| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 1932 m | +8 m | 0.8% | 4% |
|
| 2 | 1964 m | +33 m | 3.3% | 3.8% |
|
| 3 | 2015 m | +50 m | 5.0% | 5.6% |
|
| 4 | 2069 m | +55 m | 5.5% | 6.4% |
|
| 5 | 2113 m | +44 m | 4.4% | 6% |
|
| 6 | 2163 m | +50 m | 5.0% | 7.2% |
|
| 7 | 2189 m | +26 m | 2.6% | 3.6% |
|
| 8 | 2221 m | +32 m | 3.2% | 5.8% |
|
| 9 | 2245 m | +24 m | 2.4% | 4.2% |
|
| 10 | 2272 m | +27 m | 2.7% | 5.6% |
|
| 11 | 2293 m | +20 m | 2.0% | 6.6% |
|
| 12 | 2331 m | +38 m | 3.8% | 6% |
|
| 13 | 2358 m | +27 m | 2.7% | 4% |
|
| 14 | 2405 m | +48 m | 4.8% | 9.2% |
|
| 15 | 2445 m | +40 m | 4.0% | 7.4% |
|
| 16 | 2502 m | +56 m | 5.6% | 7% |
|
| 17 | 2538 m | +36 m | 3.6% | 7.8% |
|
| 18 | 2596 m | +58 m | 5.8% | 8.6% |
|
| 19 | 2642 m | +47 m | 4.7% | 6.6% |
|
| 20 | 2669 m | +27 m | 2.7% | 5.4% |
|
| 21 | 2671 m | +2 m | 0.3% | 7.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.