| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 488 m | +17 m | 1.7% | 6% |
|
| 2 | 545 m | +57 m | 5.7% | 7.4% |
|
| 3 | 628 m | +83 m | 8.3% | 11.4% |
|
| 4 | 723 m | +95 m | 9.5% | 11.4% |
|
| 5 | 828 m | +106 m | 10.6% | 14.6% |
|
| 6 | 930 m | +102 m | 10.2% | 15.8% |
|
| 7 | 1019 m | +89 m | 8.9% | 15.4% |
|
| 8 | 1095 m | +76 m | 7.6% | 12.2% |
|
| 9 | 1187 m | +92 m | 9.2% | 10.8% |
|
| 10 | 1262 m | +75 m | 7.5% | 11.2% |
|
| 11 | 1362 m | +100 m | 10.0% | 13.2% |
|
| 12 | 1453 m | +91 m | 9.1% | 11.2% |
|
| 13 | 1516 m | +63 m | 6.3% | 9.4% |
|
| 14 | 1577 m | +61 m | 6.1% | 10% |
|
| 15 | 1647 m | +70 m | 7.0% | 10.2% |
|
| 16 | 1722 m | +75 m | 7.5% | 9% |
|
| 17 | 1793 m | +71 m | 7.1% | 8.4% |
|
| 18 | 1873 m | +80 m | 8.0% | 9% |
|
| 19 | 1952 m | +79 m | 7.9% | 9.2% |
|
| 20 | 1993 m | +41 m | 7.5% | 8.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.