| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 317 m | +35 m | 3.5% | 6.4% |
|
| 2 | 333 m | +16 m | 1.6% | 4.6% |
|
| 3 | 377 m | +44 m | 4.4% | 9.6% |
|
| 4 | 445 m | +68 m | 6.8% | 8% |
|
| 5 | 499 m | +54 m | 5.4% | 7% |
|
| 6 | 538 m | +39 m | 3.9% | 9% |
|
| 7 | 583 m | +45 m | 4.5% | 10.4% |
|
| 8 | 657 m | +74 m | 7.4% | 10% |
|
| 9 | 734 m | +76 m | 7.6% | 8.6% |
|
| 10 | 811 m | +77 m | 7.7% | 8.8% |
|
| 11 | 886 m | +75 m | 7.5% | 9% |
|
| 12 | 949 m | +63 m | 6.7% | 11.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.