| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 201 m | +32 m | 3.2% | 9.2% |
|
| 2 | 292 m | +91 m | 9.1% | 20.4% |
|
| 3 | 388 m | +96 m | 9.6% | 21.4% |
|
| 4 | 471 m | +83 m | 8.3% | 33% |
|
| 5 | 541 m | +70 m | 7.0% | 15% |
|
| 6 | 611 m | +71 m | 7.0% | 22.4% |
|
| 7 | 698 m | +87 m | 8.7% | 23.6% |
|
| 8 | 768 m | +69 m | 6.9% | 24.4% |
|
| 9 | 813 m | +46 m | 4.6% | 15.4% |
|
| 10 | 861 m | +48 m | 4.8% | 35.6% |
|
| 11 | 912 m | +51 m | 5.1% | 24.2% |
|
| 12 | 983 m | +71 m | 7.1% | 22.8% |
|
| 13 | 1027 m | +44 m | 4.4% | 22.8% |
|
| 14 | 1006 m | −21 m | −2.1% | 12% |
|
| 15 | 1016 m | +9 m | 0.9% | 18.8% |
|
| 16 | 1041 m | +25 m | 2.5% | 13.6% |
|
| 17 | 1074 m | +33 m | 3.3% | 25.4% |
|
| 18 | 1131 m | +58 m | 5.8% | 16.2% |
|
| 19 | 1202 m | +71 m | 7.1% | 19.2% |
|
| 20 | 1264 m | +62 m | 6.2% | 13% |
|
| 21 | 1335 m | +71 m | 7.1% | 12.6% |
|
| 22 | 1407 m | +72 m | 7.2% | 11.4% |
|
| 23 | 1475 m | +67 m | 6.7% | 11.4% |
|
| 24 | 1547 m | +73 m | 7.3% | 15% |
|
| 25 | 1625 m | +78 m | 7.8% | 15.2% |
|
| 26 | 1703 m | +78 m | 7.8% | 11.6% |
|
| 27 | 1735 m | +32 m | 6.6% | 12.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.