| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 709 m | +25 m | 2.5% | 5% |
|
| 2 | 729 m | +20 m | 2.0% | 4.4% |
|
| 3 | 760 m | +31 m | 3.1% | 5.8% |
|
| 4 | 787 m | +27 m | 2.7% | 5.4% |
|
| 5 | 839 m | +52 m | 5.2% | 8.4% |
|
| 6 | 885 m | +46 m | 4.6% | 7% |
|
| 7 | 973 m | +88 m | 8.8% | 10% |
|
| 8 | 1073 m | +100 m | 10.0% | 10.4% |
|
| 9 | 1162 m | +88 m | 8.8% | 10.6% |
|
| 10 | 1258 m | +97 m | 9.7% | 10.4% |
|
| 11 | 1327 m | +69 m | 6.9% | 9% |
|
| 12 | 1386 m | +59 m | 5.9% | 7% |
|
| 13 | 1451 m | +64 m | 6.4% | 8% |
|
| 14 | 1516 m | +66 m | 6.6% | 9% |
|
| 15 | 1587 m | +71 m | 7.1% | 8.8% |
|
| 16 | 1646 m | +59 m | 5.9% | 7.2% |
|
| 17 | 1716 m | +69 m | 6.9% | 8% |
|
| 18 | 1772 m | +56 m | 5.6% | 7.4% |
|
| 19 | 1789 m | +17 m | 4.0% | 5.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.