| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 439 m | +16 m | 1.6% | 5% |
|
| 2 | 506 m | +67 m | 6.7% | 11.6% |
|
| 3 | 586 m | +81 m | 8.1% | 16% |
|
| 4 | 665 m | +79 m | 7.9% | 24% |
|
| 5 | 741 m | +76 m | 7.6% | 24.6% |
|
| 6 | 803 m | +62 m | 6.2% | 25% |
|
| 7 | 850 m | +47 m | 4.7% | 14.2% |
|
| 8 | 942 m | +92 m | 9.2% | 31.8% |
|
| 9 | 1046 m | +103 m | 10.3% | 19.4% |
|
| 10 | 1151 m | +105 m | 10.5% | 24.6% |
|
| 11 | 1216 m | +65 m | 6.5% | 21.6% |
|
| 12 | 1304 m | +89 m | 8.9% | 14% |
|
| 13 | 1396 m | +92 m | 9.2% | 19.8% |
|
| 14 | 1467 m | +71 m | 7.1% | 13.2% |
|
| 15 | 1528 m | +61 m | 6.1% | 13.6% |
|
| 16 | 1617 m | +89 m | 8.9% | 12.6% |
|
| 17 | 1629 m | +13 m | 5.2% | 8.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.