| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 640 m | +31 m | 3.1% | 4.2% |
|
| 2 | 696 m | +57 m | 5.7% | 9.4% |
|
| 3 | 782 m | +85 m | 8.5% | 10.8% |
|
| 4 | 840 m | +59 m | 5.9% | 7.8% |
|
| 5 | 888 m | +47 m | 4.7% | 8.6% |
|
| 6 | 947 m | +59 m | 5.9% | 12% |
|
| 7 | 1017 m | +70 m | 7.0% | 21.8% |
|
| 8 | 1078 m | +61 m | 6.1% | 11.6% |
|
| 9 | 1185 m | +108 m | 10.8% | 15.2% |
|
| 10 | 1273 m | +88 m | 8.8% | 13.4% |
|
| 11 | 1348 m | +75 m | 7.5% | 17% |
|
| 12 | 1381 m | +33 m | 5.6% | 13.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.