| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 869 m | +39 m | 3.9% | 34.6% |
|
| 2 | 892 m | +23 m | 2.3% | 18.4% |
|
| 3 | 927 m | +35 m | 3.5% | 5.6% |
|
| 4 | 985 m | +58 m | 5.8% | 13.6% |
|
| 5 | 1058 m | +73 m | 7.3% | 10.6% |
|
| 6 | 1101 m | +43 m | 4.3% | 9% |
|
| 7 | 1171 m | +70 m | 7.0% | 13.6% |
|
| 8 | 1246 m | +75 m | 7.5% | 25% |
|
| 9 | 1304 m | +58 m | 5.8% | 41.6% |
|
| 10 | 1338 m | +34 m | 3.4% | 20.4% |
|
| 11 | 1369 m | +31 m | 3.1% | 24.8% |
|
| 12 | 1377 m | +9 m | 3.0% | 12.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.