| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 1295 m | +66 m | 6.6% | 10% |
|
| 2 | 1370 m | +75 m | 7.5% | 13.2% |
|
| 3 | 1453 m | +82 m | 8.2% | 13% |
|
| 4 | 1518 m | +65 m | 6.5% | 13.4% |
|
| 5 | 1597 m | +79 m | 7.9% | 11.8% |
|
| 6 | 1668 m | +71 m | 7.1% | 13% |
|
| 7 | 1737 m | +68 m | 6.8% | 10.8% |
|
| 8 | 1810 m | +74 m | 7.4% | 10% |
|
| 9 | 1733 m | −77 m | −7.7% | 0% |
|
| 10 | 1718 m | −15 m | −1.5% | 4.8% |
|
| 11 | 1693 m | −25 m | −2.5% | 1.4% |
|
| 12 | 1651 m | −43 m | −4.3% | 0.8% |
|
| 13 | 1715 m | +64 m | 6.4% | 11% |
|
| 14 | 1752 m | +37 m | 3.7% | 6.8% |
|
| 15 | 1759 m | +7 m | 0.7% | 4.8% |
|
| 16 | 1870 m | +111 m | 11.1% | 14.4% |
|
| 17 | 1848 m | −22 m | −2.2% | 2.4% |
|
| 18 | 1850 m | +2 m | 0.2% | 5% |
|
| 19 | 1959 m | +109 m | 10.9% | 13.2% |
|
| 20 | 2089 m | +130 m | 13.0% | 16% |
|
| 21 | 2217 m | +128 m | 12.8% | 16.4% |
|
| 22 | 2340 m | +123 m | 12.3% | 14% |
|
| 23 | 2347 m | +7 m | 10.7% | 10.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.