| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 318 m | +96 m | 9.6% | 10.8% |
|
| 2 | 416 m | +97 m | 9.7% | 12% |
|
| 3 | 513 m | +98 m | 9.8% | 12.8% |
|
| 4 | 570 m | +56 m | 5.6% | 11.8% |
|
| 5 | 554 m | −15 m | −1.5% | 5.8% |
|
| 6 | 592 m | +38 m | 3.8% | 4.8% |
|
| 7 | 617 m | +25 m | 2.5% | 5.4% |
|
| 8 | 660 m | +43 m | 4.3% | 5% |
|
| 9 | 655 m | −6 m | −0.6% | 4.6% |
|
| 10 | 697 m | +42 m | 4.2% | 8.8% |
|
| 11 | 741 m | +44 m | 4.4% | 7.6% |
|
| 12 | 705 m | −36 m | −3.6% | 8.8% |
|
| 13 | 776 m | +71 m | 7.1% | 8.6% |
|
| 14 | 856 m | +80 m | 8.0% | 8.8% |
|
| 15 | 935 m | +79 m | 7.9% | 8.4% |
|
| 16 | 1014 m | +80 m | 8.0% | 8.2% |
|
| 17 | 1049 m | +34 m | 3.4% | 8.4% |
|
| 18 | 1084 m | +36 m | 4.0% | 7% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.