| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 656 m | +38 m | 3.8% | 7.6% |
|
| 2 | 700 m | +44 m | 4.4% | 6% |
|
| 3 | 764 m | +64 m | 6.4% | 9% |
|
| 4 | 790 m | +26 m | 2.6% | 4.2% |
|
| 5 | 827 m | +37 m | 3.7% | 7% |
|
| 6 | 893 m | +66 m | 6.6% | 8.8% |
|
| 7 | 942 m | +48 m | 4.8% | 11.4% |
|
| 8 | 1027 m | +85 m | 8.5% | 10.6% |
|
| 9 | 1022 m | −5 m | −0.5% | 10.4% |
|
| 10 | 1083 m | +61 m | 6.1% | 9.8% |
|
| 11 | 1104 m | +21 m | 2.1% | 3.6% |
|
| 12 | 1134 m | +30 m | 3.0% | 6% |
|
| 13 | 1208 m | +74 m | 7.4% | 9% |
|
| 14 | 1297 m | +90 m | 9.0% | 9.5% |
|
| 15 | 1388 m | +90 m | 9.0% | 9.8% |
|
| 16 | 1480 m | +93 m | 9.3% | 10% |
|
| 17 | 1567 m | +87 m | 8.7% | 9.8% |
|
| 18 | 1658 m | +91 m | 9.1% | 9.6% |
|
| 19 | 1704 m | +46 m | 8.1% | 8.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.