| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 157 m | +56 m | 5.6% | 7% |
|
| 2 | 202 m | +45 m | 4.5% | 8% |
|
| 3 | 288 m | +86 m | 8.6% | 11.8% |
|
| 4 | 363 m | +75 m | 7.5% | 11% |
|
| 5 | 441 m | +78 m | 7.8% | 11.4% |
|
| 6 | 436 m | −5 m | −0.5% | 8.4% |
|
| 7 | 429 m | −7 m | −0.7% | 8% |
|
| 8 | 499 m | +70 m | 7.0% | 8.4% |
|
| 9 | 577 m | +78 m | 7.8% | 10% |
|
| 10 | 596 m | +19 m | 1.8% | 4.8% |
|
| 11 | 656 m | +60 m | 6.0% | 8.4% |
|
| 12 | 733 m | +77 m | 7.7% | 9.2% |
|
| 13 | 772 m | +39 m | 3.9% | 8.4% |
|
| 14 | 799 m | +27 m | 2.7% | 7.8% |
|
| 15 | 791 m | −8 m | −0.8% | 3% |
|
| 16 | 819 m | +28 m | 2.8% | 5.8% |
|
| 17 | 808 m | −11 m | −1.1% | 2% |
|
| 18 | 847 m | +39 m | 3.9% | 5% |
|
| 19 | 866 m | +18 m | 1.8% | 4.2% |
|
| 20 | 857 m | −8 m | −0.8% | 2.4% |
|
| 21 | 845 m | −12 m | −1.2% | 0.2% |
|
| 22 | 884 m | +39 m | 3.9% | 7.6% |
|
| 23 | 954 m | +70 m | 7.0% | 7.8% |
|
| 24 | 1009 m | +56 m | 5.6% | 6.8% |
|
| 25 | 1040 m | +30 m | 3.0% | 6.2% |
|
| 26 | 1061 m | +22 m | 2.2% | 7% |
|
| 27 | 1091 m | +30 m | 3.0% | 4.8% |
|
| 28 | 1095 m | +3 m | 2.3% | 2.4% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.