| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 274 m | +32 m | 3.2% | 5.6% |
|
| 2 | 321 m | +47 m | 4.7% | 5.4% |
|
| 3 | 377 m | +56 m | 5.6% | 6.6% |
|
| 4 | 329 m | −47 m | −4.7% | 0% |
|
| 5 | 331 m | +1 m | 0.1% | 5.4% |
|
| 6 | 390 m | +59 m | 5.9% | 8.6% |
|
| 7 | 434 m | +45 m | 4.5% | 6.6% |
|
| 8 | 501 m | +67 m | 6.7% | 7.4% |
|
| 9 | 556 m | +55 m | 5.5% | 6.5% |
|
| 10 | 546 m | −10 m | −1.0% | 4.8% |
|
| 11 | 578 m | +31 m | 3.1% | 5.8% |
|
| 12 | 617 m | +39 m | 3.9% | 5.2% |
|
| 13 | 627 m | +11 m | 1.1% | 4.4% |
|
| 14 | 614 m | −13 m | −1.3% | 4% |
|
| 15 | 659 m | +44 m | 4.4% | 7.2% |
|
| 16 | 649 m | −10 m | −1.0% | 1% |
|
| 17 | 704 m | +54 m | 5.4% | 7.2% |
|
| 18 | 749 m | +45 m | 4.5% | 7.4% |
|
| 19 | 820 m | +72 m | 7.2% | 7.8% |
|
| 20 | 869 m | +49 m | 4.9% | 5.2% |
|
| 21 | 869 m | +1 m | 0.9% | 1% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.