| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 394 m | +17 m | 1.7% | 7.4% |
|
| 2 | 415 m | +21 m | 2.1% | 9.6% |
|
| 3 | 400 m | −15 m | −1.5% | 12.6% |
|
| 4 | 408 m | +8 m | 0.8% | 10.2% |
|
| 5 | 422 m | +15 m | 1.5% | 7.8% |
|
| 6 | 445 m | +23 m | 2.3% | 11% |
|
| 7 | 471 m | +26 m | 2.6% | 15.8% |
|
| 8 | 492 m | +21 m | 2.1% | 15.4% |
|
| 9 | 521 m | +29 m | 2.9% | 16.8% |
|
| 10 | 543 m | +22 m | 2.2% | 15.2% |
|
| 11 | 616 m | +73 m | 7.3% | 26.6% |
|
| 12 | 694 m | +78 m | 7.8% | 40.8% |
|
| 13 | 752 m | +59 m | 5.9% | 33.8% |
|
| 14 | 817 m | +65 m | 6.5% | 18% |
|
| 15 | 895 m | +78 m | 7.8% | 24.8% |
|
| 16 | 985 m | +90 m | 9.0% | 37.8% |
|
| 17 | 1063 m | +78 m | 7.8% | 18.4% |
|
| 18 | 1159 m | +95 m | 9.5% | 21.4% |
|
| 19 | 1243 m | +84 m | 8.4% | 16.2% |
|
| 20 | 1313 m | +70 m | 7.0% | 11.4% |
|
| 21 | 1390 m | +77 m | 7.7% | 15% |
|
| 22 | 1461 m | +71 m | 7.1% | 11.8% |
|
| 23 | 1472 m | +11 m | 6.9% | 9.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.