| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 565 m | +85 m | 8.5% | 10.6% |
|
| 2 | 641 m | +77 m | 7.7% | 9.4% |
|
| 3 | 709 m | +67 m | 6.7% | 8.8% |
|
| 4 | 739 m | +30 m | 3.0% | 5.6% |
|
| 5 | 770 m | +32 m | 3.2% | 6% |
|
| 6 | 821 m | +50 m | 5.0% | 9% |
|
| 7 | 829 m | +8 m | 0.8% | 7.2% |
|
| 8 | 841 m | +12 m | 1.2% | 3.2% |
|
| 9 | 855 m | +14 m | 1.4% | 5.2% |
|
| 10 | 858 m | +3 m | 0.3% | 2.6% |
|
| 11 | 866 m | +8 m | 0.8% | 1.8% |
|
| 12 | 910 m | +44 m | 4.4% | 8.8% |
|
| 13 | 977 m | +67 m | 6.7% | 10.2% |
|
| 14 | 1062 m | +85 m | 8.5% | 11.2% |
|
| 15 | 1143 m | +82 m | 8.2% | 12.6% |
|
| 16 | 1224 m | +80 m | 8.0% | 10.6% |
|
| 17 | 1311 m | +87 m | 8.7% | 10.6% |
|
| 18 | 1396 m | +85 m | 8.5% | 8.8% |
|
| 19 | 1464 m | +68 m | 6.8% | 9.6% |
|
| 20 | 1432 m | −32 m | −3.2% | 0% |
|
| 21 | 1356 m | −76 m | −7.6% | 0% |
|
| 22 | 1358 m | +2 m | 0.2% | 8.8% |
|
| 23 | 1362 m | +4 m | 0.4% | 11.6% |
|
| 24 | 1421 m | +60 m | 5.9% | 9.8% |
|
| 25 | 1454 m | +33 m | 3.3% | 5.6% |
|
| 26 | 1512 m | +57 m | 5.7% | 9% |
|
| 27 | 1603 m | +91 m | 9.1% | 12.2% |
|
| 28 | 1663 m | +60 m | 6.0% | 8.8% |
|
| 29 | 1705 m | +43 m | 8.6% | 9.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.