| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 653 m | +39 m | 3.9% | 6.2% |
|
| 2 | 676 m | +23 m | 2.3% | 3.8% |
|
| 3 | 729 m | +53 m | 5.3% | 7.4% |
|
| 4 | 804 m | +75 m | 7.5% | 8.2% |
|
| 5 | 873 m | +69 m | 6.9% | 8.5% |
|
| 6 | 937 m | +64 m | 6.4% | 8% |
|
| 7 | 989 m | +52 m | 5.2% | 6.4% |
|
| 8 | 1053 m | +64 m | 6.4% | 7.2% |
|
| 9 | 1101 m | +48 m | 4.8% | 5.6% |
|
| 10 | 1157 m | +55 m | 5.5% | 7.2% |
|
| 11 | 1174 m | +17 m | 1.7% | 7.8% |
|
| 12 | 1153 m | −21 m | −2.1% | 0% |
|
| 13 | 1160 m | +8 m | 0.8% | 3.4% |
|
| 14 | 1164 m | +4 m | 0.4% | 2.2% |
|
| 15 | 1242 m | +78 m | 7.8% | 11.4% |
|
| 16 | 1322 m | +80 m | 8.0% | 13.6% |
|
| 17 | 1383 m | +61 m | 6.1% | 8% |
|
| 18 | 1446 m | +64 m | 6.4% | 8.8% |
|
| 19 | 1574 m | +128 m | 12.8% | 14.2% |
|
| 20 | 1699 m | +124 m | 12.4% | 13.8% |
|
| 21 | 1767 m | +69 m | 6.9% | 10.2% |
|
| 22 | 1796 m | +29 m | 2.9% | 13.8% |
|
| 23 | 1830 m | +34 m | 5.5% | 7.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.