| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 641 m | +20 m | 2.0% | 6.2% |
|
| 2 | 633 m | −8 m | −0.8% | 14% |
|
| 3 | 658 m | +25 m | 2.5% | 7.8% |
|
| 4 | 678 m | +20 m | 2.0% | 13.6% |
|
| 5 | 704 m | +27 m | 2.7% | 30.4% |
|
| 6 | 735 m | +30 m | 3.0% | 25.4% |
|
| 7 | 757 m | +22 m | 2.2% | 37% |
|
| 8 | 768 m | +12 m | 1.2% | 33.4% |
|
| 9 | 791 m | +22 m | 2.2% | 35.8% |
|
| 10 | 824 m | +34 m | 3.4% | 20.4% |
|
| 11 | 860 m | +36 m | 3.6% | 25% |
|
| 12 | 917 m | +57 m | 5.7% | 41% |
|
| 13 | 963 m | +46 m | 4.6% | 8% |
|
| 14 | 1035 m | +72 m | 7.2% | 11.6% |
|
| 15 | 1057 m | +22 m | 2.2% | 9.2% |
|
| 16 | 1074 m | +17 m | 1.7% | 7.4% |
|
| 17 | 1108 m | +34 m | 3.4% | 13.8% |
|
| 18 | 1135 m | +27 m | 2.7% | 11% |
|
| 19 | 1163 m | +27 m | 2.7% | 9.4% |
|
| 20 | 1210 m | +47 m | 4.7% | 9.8% |
|
| 21 | 1226 m | +17 m | 1.7% | 7.6% |
|
| 22 | 1303 m | +77 m | 7.6% | 10.8% |
|
| 23 | 1372 m | +69 m | 7.4% | 9.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.