Flat grade share
- The Original Las Vegas Marathon 10K
- 84.5% Favoured
The Original Las Vegas Marathon 5K vs The Original Las Vegas Marathon 10K
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 5K or The Original Las Vegas Marathon 10K — which comes out ahead?
The Original Las Vegas Marathon 10K has the stronger available profile on flat grade share and course flatness.
Route comparison snapshot
The Original Las Vegas Marathon 5K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.3%
- flat grade share
- 78.5%
- lower ascent
- 28 m
- climbing density
- 5.7 m/km
- net elevation
- -0 m
- maximum grade
- 3.1%
The Original Las Vegas Marathon 10K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.2% Favoured
- flat grade share
- 84.5% Favoured
- lower ascent
- 55 m
- climbing density
- 5.5 m/km
- net elevation
- -0 m
- maximum grade
- 3.3%
| Metric | The Original Las Vegas Marathon 5K | The Original Las Vegas Marathon 10K |
|---|---|---|
| Flat grade share | 78.5% | 84.5% ✓ |
| GAP factor (% slower than flat) | 0.3% | 0.2% ✓ |
| Uphill share | 10.8% | 7.8% |
| Steep-up share | 0.0% | 0.0% |
| Downhill share | 10.8% | 7.7% |
| Total ascent (m) | 28 m | 55 m |
| Climbing density (m/km) | 5.7 m/km | 5.5 m/km |
| Longest climb length (m) | 960 m | 1,530 m |
| Longest climb gain (m) | 17 m | 23 m |
| Longest climb average grade | 1.8% | 1.5% |
| Total descent (m) | 29 m | 56 m |
| Net elevation (m) | -0 m | -0 m |
| Max absolute grade | 3.1% | 3.3% |
| Start elevation (m) | 751 m | 751 m |
| Finish elevation (m) | 751 m | 751 m |
| Scenic score | 68/100 | 68/100 |
| Conditions | 55/100 | 55/100 |
GAP factor (% slower than flat)
- The Original Las Vegas Marathon 10K
- 0.2% 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
Conditions
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.
Same-distance comparisons are most meaningful; cross-distance metrics are contextual.
Race facts that change the decision
| Fact | The Original Las Vegas Marathon 5K | The Original Las Vegas Marathon 10K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-10-11 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-10-11 (legacy event-level date). |
| Location | Henderson, Nevada | Henderson, Nevada |
| Actual distance | 5 km | 10 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Terrain | Road, Trail | Road, Trail |
| Scenery | Waterfront, Countryside, Desert, Mountain | Waterfront, Countryside, Desert, Mountain |
| Atmosphere | Community, Destination | Community, Destination |
| Total ascent | 28 m | 55 m |
| Climbing density | 5.7 m/km | 5.5 m/km |
| Total descent | 29 m | 56 m |
| Net elevation | -0 m | -0 m |
| Max absolute grade | 3.1% | 3.3% |
| Flat grade share | 78.5% | 84.5% |
| GAP factor | 0.3% | 0.2% |
| Entry model | Open | Open |
Schedule
- The Original Las Vegas Marathon 5K
Exact race date not confirmed. Event weekend starts 2026-10-11 (legacy event-level date).
- The Original Las Vegas Marathon 10K
Exact race date not confirmed. Event weekend starts 2026-10-11 (legacy event-level date).
Location
- The Original Las Vegas Marathon 5K
- Henderson, Nevada
- The Original Las Vegas Marathon 10K
- Henderson, Nevada
Actual distance
- The Original Las Vegas Marathon 5K
- 5 km
- The Original Las Vegas Marathon 10K
- 10 km
raceindex.org mapped route held
- The Original Las Vegas Marathon 5K
- Held
- The Original Las Vegas Marathon 10K
- Held
raceindex.org elevation profile held
- The Original Las Vegas Marathon 5K
- Held
- The Original Las Vegas Marathon 10K
- Held
Terrain
- The Original Las Vegas Marathon 5K
- Road, Trail
- The Original Las Vegas Marathon 10K
- Road, Trail
Scenery
- The Original Las Vegas Marathon 5K
- Waterfront, Countryside, Desert, Mountain
- The Original Las Vegas Marathon 10K
- Waterfront, Countryside, Desert, Mountain
Atmosphere
- The Original Las Vegas Marathon 5K
- Community, Destination
- The Original Las Vegas Marathon 10K
- Community, Destination
Total ascent
- The Original Las Vegas Marathon 5K
- 28 m
- The Original Las Vegas Marathon 10K
- 55 m
Climbing density
- The Original Las Vegas Marathon 5K
- 5.7 m/km
- The Original Las Vegas Marathon 10K
- 5.5 m/km
Total descent
- The Original Las Vegas Marathon 5K
- 29 m
- The Original Las Vegas Marathon 10K
- 56 m
Net elevation
- The Original Las Vegas Marathon 5K
- -0 m
- The Original Las Vegas Marathon 10K
- -0 m
Max absolute grade
- The Original Las Vegas Marathon 5K
- 3.1%
- The Original Las Vegas Marathon 10K
- 3.3%
Flat grade share
- The Original Las Vegas Marathon 5K
- 78.5%
- The Original Las Vegas Marathon 10K
- 84.5%
GAP factor
- The Original Las Vegas Marathon 5K
- 0.3%
- The Original Las Vegas Marathon 10K
- 0.2%
Entry model
- The Original Las Vegas Marathon 5K
- Open
- The Original Las Vegas Marathon 10K
- 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 5K or The Original Las Vegas Marathon 10K?
The Original Las Vegas Marathon 10K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.