| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 667 m | +40 m | 4.0% | 8.2% |
|
| 2 | 746 m | +79 m | 7.9% | 8.6% |
|
| 3 | 763 m | +17 m | 1.7% | 7% |
|
| 4 | 826 m | +64 m | 6.4% | 10.4% |
|
| 5 | 942 m | +116 m | 11.6% | 16.2% |
|
| 6 | 1037 m | +95 m | 9.5% | 14.4% |
|
| 7 | 1086 m | +49 m | 4.9% | 13.2% |
|
| 8 | 1132 m | +46 m | 4.6% | 7.8% |
|
| 9 | 1193 m | +61 m | 6.1% | 7.4% |
|
| 10 | 1201 m | +8 m | 0.8% | 4% |
|
| 11 | 1242 m | +42 m | 4.2% | 7% |
|
| 12 | 1259 m | +17 m | 1.7% | 5.2% |
|
| 13 | 1298 m | +39 m | 3.9% | 8% |
|
| 14 | 1366 m | +68 m | 6.8% | 8.4% |
|
| 15 | 1426 m | +60 m | 5.9% | 8.6% |
|
| 16 | 1491 m | +65 m | 6.5% | 9.8% |
|
| 17 | 1572 m | +81 m | 8.1% | 9.8% |
|
| 18 | 1651 m | +79 m | 7.9% | 9.6% |
|
| 19 | 1735 m | +84 m | 8.4% | 9.4% |
|
| 20 | 1757 m | +21 m | 6.3% | 7.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.