| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 291 m | +22 m | 2.2% | 2.6% |
|
| 2 | 312 m | +22 m | 2.2% | 4% |
|
| 3 | 325 m | +12 m | 1.2% | 2.6% |
|
| 4 | 347 m | +23 m | 2.3% | 4.8% |
|
| 5 | 397 m | +50 m | 5.0% | 8% |
|
| 6 | 463 m | +66 m | 6.6% | 7.8% |
|
| 7 | 512 m | +49 m | 4.9% | 5.8% |
|
| 8 | 539 m | +27 m | 2.7% | 5.8% |
|
| 9 | 557 m | +17 m | 1.7% | 2.8% |
|
| 10 | 536 m | −20 m | −2.0% | 4% |
|
| 11 | 612 m | +76 m | 7.6% | 8.4% |
|
| 12 | 677 m | +65 m | 6.5% | 7.8% |
|
| 13 | 743 m | +67 m | 6.7% | 7% |
|
| 14 | 811 m | +68 m | 6.8% | 7.4% |
|
| 15 | 875 m | +63 m | 6.3% | 7.5% |
|
| 16 | 944 m | +69 m | 6.9% | 7.6% |
|
| 17 | 1005 m | +61 m | 6.1% | 7.2% |
|
| 18 | 1066 m | +61 m | 6.1% | 7.8% |
|
| 19 | 1120 m | +55 m | 5.5% | 7% |
|
| 20 | 1142 m | +22 m | 5.5% | 6.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.