| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 107 m | +10 m | 1.0% | 6.2% |
|
| 2 | 175 m | +68 m | 6.8% | 16.8% |
|
| 3 | 302 m | +126 m | 12.6% | 20.4% |
|
| 4 | 453 m | +151 m | 15.1% | 23.2% |
|
| 5 | 534 m | +82 m | 8.2% | 17.6% |
|
| 6 | 609 m | +75 m | 7.5% | 21% |
|
| 7 | 668 m | +59 m | 5.9% | 9.6% |
|
| 8 | 744 m | +76 m | 7.6% | 11% |
|
| 9 | 825 m | +81 m | 8.1% | 10.8% |
|
| 10 | 913 m | +88 m | 8.8% | 12.4% |
|
| 11 | 986 m | +73 m | 7.3% | 11% |
|
| 12 | 1047 m | +62 m | 6.2% | 8% |
|
| 13 | 1121 m | +74 m | 7.4% | 9.4% |
|
| 14 | 1191 m | +69 m | 6.9% | 9% |
|
| 15 | 1256 m | +65 m | 6.5% | 8.8% |
|
| 16 | 1321 m | +65 m | 6.5% | 8.4% |
|
| 17 | 1392 m | +71 m | 7.1% | 8.6% |
|
| 18 | 1463 m | +72 m | 7.2% | 9% |
|
| 19 | 1535 m | +72 m | 7.2% | 9.4% |
|
| 20 | 1618 m | +83 m | 8.3% | 9.8% |
|
| 21 | 1684 m | +65 m | 6.5% | 8.6% |
|
| 22 | 1749 m | +65 m | 6.5% | 9% |
|
| 23 | 1828 m | +79 m | 7.9% | 9.6% |
|
| 24 | 1908 m | +80 m | 8.0% | 9% |
|
| 25 | 1966 m | +58 m | 5.8% | 8% |
|
| 26 | 1983 m | +18 m | 1.8% | 7.8% |
|
| 27 | 1974 m | −9 m | −0.9% | 4% |
|
| 28 | 2020 m | +45 m | 4.5% | 9.2% |
|
| 29 | 2089 m | +70 m | 7.0% | 9% |
|
| 30 | 2167 m | +78 m | 7.8% | 10.2% |
|
| 31 | 2221 m | +54 m | 5.4% | 8.4% |
|
| 32 | 2196 m | −25 m | −2.5% | 3% |
|
| 33 | 2231 m | +35 m | 3.5% | 8% |
|
| 34 | 2294 m | +64 m | 6.4% | 10.4% |
|
| 35 | 2298 m | +4 m | 0.4% | 7% |
|
| 36 | 2343 m | +45 m | 4.5% | 7% |
|
| 37 | 2343 m | 0 m | 0.0% | 3.5% |
|
| 38 | 2381 m | +38 m | 4.0% | 11% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.