| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 380 m | +77 m | 7.7% | 27% |
|
| 2 | 452 m | +72 m | 7.2% | 38% |
|
| 3 | 533 m | +81 m | 8.1% | 57% |
|
| 4 | 601 m | +68 m | 6.8% | 55.6% |
|
| 5 | 647 m | +46 m | 4.6% | 46.8% |
|
| 6 | 716 m | +70 m | 7.0% | 44.2% |
|
| 7 | 789 m | +73 m | 7.3% | 26.4% |
|
| 8 | 860 m | +71 m | 7.1% | 20.8% |
|
| 9 | 917 m | +57 m | 5.7% | 21.8% |
|
| 10 | 990 m | +73 m | 7.3% | 16% |
|
| 11 | 1034 m | +44 m | 4.4% | 21.6% |
|
| 12 | 1090 m | +55 m | 5.5% | 20.4% |
|
| 13 | 1165 m | +75 m | 7.5% | 12.6% |
|
| 14 | 1240 m | +75 m | 7.5% | 20.7% |
|
| 15 | 1294 m | +54 m | 5.4% | 32% |
|
| 16 | 1388 m | +94 m | 9.4% | 51.4% |
|
| 17 | 1463 m | +75 m | 7.5% ? Includes a suspected survey error | 71.6% |
|
| 18 | 1515 m | +52 m | 5.1% | 37.8% |
|
| 19 | 1599 m | +84 m | 8.4% | 28.2% |
|
| 20 | 1655 m | +56 m | 5.6% | 26.4% |
|
| 21 | 1689 m | +34 m | 3.4% | 11.8% |
|
| 22 | 1768 m | +79 m | 7.9% | 19.8% |
|
| 23 | 1781 m | +13 m | 7.1% | 9.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.