| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 652 m | +20 m | 2.0% | 6.4% |
|
| 2 | 672 m | +20 m | 2.0% | 5% |
|
| 3 | 698 m | +27 m | 2.7% | 7.6% |
|
| 4 | 737 m | +39 m | 3.9% | 5.8% |
|
| 5 | 766 m | +29 m | 2.9% | 5.8% |
|
| 6 | 812 m | +46 m | 4.6% | 6.2% |
|
| 7 | 849 m | +37 m | 3.7% | 5.8% |
|
| 8 | 897 m | +49 m | 4.9% | 10.4% |
|
| 9 | 952 m | +55 m | 5.5% | 7.2% |
|
| 10 | 987 m | +35 m | 3.5% | 7.2% |
|
| 11 | 1029 m | +42 m | 4.2% | 9.2% |
|
| 12 | 1045 m | +16 m | 1.6% | 3.4% |
|
| 13 | 1062 m | +17 m | 1.7% | 6.8% |
|
| 14 | 1087 m | +25 m | 2.5% | 4.8% |
|
| 15 | 1121 m | +34 m | 3.4% | 8.2% |
|
| 16 | 1163 m | +42 m | 4.2% | 8.8% |
|
| 17 | 1260 m | +97 m | 9.7% | 27% |
|
| 18 | 1297 m | +37 m | 3.7% ? Includes a suspected survey error | 31% |
|
| 19 | 1362 m | +65 m | 6.5% | 11.8% |
|
| 20 | 1402 m | +40 m | 4.0% | 5.8% |
|
| 21 | 1421 m | +19 m | 1.9% | 3.4% |
|
| 22 | 1433 m | +13 m | 1.3% | 3% |
|
| 23 | 1449 m | +16 m | 1.6% | 3% |
|
| 24 | 1473 m | +24 m | 2.4% | 4.4% |
|
| 25 | 1491 m | +19 m | 1.8% | 4.6% |
|
| 26 | 1504 m | +13 m | 1.3% | 3.4% |
|
| 27 | 1531 m | +27 m | 2.7% | 4.2% |
|
| 28 | 1551 m | +20 m | 2.0% | 4% |
|
| 29 | 1597 m | +46 m | 4.6% | 6.8% |
|
| 30 | 1630 m | +33 m | 3.3% | 4.6% |
|
| 31 | 1692 m | +62 m | 6.2% | 7.2% |
|
| 32 | 1770 m | +78 m | 7.8% | 13% |
|
| 33 | 1833 m | +63 m | 6.3% | 7.4% |
|
| 34 | 1902 m | +69 m | 6.9% | 7.6% |
|
| 35 | 1959 m | +57 m | 5.7% | 8.6% |
|
| 36 | 2017 m | +58 m | 5.8% | 11.6% |
|
| 37 | 2038 m | +22 m | 4.1% | 5.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.