| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 626 m | +61 m | 6.1% | 7% |
|
| 2 | 692 m | +66 m | 6.6% | 7% |
|
| 3 | 736 m | +43 m | 4.3% | 7.8% |
|
| 4 | 785 m | +50 m | 5.0% | 6.4% |
|
| 5 | 817 m | +32 m | 3.2% | 11% |
|
| 6 | 878 m | +60 m | 6.0% | 25.2% |
|
| 7 | 936 m | +58 m | 5.8% | 6.6% |
|
| 8 | 980 m | +44 m | 4.4% | 7.4% |
|
| 9 | 1014 m | +34 m | 3.4% | 9% |
|
| 10 | 1071 m | +57 m | 5.7% | 8.8% |
|
| 11 | 1131 m | +60 m | 6.0% | 6.2% |
|
| 12 | 1184 m | +53 m | 5.3% | 6% |
|
| 13 | 1242 m | +58 m | 5.8% | 7% |
|
| 14 | 1301 m | +59 m | 5.9% | 6.2% |
|
| 15 | 1363 m | +62 m | 6.2% | 8% |
|
| 16 | 1407 m | +44 m | 4.4% | 9% |
|
| 17 | 1475 m | +68 m | 6.8% | 13.2% |
|
| 18 | 1556 m | +81 m | 8.1% | 11% |
|
| 19 | 1618 m | +62 m | 6.2% | 11% |
|
| 20 | 1649 m | +31 m | 8.7% | 11.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.