Flat grade share
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- 35.6% Favoured
Endurancelife Classic Quarter (Cornwall Coastal Ultra) vs Arc of Attrition Ultramarathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofEndurancelife Classic Quarter (Cornwall Coastal Ultra) or Arc of Attrition Ultramarathon — which comes out ahead?
Arc of Attrition Ultramarathon has the stronger available profile on course flatness and scenery score.
Route comparison snapshot
Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 8.3%
- flat grade share
- 35.6% Favoured
- lower ascent
- 1,916 m
- climbing density
- 27.1 m/km
- net elevation
- 31 m
- maximum grade
- 45.0%
Arc of Attrition Ultramarathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 7.2% Favoured
- flat grade share
- 35.4%
- lower ascent
- 4,116 m
- climbing density
- 25.5 m/km
- net elevation
- 78 m
- maximum grade
- 43.9%
| Metric | Endurancelife Classic Quarter (Cornwall Coastal Ultra) | Arc of Attrition Ultramarathon |
|---|---|---|
| Flat grade share | 35.6% ✓ | 35.4% |
| GAP factor (% slower than flat) | 8.3% | 7.2% ✓ |
| Uphill share | 32.0% | 32.2% |
| Steep-up share | 16.5% | 15.5% |
| Downhill share | 32.4% | 32.5% |
| Total ascent (m) | 1,916 m | 4,116 m |
| Climbing density (m/km) | 27.1 m/km | 25.5 m/km |
| Longest climb length (m) | 840 m | 730 m |
| Longest climb gain (m) | 66 m | 83 m |
| Longest climb average grade | 7.9% | 11.3% |
| Total descent (m) | 1,884 m | 4,038 m |
| Net elevation (m) | 31 m | 78 m |
| Max absolute grade | 45.0% | 43.9% |
| Start elevation (m) | 30 m | 22 m |
| Finish elevation (m) | 61 m | 99 m |
| Value | Unavailable | 44/100 |
| Scenic score | 59/100 | 65/100 ✓ |
| Conditions | 69/100 | Unavailable |
| Entry fee (GBP) | Unavailable | £239 |
| Lowest modelled true cost (GBP) | Unavailable | £369 |
GAP factor (% slower than flat)
- Arc of Attrition Ultramarathon
- 7.2% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Arc of Attrition Ultramarathon
- 25.5 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)
Value
Scenic score
- Arc of Attrition Ultramarathon
- 65/100 Favoured
Conditions
- Arc of Attrition Ultramarathon
- Unavailable
Entry fee (GBP)
Lowest modelled true cost (GBP)
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 | Endurancelife Classic Quarter (Cornwall Coastal Ultra) | Arc of Attrition Ultramarathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-06-06 (legacy event-level date). | Exact race date awaiting a fresh source check. |
| Location | Lizard, South West | Porthtowan, Cornwall, South West |
| Actual distance | 70.8 km | 161.2 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Point To Point | Point To Point |
| Surface | Rock, Mud, Trail | Trail |
| Elevation character | Hilly | Hilly |
| Terrain | Trail | Trail, Beach |
| Scenery | Coastal, Waterfront, Countryside | Coastal, Waterfront, Countryside, Historic |
| Atmosphere | Wilderness, Scenic Tour, Destination | Wilderness, Nighttime, Destination |
| Technicality | Very Technical | Technical |
| Total ascent | 1,916 m | 4,116 m |
| Climbing density | 27.1 m/km | 25.5 m/km |
| Total descent | 1,884 m | 4,038 m |
| Net elevation | 31 m | 78 m |
| Max absolute grade | 45.0% | 43.9% |
| Flat grade share | 35.6% | 35.4% |
| GAP factor | 8.3% | 7.2% |
| Cutoff | Unavailable | 36:00:00 |
| Field cap | 100 | Unavailable |
| Entry model | Open | Open |
| Entry fee | Unavailable | £239 |
| Lowest modelled true cost | Unavailable | £369 |
| Cost model origin | Unavailable | National Average |
Schedule
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
Exact race date not confirmed. Event weekend starts 2026-06-06 (legacy event-level date).
- Arc of Attrition Ultramarathon
Exact race date awaiting a fresh source check.
Location
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Lizard, South West
- Arc of Attrition Ultramarathon
- Porthtowan, Cornwall, South West
Actual distance
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- 70.8 km
- Arc of Attrition Ultramarathon
- 161.2 km
raceindex.org mapped route held
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Held
- Arc of Attrition Ultramarathon
- Held
raceindex.org elevation profile held
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Held
- Arc of Attrition Ultramarathon
- Held
Course type
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Point To Point
- Arc of Attrition Ultramarathon
- Point To Point
Surface
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Rock, Mud, Trail
- Arc of Attrition Ultramarathon
- Trail
Elevation character
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Hilly
- Arc of Attrition Ultramarathon
- Hilly
Terrain
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Trail
- Arc of Attrition Ultramarathon
- Trail, Beach
Scenery
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Coastal, Waterfront, Countryside
- Arc of Attrition Ultramarathon
- Coastal, Waterfront, Countryside, Historic
Atmosphere
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Wilderness, Scenic Tour, Destination
- Arc of Attrition Ultramarathon
- Wilderness, Nighttime, Destination
Technicality
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Very Technical
- Arc of Attrition Ultramarathon
- Technical
Total ascent
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- 1,916 m
- Arc of Attrition Ultramarathon
- 4,116 m
Climbing density
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- 27.1 m/km
- Arc of Attrition Ultramarathon
- 25.5 m/km
Total descent
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- 1,884 m
- Arc of Attrition Ultramarathon
- 4,038 m
Net elevation
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- 31 m
- Arc of Attrition Ultramarathon
- 78 m
Max absolute grade
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- 45.0%
- Arc of Attrition Ultramarathon
- 43.9%
Flat grade share
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- 35.6%
- Arc of Attrition Ultramarathon
- 35.4%
GAP factor
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- 8.3%
- Arc of Attrition Ultramarathon
- 7.2%
Cutoff
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Unavailable
- Arc of Attrition Ultramarathon
- 36:00:00
Field cap
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- 100
- Arc of Attrition Ultramarathon
- Unavailable
Entry model
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Open
- Arc of Attrition Ultramarathon
- Open
Entry fee
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Unavailable
- Arc of Attrition Ultramarathon
- £239
Lowest modelled true cost
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Unavailable
- Arc of Attrition Ultramarathon
- £369
Cost model origin
- Endurancelife Classic Quarter (Cornwall Coastal Ultra)
- Unavailable
- Arc of Attrition Ultramarathon
- National Average
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, Endurancelife Classic Quarter (Cornwall Coastal Ultra) or Arc of Attrition Ultramarathon?
Arc of Attrition Ultramarathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.