Flat grade share
- Endurancelife Pembrokeshire Ultramarathon
- 32.6% Favoured
Ultra-Trail Snowdonia by UTMB vs Endurancelife Pembrokeshire Ultramarathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofUltra-Trail Snowdonia by UTMB or Endurancelife Pembrokeshire Ultramarathon — which comes out ahead?
Endurancelife Pembrokeshire Ultramarathon has the stronger available profile on flat grade share and conditions.
Route comparison snapshot
Ultra-Trail Snowdonia by UTMB
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- Unavailable
- flat grade share
- 15.8%
- lower ascent
- 9,055 m
- climbing density
- 55.6 m/km
- net elevation
- -0 m
- maximum grade
- 59.5%
Endurancelife Pembrokeshire Ultramarathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 5.2%
- flat grade share
- 32.6% Favoured
- lower ascent
- 1,270 m
- climbing density
- 22.8 m/km
- net elevation
- 1 m
- maximum grade
- 29.0%
| Metric | Ultra-Trail Snowdonia by UTMB | Endurancelife Pembrokeshire Ultramarathon |
|---|---|---|
| Flat grade share | 15.8% | 32.6% ✓ |
| GAP factor (% slower than flat) | Unavailable | 5.2% |
| Uphill share | 40.8% | 35.0% |
| Steep-up share | 31.1% | 13.3% |
| Downhill share | 43.4% | 32.4% |
| Total ascent (m) | 9,055 m | 1,270 m |
| Climbing density (m/km) | 55.6 m/km | 22.8 m/km |
| Longest climb length (m) | 6,930 m | 890 m |
| Longest climb gain (m) | 885 m | 48 m |
| Longest climb average grade | 12.8% | 5.4% |
| Total descent (m) | 9,055 m | 1,269 m |
| Net elevation (m) | -0 m | 1 m |
| Max absolute grade | 59.5% | 29.0% |
| Start elevation (m) | 105 m | 33 m |
| Finish elevation (m) | 105 m | 34 m |
| Median finish context (s) | 41:52:42 | Unavailable |
| Value | 41/100 | Unavailable |
| Scenic score | 100/100 | 100/100 |
| Conditions | 79/100 | 84/100 ✓ |
| Entry fee (GBP) | £259 | Unavailable |
| Lowest modelled true cost (GBP) | £389 | Unavailable |
GAP factor (% slower than flat)
- Ultra-Trail Snowdonia by UTMB
- Unavailable
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Ultra-Trail Snowdonia by UTMB
- 55.6 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)
Median finish context (s)
- Ultra-Trail Snowdonia by UTMB
- 41:52:42
- Endurancelife Pembrokeshire Ultramarathon
- Unavailable
Value
- Endurancelife Pembrokeshire Ultramarathon
- Unavailable
Scenic score
Conditions
- Endurancelife Pembrokeshire Ultramarathon
- 84/100 Favoured
Entry fee (GBP)
- Endurancelife Pembrokeshire Ultramarathon
- Unavailable
Lowest modelled true cost (GBP)
- Endurancelife Pembrokeshire Ultramarathon
- Unavailable
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 | Ultra-Trail Snowdonia by UTMB | Endurancelife Pembrokeshire Ultramarathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-05-15 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-04-25 (legacy event-level date). |
| Location | Llanberis, Wales | Little Haven, Wales |
| Actual distance | 163 km | 55.8 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Loop | Point To Point |
| Surface | Trail | Grass, trail, beach and coast path |
| Elevation character | Mountainous | Hilly |
| Terrain | Trail, Fell | Trail, Beach, Road |
| Scenery | Mountain, Lakeside, Parkland, Countryside, Moorland, Riverside, Historic | Coastal, Parkland, Desert, Island, Countryside |
| Atmosphere | Wilderness, Destination, Competitive | Wilderness, Scenic Tour, Community |
| Technicality | Very Technical | Unavailable |
| Total ascent | 9,055 m | 1,270 m |
| Climbing density | 55.6 m/km | 22.8 m/km |
| Total descent | 9,055 m | 1,269 m |
| Net elevation | -0 m | 1 m |
| Max absolute grade | 59.5% | 29.0% |
| Flat grade share | 15.8% | 32.6% |
| GAP factor | Unavailable | 5.2% |
| Cutoff | 48:00:00 | Unavailable |
| Latest finishers | 112 | Unavailable |
| Entry model | Qualifier | Open |
| Entry fee | £259 | Unavailable |
| Lowest modelled true cost | £389 | Unavailable |
| Cost model origin | National Average | Unavailable |
Schedule
- Ultra-Trail Snowdonia by UTMB
Exact race date not confirmed. Event weekend starts 2026-05-15 (legacy event-level date).
