| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 625 m | +18 m | 1.8% | 6.4% |
|
| 2 | 653 m | +28 m | 2.8% | 4.2% |
|
| 3 | 664 m | +11 m | 1.1% | 3.2% |
|
| 4 | 677 m | +13 m | 1.3% | 2.2% |
|
| 5 | 689 m | +12 m | 1.2% | 1.6% |
|
| 6 | 688 m | −1 m | −0.1% | 1.8% |
|
| 7 | 697 m | +9 m | 0.9% | 1.8% |
|
| 8 | 711 m | +14 m | 1.4% | 2% |
|
| 9 | 761 m | +50 m | 5.0% | 6.4% |
|
| 10 | 791 m | +30 m | 3.0% | 4.6% |
|
| 11 | 844 m | +53 m | 5.3% | 7.6% |
|
| 12 | 804 m | −40 m | −4.0% | 2% |
|
| 13 | 800 m | −4 m | −0.4% | 1.2% |
|
| 14 | 824 m | +23 m | 2.3% | 7% |
|
| 15 | 837 m | +14 m | 1.4% | 3.2% |
|
| 16 | 859 m | +22 m | 2.2% | 2.6% |
|
| 17 | 882 m | +22 m | 2.2% | 4% |
|
| 18 | 935 m | +53 m | 5.3% | 7% |
|
| 19 | 966 m | +31 m | 3.1% | 4.6% |
|
| 20 | 995 m | +30 m | 2.9% | 6% |
|
| 21 | 1023 m | +27 m | 2.7% | 6.2% |
|
| 22 | 1076 m | +54 m | 5.4% | 7.6% |
|
| 23 | 1138 m | +62 m | 6.2% | 8% |
|
| 24 | 1236 m | +98 m | 9.8% | 12.8% |
|
| 25 | 1241 m | +5 m | 6.1% | 6.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.