| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 647 m | +78 m | 7.8% | 10% |
|
| 2 | 669 m | +23 m | 2.3% | 6% |
|
| 3 | 679 m | +10 m | 1.0% | 2.4% |
|
| 4 | 715 m | +36 m | 3.6% | 6.4% |
|
| 5 | 742 m | +27 m | 2.7% | 5.8% |
|
| 6 | 778 m | +37 m | 3.7% | 7.8% |
|
| 7 | 808 m | +30 m | 3.0% | 8% |
|
| 8 | 868 m | +60 m | 6.0% | 9.6% |
|
| 9 | 922 m | +53 m | 5.3% | 9% |
|
| 10 | 1032 m | +110 m | 11.0% | 18.8% |
|
| 11 | 1080 m | +48 m | 4.8% | 8.6% |
|
| 12 | 1164 m | +84 m | 8.4% | 22.6% |
|
| 13 | 1254 m | +90 m | 9.0% | 14% |
|
| 14 | 1293 m | +39 m | 3.9% | 7% |
|
| 15 | 1380 m | +88 m | 8.8% | 12% |
|
| 16 | 1474 m | +93 m | 9.3% | 12% |
|
| 17 | 1575 m | +101 m | 10.1% | 15.8% |
|
| 18 | 1657 m | +82 m | 8.2% | 11.2% |
|
| 19 | 1737 m | +81 m | 8.1% | 9% |
|
| 20 | 1756 m | +19 m | 8.8% | 9.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.