| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 503 m | +55 m | 5.5% | 10% |
|
| 2 | 578 m | +75 m | 7.5% | 9.6% |
|
| 3 | 639 m | +61 m | 6.1% | 11.4% |
|
| 4 | 712 m | +73 m | 7.3% | 10.8% |
|
| 5 | 782 m | +69 m | 6.9% | 9% |
|
| 6 | 805 m | +23 m | 2.3% | 6.8% |
|
| 7 | 837 m | +33 m | 3.3% | 7.8% |
|
| 8 | 878 m | +41 m | 4.1% | 11% |
|
| 9 | 947 m | +69 m | 6.9% | 10.2% |
|
| 10 | 1036 m | +89 m | 8.9% | 10.4% |
|
| 11 | 1129 m | +93 m | 9.3% | 11.6% |
|
| 12 | 1220 m | +91 m | 9.1% | 11% |
|
| 13 | 1294 m | +74 m | 7.4% | 17.2% |
|
| 14 | 1373 m | +79 m | 7.9% | 21.2% |
|
| 15 | 1478 m | +105 m | 10.5% | 19.2% |
|
| 16 | 1558 m | +80 m | 8.0% | 12.8% |
|
| 17 | 1650 m | +92 m | 9.2% | 23.4% |
|
| 18 | 1669 m | +18 m | 6.3% | 11% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.