| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 504 m | +20 m | 2.0% | 9.2% |
|
| 2 | 577 m | +73 m | 7.3% | 8% |
|
| 3 | 623 m | +47 m | 4.7% | 8.2% |
|
| 4 | 680 m | +57 m | 5.7% | 7.2% |
|
| 5 | 768 m | +88 m | 8.8% | 11.8% |
|
| 6 | 850 m | +82 m | 8.2% | 10.8% |
|
| 7 | 915 m | +65 m | 6.5% | 9.6% |
|
| 8 | 940 m | +25 m | 2.5% | 5% |
|
| 9 | 989 m | +49 m | 4.9% | 8% |
|
| 10 | 1038 m | +50 m | 5.0% | 8.4% |
|
| 11 | 1117 m | +78 m | 7.8% | 10.6% |
|
| 12 | 1191 m | +74 m | 7.4% | 8.6% |
|
| 13 | 1289 m | +98 m | 9.8% | 13% |
|
| 14 | 1369 m | +80 m | 8.0% | 14.6% |
|
| 15 | 1405 m | +36 m | 3.6% | 9.8% |
|
| 16 | 1443 m | +39 m | 3.9% | 10.8% |
|
| 17 | 1467 m | +23 m | 2.3% | 5.4% |
|
| 18 | 1553 m | +86 m | 8.6% | 16% |
|
| 19 | 1703 m | +151 m | 15.1% | 18.8% |
|
| 20 | 1834 m | +130 m | 13.0% | 19.6% |
|
| 21 | 1843 m | +9 m | 7.8% | 8.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.