| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 449 m | +89 m | 8.9% | 11% |
|
| 2 | 553 m | +105 m | 10.5% | 11% |
|
| 3 | 600 m | +47 m | 4.7% | 10.6% |
|
| 4 | 684 m | +83 m | 8.3% | 12.2% |
|
| 5 | 747 m | +64 m | 6.4% | 7% |
|
| 6 | 808 m | +61 m | 6.1% | 7% |
|
| 7 | 863 m | +55 m | 5.5% | 7% |
|
| 8 | 863 m | −1 m | −0.1% | 6.8% |
|
| 9 | 834 m | −28 m | −2.8% | 0% |
|
| 10 | 886 m | +52 m | 5.2% | 7% |
|
| 11 | 950 m | +64 m | 6.4% | 7.4% |
|
| 12 | 1013 m | +63 m | 6.3% | 6.8% |
|
| 13 | 1074 m | +61 m | 6.1% | 6.8% |
|
| 14 | 1140 m | +66 m | 6.6% | 7% |
|
| 15 | 1209 m | +69 m | 6.9% | 7.2% |
|
| 16 | 1272 m | +64 m | 6.4% | 7% |
|
| 17 | 1375 m | +102 m | 10.2% | 11.8% |
|
| 18 | 1460 m | +86 m | 8.6% | 12% |
|
| 19 | 1545 m | +85 m | 8.5% | 9% |
|
| 20 | 1612 m | +67 m | 6.7% | 8.2% |
|
| 21 | 1692 m | +80 m | 8.0% | 8.5% |
|
| 22 | 1775 m | +82 m | 8.2% | 8.8% |
|
| 23 | 1787 m | +13 m | 6.6% | 6.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.