- Endurancelife Pembrokeshire Ultramarathon
Exact race date not confirmed. Event weekend starts 2026-04-25 (legacy event-level date).
Location
- Ultra-Trail Snowdonia by UTMB
- Llanberis, Wales
- Endurancelife Pembrokeshire Ultramarathon
- Little Haven, Wales
Actual distance
- Ultra-Trail Snowdonia by UTMB
- 163 km
- Endurancelife Pembrokeshire Ultramarathon
- 55.8 km
raceindex.org mapped route held
- Ultra-Trail Snowdonia by UTMB
- Held
- Endurancelife Pembrokeshire Ultramarathon
- Held
raceindex.org elevation profile held
- Ultra-Trail Snowdonia by UTMB
- Held
- Endurancelife Pembrokeshire Ultramarathon
- Held
Course type
- Ultra-Trail Snowdonia by UTMB
- Loop
- Endurancelife Pembrokeshire Ultramarathon
- Point To Point
Surface
- Ultra-Trail Snowdonia by UTMB
- Trail
- Endurancelife Pembrokeshire Ultramarathon
- Grass, trail, beach and coast path
Elevation character
- Ultra-Trail Snowdonia by UTMB
- Mountainous
- Endurancelife Pembrokeshire Ultramarathon
- Hilly
Terrain
- Ultra-Trail Snowdonia by UTMB
- Trail, Fell
- Endurancelife Pembrokeshire Ultramarathon
- Trail, Beach, Road
Scenery
- Ultra-Trail Snowdonia by UTMB
- Mountain, Lakeside, Parkland, Countryside, Moorland, Riverside, Historic
- Endurancelife Pembrokeshire Ultramarathon
- Coastal, Parkland, Desert, Island, Countryside
Atmosphere
- Ultra-Trail Snowdonia by UTMB
- Wilderness, Destination, Competitive
- Endurancelife Pembrokeshire Ultramarathon
- Wilderness, Scenic Tour, Community
Technicality
- Ultra-Trail Snowdonia by UTMB
- Very Technical
- Endurancelife Pembrokeshire Ultramarathon
- Unavailable
Total ascent
- Ultra-Trail Snowdonia by UTMB
- 9,055 m
- Endurancelife Pembrokeshire Ultramarathon
- 1,270 m
Climbing density
- Ultra-Trail Snowdonia by UTMB
- 55.6 m/km
- Endurancelife Pembrokeshire Ultramarathon
- 22.8 m/km
Total descent
- Ultra-Trail Snowdonia by UTMB
- 9,055 m
- Endurancelife Pembrokeshire Ultramarathon
- 1,269 m
Net elevation
- Ultra-Trail Snowdonia by UTMB
- -0 m
- Endurancelife Pembrokeshire Ultramarathon
- 1 m
Max absolute grade
- Ultra-Trail Snowdonia by UTMB
- 59.5%
- Endurancelife Pembrokeshire Ultramarathon
- 29.0%
Flat grade share
- Ultra-Trail Snowdonia by UTMB
- 15.8%
- Endurancelife Pembrokeshire Ultramarathon
- 32.6%
GAP factor
- Ultra-Trail Snowdonia by UTMB
- Unavailable
- Endurancelife Pembrokeshire Ultramarathon
- 5.2%
Cutoff
- Ultra-Trail Snowdonia by UTMB
- 48:00:00
- Endurancelife Pembrokeshire Ultramarathon
- Unavailable
Latest finishers
- Ultra-Trail Snowdonia by UTMB
- 112
- Endurancelife Pembrokeshire Ultramarathon
- Unavailable
Entry model
- Ultra-Trail Snowdonia by UTMB
- Qualifier
- Endurancelife Pembrokeshire Ultramarathon
- Open
Entry fee
- Ultra-Trail Snowdonia by UTMB
- £259
- Endurancelife Pembrokeshire Ultramarathon
- Unavailable
Lowest modelled true cost
- Ultra-Trail Snowdonia by UTMB
- £389
- Endurancelife Pembrokeshire Ultramarathon
- Unavailable
Cost model origin
- Ultra-Trail Snowdonia by UTMB
- National Average
- Endurancelife Pembrokeshire Ultramarathon
- Unavailable
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.