| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 662 m | +42 m | 4.2% | 9.8% |
|
| 2 | 711 m | +49 m | 4.9% | 9.4% |
|
| 3 | 766 m | +55 m | 5.5% | 21.8% |
|
| 4 | 795 m | +29 m | 2.9% | 5.8% |
|
| 5 | 839 m | +44 m | 4.4% | 10.8% |
|
| 6 | 891 m | +51 m | 5.1% | 9.4% |
|
| 7 | 956 m | +65 m | 6.5% | 12.6% |
|
| 8 | 1041 m | +85 m | 8.5% | 12% |
|
| 9 | 1027 m | −14 m | −1.4% | 9.2% |
|
| 10 | 1087 m | +60 m | 6.0% | 11.6% |
|
| 11 | 1105 m | +18 m | 1.8% | 6.4% |
|
| 12 | 1140 m | +35 m | 3.5% | 9.4% |
|
| 13 | 1219 m | +79 m | 7.9% | 11.4% |
|
| 14 | 1309 m | +90 m | 9.0% | 13% |
|
| 15 | 1399 m | +90 m | 9.0% | 11% |
|
| 16 | 1489 m | +90 m | 9.0% | 11.6% |
|
| 17 | 1579 m | +90 m | 9.0% | 11.4% |
|
| 18 | 1668 m | +89 m | 8.9% | 15% |
|
| 19 | 1708 m | +40 m | 8.4% | 10.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.