| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 542 m | +57 m | 5.7% | 8% |
|
| 2 | 612 m | +70 m | 7.0% | 10.8% |
|
| 3 | 684 m | +73 m | 7.3% | 8% |
|
| 4 | 757 m | +72 m | 7.2% | 9.8% |
|
| 5 | 832 m | +75 m | 7.5% | 8.4% |
|
| 6 | 901 m | +69 m | 6.9% | 9.2% |
|
| 7 | 977 m | +76 m | 7.6% | 8.6% |
|
| 8 | 1054 m | +77 m | 7.7% | 9% |
|
| 9 | 1098 m | +45 m | 4.5% | 8.8% |
|
| 10 | 1107 m | +9 m | 0.9% | 1.8% |
|
| 11 | 1150 m | +43 m | 4.3% | 7% |
|
| 12 | 1218 m | +68 m | 6.8% | 9.2% |
|
| 13 | 1306 m | +88 m | 8.8% | 9.4% |
|
| 14 | 1403 m | +97 m | 9.7% | 11% |
|
| 15 | 1491 m | +89 m | 8.9% | 10% |
|
| 16 | 1570 m | +79 m | 7.9% | 9.4% |
|
| 17 | 1627 m | +57 m | 5.7% | 7% |
|
| 18 | 1727 m | +100 m | 10.0% | 11.2% |
|
| 19 | 1839 m | +111 m | 11.1% | 12% |
|
| 20 | 1916 m | +77 m | 7.7% | 10.6% |
|
| 21 | 1907 m | −9 m | −7.9% | 0% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.