Flat grade share
- Lake Tahoe Marathon Ultramarathon
- 46.7% Favoured
Lake Tahoe Marathon Ultramarathon vs Tahoe Rim Trail Endurance Runs Ultramarathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofLake Tahoe Marathon Ultramarathon or Tahoe Rim Trail Endurance Runs Ultramarathon — which comes out ahead?
Lake Tahoe Marathon Ultramarathon has the stronger available profile on flat grade share, course flatness and conditions.
Route comparison snapshot
Lake Tahoe Marathon Ultramarathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 3.1% Favoured
- flat grade share
- 46.7% Favoured
- lower ascent
- 1,912 m
- climbing density
- 16.5 m/km
- net elevation
- -27 m
- maximum grade
- 44.7%
Tahoe Rim Trail Endurance Runs Ultramarathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 8.4%
- flat grade share
- 17.3%
- lower ascent
- 5,117 m
- climbing density
- 31.2 m/km
- net elevation
- -0 m
- maximum grade
- 34.8%
| Metric | Lake Tahoe Marathon Ultramarathon | Tahoe Rim Trail Endurance Runs Ultramarathon |
|---|---|---|
| Flat grade share | 46.7% ✓ | 17.3% |
| GAP factor (% slower than flat) | 3.1% ✓ | 8.4% |
| Uphill share | 25.7% | 38.1% |
| Steep-up share | 9.5% | 22.7% |
| Downhill share | 27.7% | 44.7% |
| Total ascent (m) | 1,912 m | 5,117 m |
| Climbing density (m/km) | 16.5 m/km | 31.2 m/km |
| Longest climb length (m) | 2,540 m | 8,770 m |
| Longest climb gain (m) | 172 m | 976 m |
| Longest climb average grade | 6.8% | 11.1% |
| Total descent (m) | 1,939 m | 5,117 m |
| Net elevation (m) | -27 m | -0 m |
| Max absolute grade | 44.7% | 34.8% |
| Start elevation (m) | 1,931 m | 1,487 m |
| Finish elevation (m) | 1,904 m | 1,487 m |
| Scenic score | 93/100 | 100/100 ✓ |
| Conditions | 96/100 ✓ | 42/100 |
GAP factor (% slower than flat)
- Lake Tahoe Marathon Ultramarathon
- 3.1% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Lake Tahoe Marathon Ultramarathon
- 16.5 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
- Tahoe Rim Trail Endurance Runs Ultramarathon
- 100/100 Favoured
Conditions
- Lake Tahoe Marathon Ultramarathon
- 96/100 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 | Lake Tahoe Marathon Ultramarathon | Tahoe Rim Trail Endurance Runs Ultramarathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-10-16 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-07-18 (legacy event-level date). |
| Location | Incline Village, Nevada | Carson City, Nevada |
| Actual distance | 115.9 km | 164.2 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Loop | Out And Back |
| Surface | Unavailable | Trail |
| Elevation character | Unavailable | Mountainous |
| Terrain | Beach | Trail, Road, Mixed |
| Scenery | Coastal, Lakeside, Mountain, Forest | Mountain, Forest, Lakeside, Countryside |
| Atmosphere | Scenic Tour, Destination, Festival | Wilderness, Destination |
| Technicality | Unavailable | Moderate |
| Total ascent | 1,912 m | 5,117 m |
| Climbing density | 16.5 m/km | 31.2 m/km |
| Total descent | 1,939 m | 5,117 m |
| Net elevation | -27 m | -0 m |
| Max absolute grade | 44.7% | 34.8% |
| Flat grade share | 46.7% | 17.3% |
| GAP factor | 3.1% | 8.4% |
| Cutoff | 18:00:00 | 36:00:00 |
| Entry model | Open | Open |
Schedule
- Lake Tahoe Marathon Ultramarathon
Exact race date not confirmed. Event weekend starts 2026-10-16 (legacy event-level date).
