| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 415 m | +34 m | 3.4% | 10% |
|
| 2 | 498 m | +83 m | 8.3% | 13% |
|
| 3 | 605 m | +107 m | 10.7% | 12% |
|
| 4 | 642 m | +37 m | 3.7% | 8.4% |
|
| 5 | 641 m | −2 m | −0.2% | 3.8% |
|
| 6 | 586 m | −55 m | −5.5% | 0% |
|
| 7 | 574 m | −12 m | −1.2% | 7% |
|
| 8 | 573 m | −1 m | −0.1% | 5% |
|
| 9 | 657 m | +84 m | 8.4% | 11.2% |
|
| 10 | 745 m | +88 m | 8.8% | 11.6% |
|
| 11 | 850 m | +105 m | 10.5% | 12.2% |
|
| 12 | 970 m | +120 m | 12.0% | 16% |
|
| 13 | 1031 m | +61 m | 6.1% | 8.8% |
|
| 14 | 1121 m | +90 m | 9.0% | 10.2% |
|
| 15 | 1180 m | +59 m | 5.9% | 9.4% |
|
| 16 | 1192 m | +12 m | 1.2% | 5.2% |
|
| 17 | 1266 m | +74 m | 7.4% | 8.6% |
|
| 18 | 1226 m | −39 m | −3.9% | 0.2% |
|
| 19 | 1209 m | −18 m | −1.8% | 4% |
|
| 20 | 1289 m | +80 m | 8.0% | 10% |
|
| 21 | 1317 m | +28 m | 5.3% | 6.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.