| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 2310 m | +36 m | 3.6% | 4.8% |
|
| 2 | 2324 m | +14 m | 1.4% | 6.8% |
|
| 3 | 2365 m | +41 m | 4.1% | 6.5% |
|
| 4 | 2428 m | +63 m | 6.3% | 7.4% |
|
| 5 | 2477 m | +49 m | 4.9% | 7.6% |
|
| 6 | 2508 m | +32 m | 3.2% | 4.8% |
|
| 7 | 2552 m | +44 m | 4.4% | 7% |
|
| 8 | 2598 m | +46 m | 4.6% | 7.8% |
|
| 9 | 2605 m | +7 m | 0.7% | 2.8% |
|
| 10 | 2646 m | +42 m | 4.2% | 6.8% |
|
| 11 | 2707 m | +61 m | 6.1% | 8.6% |
|
| 12 | 2757 m | +50 m | 5.0% | 14% |
|
| 13 | 2755 m | −2 m | −0.2% | 1% |
|
| 14 | 2809 m | +54 m | 5.4% | 7.8% |
|
| 15 | 2854 m | +45 m | 4.5% | 7.6% |
|
| 16 | 2902 m | +48 m | 4.8% | 6.4% |
|
| 17 | 2964 m | +62 m | 6.2% | 10.2% |
|
| 18 | 3016 m | +51 m | 5.1% | 6.8% |
|
| 19 | 3033 m | +18 m | 1.8% | 5.6% |
|
| 20 | 3018 m | −15 m | −1.5% | 1.2% |
|
| 21 | 3044 m | +25 m | 4.2% | 8.3% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.