| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 836 m | +54 m | 5.4% | 15.4% |
|
| 2 | 901 m | +64 m | 6.4% | 15.8% |
|
| 3 | 983 m | +82 m | 8.2% | 16% |
|
| 4 | 981 m | −2 m | −0.2% | 13% |
|
| 5 | 1058 m | +78 m | 7.8% | 17% |
|
| 6 | 1152 m | +94 m | 9.4% | 29.8% |
|
| 7 | 1215 m | +64 m | 6.4% | 19.6% |
|
| 8 | 1280 m | +65 m | 6.5% | 19% |
|
| 9 | 1279 m | −2 m | −0.2% | 10.6% |
|
| 10 | 1326 m | +48 m | 4.8% | 20% |
|
| 11 | 1402 m | +76 m | 7.6% | 19.2% |
|
| 12 | 1466 m | +64 m | 6.4% | 17.2% |
|
| 13 | 1523 m | +57 m | 5.7% | 28% |
|
| 14 | 1630 m | +106 m | 10.6% | 22.8% |
|
| 15 | 1733 m | +104 m | 10.4% | 18.4% |
|
| 16 | 1817 m | +84 m | 8.4% | 15.4% |
|
| 17 | 1906 m | +89 m | 8.9% | 18.4% |
|
| 18 | 1999 m | +93 m | 9.3% | 17% |
|
| 19 | 2079 m | +80 m | 8.0% | 21% |
|
| 20 | 2183 m | +103 m | 10.3% | 17.2% |
|
| 21 | 2273 m | +90 m | 9.0% | 22% |
|
| 22 | 2338 m | +66 m | 6.6% | 20.2% |
|
| 23 | 2412 m | +73 m | 7.3% | 15.6% |
|
| 24 | 2472 m | +60 m | 6.0% | 31% |
|
| 25 | 2478 m | +7 m | 1.6% | 11.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.