| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 483 m | +48 m | 4.8% | 7% |
|
| 2 | 550 m | +68 m | 6.8% | 22.2% |
|
| 3 | 595 m | +45 m | 4.5% | 8.8% |
|
| 4 | 673 m | +78 m | 7.8% | 12.2% |
|
| 5 | 702 m | +29 m | 2.9% | 8.2% |
|
| 6 | 764 m | +62 m | 6.2% | 9% |
|
| 7 | 775 m | +11 m | 1.1% | 2.8% |
|
| 8 | 772 m | −2 m | −0.2% | 3% |
|
| 9 | 814 m | +41 m | 4.1% | 13.2% |
|
| 10 | 855 m | +41 m | 4.1% | 10.6% |
|
| 11 | 945 m | +90 m | 9.0% | 13.6% |
|
| 12 | 997 m | +52 m | 5.2% | 8.4% |
|
| 13 | 1058 m | +61 m | 6.1% | 8.8% |
|
| 14 | 1138 m | +80 m | 8.0% | 9.6% |
|
| 15 | 1197 m | +59 m | 5.9% | 7.2% |
|
| 16 | 1294 m | +97 m | 9.7% | 20.8% |
|
| 17 | 1350 m | +56 m | 5.6% | 10% |
|
| 18 | 1439 m | +89 m | 8.9% | 15.8% |
|
| 19 | 1521 m | +82 m | 8.2% | 14.4% |
|
| 20 | 1581 m | +60 m | 6.0% | 9.6% |
|
| 21 | 1604 m | +24 m | 5.9% | 11.4% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.