| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 214 m | +109 m | 10.9% | 11.8% |
|
| 2 | 290 m | +76 m | 7.6% | 12.8% |
|
| 3 | 330 m | +40 m | 4.0% | 10% |
|
| 4 | 445 m | +116 m | 11.6% | 13.4% |
|
| 5 | 539 m | +94 m | 9.4% | 11.8% |
|
| 6 | 626 m | +86 m | 8.6% | 12.2% |
|
| 7 | 743 m | +117 m | 11.7% | 12.8% |
|
| 8 | 852 m | +109 m | 10.9% | 12.2% |
|
| 9 | 972 m | +120 m | 12.0% | 13% |
|
| 10 | 1090 m | +117 m | 11.7% | 13% |
|
| 11 | 1125 m | +35 m | 3.5% | 11.4% |
|
| 12 | 1167 m | +42 m | 4.2% | 11% |
|
| 13 | 1270 m | +103 m | 10.3% | 13% |
|
| 14 | 1397 m | +128 m | 12.8% | 15% |
|
| 15 | 1520 m | +123 m | 12.3% | 13.8% |
|
| 16 | 1635 m | +115 m | 11.5% | 13% |
|
| 17 | 1730 m | +95 m | 9.5% | 13% |
|
| 18 | 1810 m | +80 m | 9.6% | 13% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.