| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 1327 m | +65 m | 6.5% | 19.6% |
|
| 2 | 1408 m | +81 m | 8.1% | 24.6% |
|
| 3 | 1490 m | +83 m | 8.3% | 28.6% |
|
| 4 | 1562 m | +72 m | 7.2% | 34.2% |
|
| 5 | 1615 m | +53 m | 5.3% | 15.6% |
|
| 6 | 1715 m | +100 m | 10.0% | 56.5% |
|
| 7 | 1777 m | +62 m | 6.2% | 25% |
|
| 8 | 1850 m | +74 m | 7.4% | 36.2% |
|
| 9 | 1933 m | +82 m | 8.2% | 24.4% |
|
| 10 | 2022 m | +89 m | 8.9% | 17.6% |
|
| 11 | 2093 m | +72 m | 7.2% | 13.8% |
|
| 12 | 2168 m | +75 m | 7.5% | 14.8% |
|
| 13 | 2249 m | +80 m | 8.0% | 22% |
|
| 14 | 2322 m | +73 m | 7.3% | 17.6% |
|
| 15 | 2356 m | +34 m | 3.4% | 8.2% |
|
| 16 | 2410 m | +54 m | 5.4% | 9% |
|
| 17 | 2479 m | +69 m | 6.9% | 12.2% |
|
| 18 | 2564 m | +85 m | 8.5% | 13.2% |
|
| 19 | 2650 m | +86 m | 8.6% | 14.7% |
|
| 20 | 2739 m | +89 m | 8.9% | 22% |
|
| 21 | 2760 m | +21 m | 10.5% | 11.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.