| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 52 m | +23 m | 2.3% | 3% |
|
| 2 | 80 m | +28 m | 2.8% | 3.2% |
|
| 3 | 112 m | +32 m | 3.2% | 4% |
|
| 4 | 141 m | +29 m | 2.9% | 4% |
|
| 5 | 176 m | +36 m | 3.6% | 4.4% |
|
| 6 | 242 m | +66 m | 6.6% | 8.4% |
|
| 7 | 342 m | +99 m | 9.9% | 12% |
|
| 8 | 443 m | +102 m | 10.2% | 12.8% |
|
| 9 | 511 m | +68 m | 6.8% | 9.8% |
|
| 10 | 635 m | +124 m | 12.4% | 27.8% |
|
| 11 | 729 m | +94 m | 9.4% | 25.4% |
|
| 12 | 845 m | +116 m | 11.6% | 21.6% |
|
| 13 | 850 m | +5 m | 0.5% | 10.8% |
|
| 14 | 830 m | −20 m | −2.0% | 7% |
|
| 15 | 911 m | +81 m | 8.1% | 9.6% |
|
| 16 | 982 m | +71 m | 7.1% | 8.2% |
|
| 17 | 1038 m | +56 m | 5.6% | 8% |
|
| 18 | 1092 m | +54 m | 5.4% | 6.6% |
|
| 19 | 1107 m | +15 m | 1.5% | 5.6% |
|
| 20 | 1072 m | −35 m | −3.5% | 0.2% |
|
| 21 | 1055 m | −17 m | −1.7% | 6% |
|
| 22 | 1111 m | +56 m | 5.6% | 6.8% |
|
| 23 | 1151 m | +40 m | 4.0% | 9% |
|
| 24 | 1224 m | +73 m | 7.3% | 12% |
|
| 25 | 1314 m | +90 m | 9.0% | 10.6% |
|
| 26 | 1401 m | +87 m | 8.7% | 11.8% |
|
| 27 | 1492 m | +90 m | 9.0% | 11% |
|
| 28 | 1590 m | +98 m | 9.8% | 11% |
|
| 29 | 1701 m | +111 m | 11.1% | 13.8% |
|
| 30 | 1802 m | +101 m | 10.1% | 12.8% |
|
| 31 | 1859 m | +58 m | 5.8% | 11% |
|
| 32 | 1854 m | −5 m | −1.2% | 10% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.