Original Las Vegas Marathon Half Marathon or Carson Canyons Super-K Trail Runs Half Marathon — which comes out ahead?
The Original Las Vegas Marathon Half Marathon and Carson Canyons Super-K Trail Runs Half Marathon split the available advantages, so the better choice depends on which metric matters most to the runner.
Route comparison snapshot
The Original Las Vegas Marathon Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.6% Favoured
- flat grade share
- 75.4% Favoured
- lower ascent
- 164 m
- climbing density
- 7.8 m/km
- net elevation
- 0 m
- maximum grade
- 11.9%
Carson Canyons Super-K Trail Runs Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 5.1%
- flat grade share
- 14.6%
- lower ascent
- 603 m
- climbing density
- 27.4 m/km
- net elevation
- 13 m
- maximum grade
- 15.2%
| Metric | The Original Las Vegas Marathon Half Marathon | Carson Canyons Super-K Trail Runs Half Marathon |
|---|---|---|
| Flat grade share | 75.4% ✓ | 14.6% |
| GAP factor (% slower than flat) | 0.6% ✓ | 5.1% |
| Uphill share | 12.2% | 42.9% |
| Steep-up share | 0.9% | 20.0% |
| Downhill share | 12.4% | 42.5% |
| Total ascent (m) | 164 m | 603 m |
| Climbing density (m/km) | 7.8 m/km | 27.4 m/km |
| Longest climb length (m) | 2,330 m | 3,970 m |
| Longest climb gain (m) | 28 m | 232 m |
| Longest climb average grade | 1.2% | 5.8% |
| Total descent (m) | 164 m | 590 m |
| Net elevation (m) | 0 m | 13 m |
| Max absolute grade | 11.9% | 15.2% |
| Start elevation (m) | 751 m | 1,461 m |
| Finish elevation (m) | 751 m | 1,474 m |
| Scenic score | 68/100 | 100/100 ✓ |
| Conditions | 55/100 | 75/100 ✓ |
GAP factor (% slower than flat)
- The Original Las Vegas Marathon Half Marathon
- 0.6% Favoured
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
- Carson Canyons Super-K Trail Runs Half Marathon
- 100/100 Favoured
Conditions
- Carson Canyons Super-K Trail Runs Half Marathon
- 75/100 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 | The Original Las Vegas Marathon Half Marathon | Carson Canyons Super-K Trail Runs Half Marathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-10-11 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-09-19 (legacy event-level date). |
| Location | Henderson, Nevada | Carson City, Nevada |
| Actual distance | 21.1 km | 22 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Surface | Unavailable | About 1.5 miles of pavement at the start, then primarily single track trail |
| Elevation character | Unavailable | Mountainous |
| Terrain | Road, Trail | Road, Trail, Mixed |
| Scenery | Waterfront, Countryside, Desert, Mountain | Canyon, Countryside, City, Parkland, Mountain, Forest, Desert |
| Atmosphere | Community, Destination | Scenic Tour, Wilderness, Community |
| Technicality | Unavailable | Moderate |
| Total ascent | 164 m | 603 m |
| Climbing density | 7.8 m/km | 27.4 m/km |
| Total descent | 164 m | 590 m |
| Net elevation | 0 m | 13 m |
| Max absolute grade | 11.9% | 15.2% |
| Flat grade share | 75.4% | 14.6% |
| GAP factor | 0.6% | 5.1% |
| Entry model | Open | Open |
Schedule
- The Original Las Vegas Marathon Half Marathon
Exact race date not confirmed. Event weekend starts 2026-10-11 (legacy event-level date).
- Carson Canyons Super-K Trail Runs Half Marathon
Exact race date not confirmed. Event weekend starts 2026-09-19 (legacy event-level date).
Location
- The Original Las Vegas Marathon Half Marathon
- Henderson, Nevada
- Carson Canyons Super-K Trail Runs Half Marathon
- Carson City, Nevada
Actual distance
- The Original Las Vegas Marathon Half Marathon
- 21.1 km
- Carson Canyons Super-K Trail Runs Half Marathon
- 22 km
raceindex.org mapped route held
- The Original Las Vegas Marathon Half Marathon
- Held
- Carson Canyons Super-K Trail Runs Half Marathon
- Held
raceindex.org elevation profile held
- The Original Las Vegas Marathon Half Marathon
- Held
- Carson Canyons Super-K Trail Runs Half Marathon
- Held
Surface
- The Original Las Vegas Marathon Half Marathon
- Unavailable
- Carson Canyons Super-K Trail Runs Half Marathon
- About 1.5 miles of pavement at the start, then primarily single track trail
Elevation character
- The Original Las Vegas Marathon Half Marathon
- Unavailable
- Carson Canyons Super-K Trail Runs Half Marathon
- Mountainous
Terrain
- The Original Las Vegas Marathon Half Marathon
- Road, Trail
- Carson Canyons Super-K Trail Runs Half Marathon
- Road, Trail, Mixed
Scenery
- The Original Las Vegas Marathon Half Marathon
- Waterfront, Countryside, Desert, Mountain
- Carson Canyons Super-K Trail Runs Half Marathon
- Canyon, Countryside, City, Parkland, Mountain, Forest, Desert
Atmosphere
- The Original Las Vegas Marathon Half Marathon
- Community, Destination
- Carson Canyons Super-K Trail Runs Half Marathon
- Scenic Tour, Wilderness, Community
Technicality
- The Original Las Vegas Marathon Half Marathon
- Unavailable
- Carson Canyons Super-K Trail Runs Half Marathon
- Moderate
Total ascent
- The Original Las Vegas Marathon Half Marathon
- 164 m
- Carson Canyons Super-K Trail Runs Half Marathon
- 603 m
Climbing density
- The Original Las Vegas Marathon Half Marathon
- 7.8 m/km
- Carson Canyons Super-K Trail Runs Half Marathon
- 27.4 m/km
Total descent
- The Original Las Vegas Marathon Half Marathon
- 164 m
- Carson Canyons Super-K Trail Runs Half Marathon
- 590 m
Net elevation
- The Original Las Vegas Marathon Half Marathon
- 0 m
- Carson Canyons Super-K Trail Runs Half Marathon
- 13 m
Max absolute grade
- The Original Las Vegas Marathon Half Marathon
- 11.9%
- Carson Canyons Super-K Trail Runs Half Marathon
- 15.2%
Flat grade share
- The Original Las Vegas Marathon Half Marathon
- 75.4%
- Carson Canyons Super-K Trail Runs Half Marathon
- 14.6%
GAP factor
- The Original Las Vegas Marathon Half Marathon
- 0.6%
- Carson Canyons Super-K Trail Runs Half Marathon
- 5.1%
Entry model
- The Original Las Vegas Marathon Half Marathon
- Open
- Carson Canyons Super-K Trail Runs Half Marathon
- Open
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.
Common questions
Which is flatter, The Original Las Vegas Marathon Half Marathon or Carson Canyons Super-K Trail Runs Half Marathon?
The Original Las Vegas Marathon Half Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.