Flat grade share
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- 29.8% Favoured
Endurancelife Pembrokeshire 12K vs Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofEndurancelife Pembrokeshire 12K or Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K — which comes out ahead?
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K has the stronger available profile on flat grade share and course flatness.
Route comparison snapshot
Endurancelife Pembrokeshire 12K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 7.7%
- flat grade share
- 22.6%
- lower ascent
- 353 m
- climbing density
- 29.2 m/km
- net elevation
- 10 m
- maximum grade
- 28.9%
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 4.7% Favoured
- flat grade share
- 29.8% Favoured
- lower ascent
- 288 m
- climbing density
- 24.0 m/km
- net elevation
- -6 m
- maximum grade
- 18.9%
| Metric | Endurancelife Pembrokeshire 12K | Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K |
|---|---|---|
| Flat grade share | 22.6% | 29.8% ✓ |
| GAP factor (% slower than flat) | 7.7% | 4.7% ✓ |
| Uphill share | 37.6% | 33.1% |
| Steep-up share | 19.5% | 17.2% |
| Downhill share | 39.8% | 37.0% |
| Total ascent (m) | 353 m | 288 m |
| Climbing density (m/km) | 29.2 m/km | 24.0 m/km |
| Longest climb length (m) | 280 m | 1,800 m |
| Longest climb gain (m) | 29 m | 173 m |
| Longest climb average grade | 10.3% | 9.6% |
| Total descent (m) | 343 m | 295 m |
| Net elevation (m) | 10 m | -6 m |
| Max absolute grade | 28.9% | 18.9% |
| Start elevation (m) | 24 m | 540 m |
| Finish elevation (m) | 34 m | 534 m |
| Scenic score | 100/100 | Unavailable |
| Conditions | 84/100 | Unavailable |
GAP factor (% slower than flat)
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Endurancelife Pembrokeshire 12K
- 29.2 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
Conditions
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 Pembrokeshire 12K | Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-04-25 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-07-25 (legacy event-level date). |
| Location | Little Haven, Wales | Årefjällen, Sweden |
| Actual distance | 12.1 km | 12 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Surface | Grass, trail, beach and coast path | Trail |
| Terrain | Trail, Beach, Road | Trail |
| Scenery | Coastal, Parkland, Desert, Island, Countryside | Countryside, Mountain, Forest, Lakeside, Riverside |
| Atmosphere | Wilderness, Scenic Tour, Community | Wilderness, Destination, Festival |
| Total ascent | 353 m | 288 m |
| Climbing density | 29.2 m/km | 24.0 m/km |
| Total descent | 343 m | 295 m |
| Net elevation | 10 m | -6 m |
| Max absolute grade | 28.9% | 18.9% |
| Flat grade share | 22.6% | 29.8% |
| GAP factor | 7.7% | 4.7% |
| Field cap | Unavailable | 300 |
| Entry model | Open | Open |
Schedule
- Endurancelife Pembrokeshire 12K
Exact race date not confirmed. Event weekend starts 2026-04-25 (legacy event-level date).
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Exact race date not confirmed. Event weekend starts 2026-07-25 (legacy event-level date).
Location
- Endurancelife Pembrokeshire 12K
- Little Haven, Wales
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- Årefjällen, Sweden
Actual distance
- Endurancelife Pembrokeshire 12K
- 12.1 km
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- 12 km
raceindex.org mapped route held
- Endurancelife Pembrokeshire 12K
- Held
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- Held
raceindex.org elevation profile held
- Endurancelife Pembrokeshire 12K
- Held
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- Held
Surface
- Endurancelife Pembrokeshire 12K
- Grass, trail, beach and coast path
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- Trail
Terrain
- Endurancelife Pembrokeshire 12K
- Trail, Beach, Road
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- Trail
Scenery
- Endurancelife Pembrokeshire 12K
- Coastal, Parkland, Desert, Island, Countryside
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- Countryside, Mountain, Forest, Lakeside, Riverside
Atmosphere
- Endurancelife Pembrokeshire 12K
- Wilderness, Scenic Tour, Community
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- Wilderness, Destination, Festival
Total ascent
- Endurancelife Pembrokeshire 12K
- 353 m
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- 288 m
Climbing density
- Endurancelife Pembrokeshire 12K
- 29.2 m/km
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- 24.0 m/km
Total descent
- Endurancelife Pembrokeshire 12K
- 343 m
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- 295 m
Net elevation
- Endurancelife Pembrokeshire 12K
- 10 m
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- -6 m
Max absolute grade
- Endurancelife Pembrokeshire 12K
- 28.9%
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- 18.9%
Flat grade share
- Endurancelife Pembrokeshire 12K
- 22.6%
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- 29.8%
GAP factor
- Endurancelife Pembrokeshire 12K
- 7.7%
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- 4.7%
Field cap
- Endurancelife Pembrokeshire 12K
- Unavailable
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- 300
Entry model
- Endurancelife Pembrokeshire 12K
- Open
- Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
- 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, Endurancelife Pembrokeshire 12K or Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K?
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.