| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 755 m | +45 m | 4.5% | 7.6% |
|
| 2 | 825 m | +70 m | 7.0% | 10.6% |
|
| 3 | 891 m | +66 m | 6.6% | 9% |
|
| 4 | 976 m | +85 m | 8.5% | 16.4% |
|
| 5 | 1043 m | +68 m | 6.8% | 12.2% |
|
| 6 | 1117 m | +73 m | 7.3% | 10% |
|
| 7 | 1192 m | +75 m | 7.5% | 12% |
|
| 8 | 1282 m | +90 m | 9.0% | 15.2% |
|
| 9 | 1358 m | +76 m | 7.6% | 10.2% |
|
| 10 | 1419 m | +61 m | 6.1% | 11.6% |
|
| 11 | 1485 m | +67 m | 6.7% | 8.2% |
|
| 12 | 1560 m | +74 m | 7.4% | 9.2% |
|
| 13 | 1640 m | +80 m | 8.0% | 9% |
|
| 14 | 1723 m | +83 m | 8.3% | 9.6% |
|
| 15 | 1790 m | +66 m | 6.6% | 8.5% |
|
| 16 | 1874 m | +85 m | 8.5% | 10.6% |
|
| 17 | 1940 m | +66 m | 6.6% | 10% |
|
| 18 | 2033 m | +93 m | 9.3% | 11.4% |
|
| 19 | 2115 m | +82 m | 9.2% | 11.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.