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