| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 1290 m | +53 m | 5.3% | 7.8% |
|
| 2 | 1361 m | +71 m | 7.1% | 8% |
|
| 3 | 1432 m | +71 m | 7.1% | 9.2% |
|
| 4 | 1490 m | +58 m | 5.8% | 7.6% |
|
| 5 | 1561 m | +72 m | 7.2% | 8.5% |
|
| 6 | 1639 m | +78 m | 7.8% | 9% |
|
| 7 | 1722 m | +83 m | 8.3% | 11% |
|
| 8 | 1790 m | +68 m | 6.8% | 13.6% |
|
| 9 | 1875 m | +85 m | 8.5% | 10.8% |
|
| 10 | 1959 m | +85 m | 8.5% | 9.4% |
|
| 11 | 2040 m | +81 m | 8.1% | 9% |
|
| 12 | 2092 m | +52 m | 5.2% | 12% |
|
| 13 | 2172 m | +79 m | 7.9% | 10% |
|
| 14 | 2262 m | +91 m | 9.1% | 10.8% |
|
| 15 | 2332 m | +70 m | 7.0% | 9.4% |
|
| 16 | 2389 m | +57 m | 5.7% | 8.2% |
|
| 17 | 2466 m | +77 m | 7.7% | 10% |
|
| 18 | 2546 m | +80 m | 8.0% | 10.2% |
|
| 19 | 2611 m | +65 m | 6.5% | 8.4% |
|
| 20 | 2670 m | +59 m | 6.2% | 9.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.