| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 722 m | +28 m | 2.8% | 18% |
|
| 2 | 754 m | +32 m | 3.2% | 15.4% |
|
| 3 | 791 m | +37 m | 3.7% | 12% |
|
| 4 | 817 m | +26 m | 2.6% | 7.2% |
|
| 5 | 861 m | +44 m | 4.4% | 15% |
|
| 6 | 897 m | +36 m | 3.6% | 11.2% |
|
| 7 | 937 m | +40 m | 4.0% | 9.6% |
|
| 8 | 984 m | +47 m | 4.7% | 10.4% |
|
| 9 | 1048 m | +65 m | 6.5% | 16.4% |
|
| 10 | 1135 m | +87 m | 8.6% | 31% |
|
| 11 | 1300 m | +165 m | 16.5% | 54% |
|
| 12 | 1545 m | +245 m | 24.5% ? Includes a suspected survey error | 63% |
|
| 13 | 1521 m | −24 m | −2.4% ? Includes a suspected survey error | 96.4% |
|
| 14 | 1455 m | −66 m | −6.6% ? Includes a suspected survey error | 110.8% |
|
| 15 | 1480 m | +25 m | 2.5% | 14% |
|
| 16 | 1518 m | +39 m | 3.9% | 13% |
|
| 17 | 1590 m | +72 m | 7.2% | 18% |
|
| 18 | 1600 m | +10 m | 1.0% | 13.2% |
|
| 19 | 1585 m | −15 m | −1.5% | 7.2% |
|
| 20 | 1583 m | −3 m | −0.3% | 16% |
|
| 21 | 1609 m | +26 m | 2.6% | 7.4% |
|
| 22 | 1660 m | +51 m | 5.1% | 37.4% |
|
| 23 | 1705 m | +46 m | 4.6% | 24% |
|
| 24 | 1774 m | +68 m | 6.8% | 23.8% |
|
| 25 | 1850 m | +77 m | 7.7% | 21.2% |
|
| 26 | 1942 m | +92 m | 9.2% | 22.6% |
|
| 27 | 2043 m | +101 m | 10.1% | 24% |
|
| 28 | 2137 m | +94 m | 9.4% | 28.3% |
|
| 29 | 2226 m | +89 m | 8.9% | 38.8% |
|
| 30 | 2295 m | +69 m | 6.9% | 17.4% |
|
| 31 | 2308 m | +14 m | 1.4% | 11% |
|
| 32 | 2346 m | +38 m | 3.8% | 16.2% |
|
| 33 | 2418 m | +72 m | 7.1% | 17.6% |
|
| 34 | 2499 m | +82 m | 8.2% | 16% |
|
| 35 | 2569 m | +70 m | 7.0% | 21% |
|
| 36 | 2616 m | +47 m | 7.6% | 21% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.