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