| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 400 m | +98 m | 9.8% | 19.6% |
|
| 2 | 480 m | +80 m | 8.0% | 21.8% |
|
| 3 | 565 m | +84 m | 8.4% | 14% |
|
| 4 | 652 m | +88 m | 8.8% | 13.8% |
|
| 5 | 685 m | +33 m | 3.3% | 11% |
|
| 6 | 727 m | +42 m | 4.2% | 13.4% |
|
| 7 | 786 m | +60 m | 5.9% | 12.2% |
|
| 8 | 858 m | +72 m | 7.2% | 17.4% |
|
| 9 | 935 m | +77 m | 7.7% | 12.2% |
|
| 10 | 978 m | +43 m | 4.3% | 10.2% |
|
| 11 | 967 m | −11 m | −1.1% | 6.6% |
|
| 12 | 971 m | +4 m | 0.4% | 13.6% |
|
| 13 | 1033 m | +62 m | 6.2% | 16.8% |
|
| 14 | 1092 m | +60 m | 6.0% | 14% |
|
| 15 | 1167 m | +74 m | 7.4% | 13.2% |
|
| 16 | 1268 m | +101 m | 10.1% | 20.6% |
|
| 17 | 1310 m | +42 m | 4.2% | 15.8% |
|
| 18 | 1377 m | +67 m | 6.7% | 14% |
|
| 19 | 1437 m | +60 m | 6.0% | 12.4% |
|
| 20 | 1545 m | +107 m | 10.7% | 18.6% |
|
| 21 | 1647 m | +103 m | 10.3% | 16.2% |
|
| 22 | 1711 m | +64 m | 6.4% | 13.8% |
|
| 23 | 1781 m | +69 m | 6.9% | 15.2% |
|
| 24 | 1825 m | +44 m | 4.4% | 12.6% |
|
| 25 | 1857 m | +33 m | 3.3% | 9.8% |
|
| 26 | 1874 m | +17 m | 1.7% | 7.4% |
|
| 27 | 1835 m | −39 m | −3.9% | 0.2% |
|
| 28 | 1890 m | +55 m | 5.5% | 8.4% |
|
| 29 | 1939 m | +49 m | 4.9% | 8.6% |
|
| 30 | 1991 m | +52 m | 6.0% | 11.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.