| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 1176 m | +29 m | 2.9% | 5% |
|
| 2 | 1229 m | +53 m | 5.3% | 9% |
|
| 3 | 1299 m | +70 m | 7.0% | 9.6% |
|
| 4 | 1344 m | +46 m | 4.6% | 9.4% |
|
| 5 | 1428 m | +84 m | 8.4% | 11.6% |
|
| 6 | 1513 m | +85 m | 8.5% | 11.2% |
|
| 7 | 1595 m | +82 m | 8.2% | 11% |
|
| 8 | 1670 m | +75 m | 7.5% | 20.2% |
|
| 9 | 1750 m | +80 m | 8.0% | 11.4% |
|
| 10 | 1827 m | +76 m | 7.6% | 15.6% |
|
| 11 | 1903 m | +77 m | 7.6% | 12.6% |
|
| 12 | 1908 m | +5 m | 5.1% | 5.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.