- GAP factor
- 4.7%
- Ascent
- 288 m
- Climb density
- 24.0 m/km
- Descent
- 295 m
- Net elevation
- -6 m
- Max absolute grade
- 18.9%
As of
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The lowest gap factor 12ks, ranked from trusted raw-elevation route profiles across 7 qualifying races.
Ranking current as ofKia Fjällmaraton (Fjällmaratonveckan), Årefjällen leads this ranking on gap factor (4.7%).
Compare Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen vs Endurancelife Pembrokeshire
| # | Race | GAP factor | Ascent | Climb density | Descent | Net elevation | Max absolute grade | As of |
|---|---|---|---|---|---|---|---|---|
| 1 | Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K - sweden | 4.7% | 288 m | 24.0 m/km | 295 m | -6 m | 18.9% | |
| 2 | Endurancelife Pembrokeshire 12K - wales | 7.7% | 353 m | 29.2 m/km | 343 m | 10 m | 28.9% | |
| 3 | Soča Outdoor Festival 12K - slovenia | 7.8% | 310 m | 26.5 m/km | 318 m | -9 m | 38.0% | |
| 4 | Carson Canyons Super-K Trail Runs 12K - nevada | 10.2% | 473 m | 39.4 m/km | 464 m | 9 m | 26.6% | |
| 5 | Dolomiti Extreme Trail 12K - italy | 20.3% | 571 m | 47.6 m/km | 573 m | -2 m | 48.6% | |
| 6 | The Arctic Triple // Lofoten Ultra-Trail 12K - norway | 25.0% | 464 m | 38.7 m/km | 465 m | -0 m | 91.3% | |
| 7 | Garda Trentino Trail 12K - italy | 35.9% | 806 m | 67.2 m/km | 806 m | -0 m | 72.7% |
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7 qualifying races in this ranking; use the distance catalogue to search the full distance list. Scores are out of 100 when present; route, elevation and cost figures are shown in their natural units.
Races are ranked by GAP factor. Score metrics use methodology scoring-methodology-v1.0. Elevation rankings use only trusted raw-elevation course profiles. A ranking is only published when at least five races qualify, so the table is never padded with thin data.
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K ranks first by gap factor, from 7 qualifying races compared under our published methodology.