| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 1266 m | +84 m | 8.4% | 10.6% |
|
| 2 | 1357 m | +91 m | 9.1% | 10.4% |
|
| 3 | 1473 m | +116 m | 11.6% | 14.8% |
|
| 4 | 1551 m | +78 m | 7.8% | 14% |
|
| 5 | 1644 m | +93 m | 9.3% | 10.4% |
|
| 6 | 1733 m | +89 m | 8.9% | 11.6% |
|
| 7 | 1805 m | +72 m | 7.2% | 9% |
|
| 8 | 1849 m | +44 m | 4.4% | 6.6% |
|
| 9 | 1887 m | +38 m | 3.8% | 5.8% |
|
| 10 | 1865 m | −22 m | −2.2% | 0.8% |
|
| 11 | 1895 m | +30 m | 3.0% | 5.4% |
|
| 12 | 1940 m | +45 m | 4.5% | 7.4% |
|
| 13 | 1935 m | −4 m | −0.4% | 1.8% |
|
| 14 | 1974 m | +39 m | 3.9% | 5.4% |
|
| 15 | 2077 m | +102 m | 10.2% | 13% |
|
| 16 | 2117 m | +40 m | 4.0% | 8.4% |
|
| 17 | 2144 m | +27 m | 2.7% | 7.8% |
|
| 18 | 2153 m | +9 m | 7.0% | 7.4% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.