- Tahoe Rim Trail Endurance Runs Ultramarathon
Exact race date not confirmed. Event weekend starts 2026-07-18 (legacy event-level date).
Location
- Lake Tahoe Marathon Ultramarathon
- Incline Village, Nevada
- Tahoe Rim Trail Endurance Runs Ultramarathon
- Carson City, Nevada
Actual distance
- Lake Tahoe Marathon Ultramarathon
- 115.9 km
- Tahoe Rim Trail Endurance Runs Ultramarathon
- 164.2 km
raceindex.org mapped route held
- Lake Tahoe Marathon Ultramarathon
- Held
- Tahoe Rim Trail Endurance Runs Ultramarathon
- Held
raceindex.org elevation profile held
- Lake Tahoe Marathon Ultramarathon
- Held
- Tahoe Rim Trail Endurance Runs Ultramarathon
- Held
Course type
- Lake Tahoe Marathon Ultramarathon
- Loop
- Tahoe Rim Trail Endurance Runs Ultramarathon
- Out And Back
Surface
- Lake Tahoe Marathon Ultramarathon
- Unavailable
- Tahoe Rim Trail Endurance Runs Ultramarathon
- Trail
Elevation character
- Lake Tahoe Marathon Ultramarathon
- Unavailable
- Tahoe Rim Trail Endurance Runs Ultramarathon
- Mountainous
Terrain
- Lake Tahoe Marathon Ultramarathon
- Beach
- Tahoe Rim Trail Endurance Runs Ultramarathon
- Trail, Road, Mixed
Scenery
- Lake Tahoe Marathon Ultramarathon
- Coastal, Lakeside, Mountain, Forest
- Tahoe Rim Trail Endurance Runs Ultramarathon
- Mountain, Forest, Lakeside, Countryside
Atmosphere
- Lake Tahoe Marathon Ultramarathon
- Scenic Tour, Destination, Festival
- Tahoe Rim Trail Endurance Runs Ultramarathon
- Wilderness, Destination
Technicality
- Lake Tahoe Marathon Ultramarathon
- Unavailable
- Tahoe Rim Trail Endurance Runs Ultramarathon
- Moderate
Total ascent
- Lake Tahoe Marathon Ultramarathon
- 1,912 m
- Tahoe Rim Trail Endurance Runs Ultramarathon
- 5,117 m
Climbing density
- Lake Tahoe Marathon Ultramarathon
- 16.5 m/km
- Tahoe Rim Trail Endurance Runs Ultramarathon
- 31.2 m/km
Total descent
- Lake Tahoe Marathon Ultramarathon
- 1,939 m
- Tahoe Rim Trail Endurance Runs Ultramarathon
- 5,117 m
Net elevation
- Lake Tahoe Marathon Ultramarathon
- -27 m
- Tahoe Rim Trail Endurance Runs Ultramarathon
- -0 m
Max absolute grade
- Lake Tahoe Marathon Ultramarathon
- 44.7%
- Tahoe Rim Trail Endurance Runs Ultramarathon
- 34.8%
Flat grade share
- Lake Tahoe Marathon Ultramarathon
- 46.7%
- Tahoe Rim Trail Endurance Runs Ultramarathon
- 17.3%
GAP factor
- Lake Tahoe Marathon Ultramarathon
- 3.1%
- Tahoe Rim Trail Endurance Runs Ultramarathon
- 8.4%
Cutoff
- Lake Tahoe Marathon Ultramarathon
- 18:00:00
- Tahoe Rim Trail Endurance Runs Ultramarathon
- 36:00:00
Entry model
- Lake Tahoe Marathon Ultramarathon
- Open
- Tahoe Rim Trail Endurance Runs Ultramarathon
- 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, Lake Tahoe Marathon Ultramarathon or Tahoe Rim Trail Endurance Runs Ultramarathon?
Lake Tahoe Marathon Ultramarathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.