- Absolute max grade
- 91.3%
- Ascent
- 464 m
- Climb density
- 38.7 m/km
- Descent
- 465 m
- Net elevation
- -0 m
As of
Steepest 12ks
The steepest 12ks, ranked from trusted raw-elevation route profiles across 7 qualifying races.
Ranking current as ofWhich race ranks first — and why is it The Arctic Triple // Lofoten Ultra-Trail?
The Arctic Triple // Lofoten Ultra-Trail leads this ranking on absolute max grade (91.3%).
Compare The Arctic Triple // Lofoten Ultra-Trail vs Garda Trentino Trail
| # | Race | Absolute max grade | Ascent | Climb density | Descent | Net elevation | As of |
|---|---|---|---|---|---|---|---|
| 1 | The Arctic Triple // Lofoten Ultra-Trail 12K - norway | 91.3% | 464 m | 38.7 m/km | 465 m | -0 m | |
| 2 | Garda Trentino Trail 12K - italy | 72.7% | 806 m | 67.2 m/km | 806 m | -0 m | |
| 3 | Dolomiti Extreme Trail 12K - italy | 48.6% | 571 m | 47.6 m/km | 573 m | -2 m | |
| 4 | Soča Outdoor Festival 12K - slovenia | 38.0% | 310 m | 26.5 m/km | 318 m | -9 m | |
| 5 | Endurancelife Pembrokeshire 12K - wales | 28.9% | 353 m | 29.2 m/km | 343 m | 10 m | |
| 6 | Carson Canyons Super-K Trail Runs 12K - nevada | 26.6% | 473 m | 39.4 m/km | 464 m | 9 m | |
| 7 | Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K - sweden | 18.9% | 288 m | 24.0 m/km | 295 m | -6 m |
- Absolute max grade
- 72.7%
- Ascent
- 806 m
- Climb density
- 67.2 m/km
- Descent
- 806 m
- Net elevation
- -0 m
As of
- Absolute max grade
- 48.6%
- Ascent
- 571 m
- Climb density
- 47.6 m/km
- Descent
- 573 m
- Net elevation
- -2 m
As of
Soča Outdoor Festival 12Kslovenia
- Absolute max grade
- 38.0%
- Ascent
- 310 m
- Climb density
- 26.5 m/km
- Descent
- 318 m
- Net elevation
- -9 m
As of
- Absolute max grade
- 28.9%
- Ascent
- 353 m
- Climb density
- 29.2 m/km
- Descent
- 343 m
- Net elevation
- 10 m
As of
- Absolute max grade
- 26.6%
- Ascent
- 473 m
- Climb density
- 39.4 m/km
- Descent
- 464 m
- Net elevation
- 9 m
As of
- Absolute max grade
- 18.9%
- Ascent
- 288 m
- Climb density
- 24.0 m/km
- Descent
- 295 m
- Net elevation
- -6 m
As of
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.
How we ranked these
Races are ranked by Absolute max grade. 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.
Route maps for this ranking
Common questions
What is the steepest 12ks?
The Arctic Triple // Lofoten Ultra-Trail 12K ranks first by absolute max grade, from 7 qualifying races compared under our published methodology.