| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 816 m | +56 m | 5.6% | 11.2% |
|
| 2 | 855 m | +39 m | 3.9% | 8.6% |
|
| 3 | 928 m | +73 m | 7.3% | 14.4% |
|
| 4 | 1016 m | +88 m | 8.8% | 11.8% |
|
| 5 | 1070 m | +54 m | 5.4% | 12.6% |
|
| 6 | 1086 m | +16 m | 1.6% | 3.4% |
|
| 7 | 1080 m | −6 m | −0.6% | 5.2% |
|
| 8 | 1112 m | +32 m | 3.2% | 6% |
|
| 9 | 1131 m | +19 m | 1.9% | 5% |
|
| 10 | 1171 m | +41 m | 4.1% | 7.6% |
|
| 11 | 1188 m | +17 m | 1.7% | 5.4% |
|
| 12 | 1215 m | +26 m | 2.6% | 10% |
|
| 13 | 1327 m | +112 m | 11.2% | 15.2% |
|
| 14 | 1391 m | +64 m | 6.4% | 11.2% |
|
| 15 | 1476 m | +85 m | 8.5% | 12% |
|
| 16 | 1562 m | +86 m | 8.6% | 12% |
|
| 17 | 1617 m | +55 m | 5.5% | 8.4% |
|
| 18 | 1694 m | +77 m | 7.7% | 12.8% |
|
| 19 | 1770 m | +77 m | 7.7% | 14.2% |
|
| 20 | 1804 m | +34 m | 3.4% | 11.6% |
|
| 21 | 1827 m | +23 m | 3.0% | 6.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.