Flat grade share
- Leadville Trail 100 Run Ultramarathon
- 38.1% Favoured
Hardrock Hundred Mile Endurance Run Ultramarathon vs Leadville Trail 100 Run Ultramarathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofHardrock Hundred Mile Endurance Run Ultramarathon or Leadville Trail 100 Run Ultramarathon — which comes out ahead?
Leadville Trail 100 Run Ultramarathon has the stronger available profile on flat grade share and conditions.
Route comparison snapshot
Hardrock Hundred Mile Endurance Run Ultramarathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- Unavailable
- flat grade share
- 14.2%
- lower ascent
- 9,546 m
- climbing density
- 59.3 m/km
- net elevation
- -1 m
- maximum grade
- Unavailable
Leadville Trail 100 Run Ultramarathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 8.9%
- flat grade share
- 38.1% Favoured
- lower ascent
- 4,444 m
- climbing density
- 27.7 m/km
- net elevation
- -0 m
- maximum grade
- 42.6%
| Metric | Hardrock Hundred Mile Endurance Run Ultramarathon | Leadville Trail 100 Run Ultramarathon |
|---|---|---|
| Flat grade share | 14.2% | 38.1% ✓ |
| GAP factor (% slower than flat) | Unavailable | 8.9% |
| Uphill share | 38.4% | 31.1% |
| Steep-up share | 31.6% | 16.5% |
| Downhill share | 47.4% | 30.8% |
| Total ascent (m) | 9,546 m | 4,444 m |
| Climbing density (m/km) | 59.3 m/km | 27.7 m/km |
| Longest climb length (m) | 4,860 m | 5,660 m |
| Longest climb gain (m) | 1,031 m | 898 m |
| Longest climb average grade | 21.2% | 15.9% |
| Total descent (m) | 9,547 m | 4,445 m |
| Net elevation (m) | -1 m | -0 m |
| Max absolute grade | Unavailable | 42.6% |
| Start elevation (m) | 2,838 m | 3,088 m |
| Finish elevation (m) | 2,838 m | 3,088 m |
| Scenic score | 100/100 ✓ | 89/100 |
| Conditions | 20/100 | 95/100 ✓ |
GAP factor (% slower than flat)
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
- Hardrock Hundred Mile Endurance Run Ultramarathon
- 100/100 Favoured
Conditions
- Leadville Trail 100 Run Ultramarathon
- 95/100 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 | Hardrock Hundred Mile Endurance Run Ultramarathon | Leadville Trail 100 Run Ultramarathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-07-10 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-08-22 (legacy event-level date). |
| Location | Silverton, Colorado | Leadville, Colorado |
| Actual distance | 161 km | 160.5 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Loop | Out And Back |
| Surface | Mostly mountain trail with some road and cross Country alpine sections above timberline. | Mostly forest trail with some mountain roads |
| Elevation character | Mountainous | Mountainous |
| Terrain | Trail, Mixed | Unavailable |
| Scenery | Mountain, Forest, Lakeside, City, Countryside, Riverside, Historic | Mountain, Countryside, Forest, Lakeside |
| Atmosphere | Wilderness, Destination, Nighttime | Unavailable |
| Technicality | Very Technical | Technical |
| Total ascent | 9,546 m | 4,444 m |
| Climbing density | 59.3 m/km | 27.7 m/km |
| Total descent | 9,547 m | 4,445 m |
| Net elevation | -1 m | -0 m |
| Max absolute grade | Unavailable | 42.6% |
| Flat grade share | 14.2% | 38.1% |
| GAP factor | Unavailable | 8.9% |
| Cutoff | 48:00:00 | 30:00:00 |
| Field cap | 147 | Unavailable |
| Entry model | Ballot | Ballot |
Schedule
- Hardrock Hundred Mile Endurance Run Ultramarathon
Exact race date not confirmed. Event weekend starts 2026-07-10 (legacy event-level date).
- Leadville Trail 100 Run Ultramarathon
Exact race date not confirmed. Event weekend starts 2026-08-22 (legacy event-level date).
Location
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Silverton, Colorado
- Leadville Trail 100 Run Ultramarathon
- Leadville, Colorado
Actual distance
- Hardrock Hundred Mile Endurance Run Ultramarathon
- 161 km
- Leadville Trail 100 Run Ultramarathon
- 160.5 km
raceindex.org mapped route held
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Held
- Leadville Trail 100 Run Ultramarathon
- Held
raceindex.org elevation profile held
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Held
- Leadville Trail 100 Run Ultramarathon
- Held
Course type
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Loop
- Leadville Trail 100 Run Ultramarathon
- Out And Back
Surface
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Mostly mountain trail with some road and cross Country alpine sections above timberline.
- Leadville Trail 100 Run Ultramarathon
- Mostly forest trail with some mountain roads
Elevation character
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Mountainous
- Leadville Trail 100 Run Ultramarathon
- Mountainous
Terrain
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Trail, Mixed
- Leadville Trail 100 Run Ultramarathon
- Unavailable
Scenery
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Mountain, Forest, Lakeside, City, Countryside, Riverside, Historic
- Leadville Trail 100 Run Ultramarathon
- Mountain, Countryside, Forest, Lakeside
Atmosphere
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Wilderness, Destination, Nighttime
- Leadville Trail 100 Run Ultramarathon
- Unavailable
Technicality
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Very Technical
- Leadville Trail 100 Run Ultramarathon
- Technical
Total ascent
- Hardrock Hundred Mile Endurance Run Ultramarathon
- 9,546 m
- Leadville Trail 100 Run Ultramarathon
- 4,444 m
Climbing density
- Hardrock Hundred Mile Endurance Run Ultramarathon
- 59.3 m/km
- Leadville Trail 100 Run Ultramarathon
- 27.7 m/km
Total descent
- Hardrock Hundred Mile Endurance Run Ultramarathon
- 9,547 m
- Leadville Trail 100 Run Ultramarathon
- 4,445 m
Net elevation
- Hardrock Hundred Mile Endurance Run Ultramarathon
- -1 m
- Leadville Trail 100 Run Ultramarathon
- -0 m
Max absolute grade
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Unavailable
- Leadville Trail 100 Run Ultramarathon
- 42.6%
Flat grade share
- Hardrock Hundred Mile Endurance Run Ultramarathon
- 14.2%
- Leadville Trail 100 Run Ultramarathon
- 38.1%
GAP factor
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Unavailable
- Leadville Trail 100 Run Ultramarathon
- 8.9%
Cutoff
- Hardrock Hundred Mile Endurance Run Ultramarathon
- 48:00:00
- Leadville Trail 100 Run Ultramarathon
- 30:00:00
Field cap
- Hardrock Hundred Mile Endurance Run Ultramarathon
- 147
- Leadville Trail 100 Run Ultramarathon
- Unavailable
Entry model
- Hardrock Hundred Mile Endurance Run Ultramarathon
- Ballot
- Leadville Trail 100 Run Ultramarathon
- Ballot
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.