| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 571 m | +64 m | 6.4% | 19.6% |
|
| 2 | 601 m | +30 m | 3.0% | 11.4% |
|
| 3 | 616 m | +15 m | 1.5% | 5.2% |
|
| 4 | 656 m | +41 m | 4.1% | 6.2% |
|
| 5 | 672 m | +15 m | 1.5% | 5% |
|
| 6 | 697 m | +25 m | 2.5% | 6% |
|
| 7 | 736 m | +39 m | 3.9% | 8.4% |
|
| 8 | 782 m | +45 m | 4.5% | 7% |
|
| 9 | 826 m | +44 m | 4.4% | 8% |
|
| 10 | 902 m | +76 m | 7.6% | 11.4% |
|
| 11 | 974 m | +72 m | 7.2% | 11.2% |
|
| 12 | 1007 m | +34 m | 3.4% | 15% |
|
| 13 | 1030 m | +23 m | 2.3% | 4% |
|
| 14 | 1091 m | +61 m | 6.1% | 9.6% |
|
| 15 | 1160 m | +69 m | 6.9% | 12% |
|
| 16 | 1221 m | +61 m | 6.1% | 13% |
|
| 17 | 1252 m | +31 m | 3.1% | 11.2% |
|
| 18 | 1244 m | −9 m | −0.9% | 1.8% |
|
| 19 | 1274 m | +30 m | 3.0% | 5% |
|
| 20 | 1308 m | +35 m | 3.5% | 5% |
|
| 21 | 1354 m | +46 m | 4.6% | 5.8% |
|
| 22 | 1406 m | +52 m | 5.2% | 6.2% |
|
| 23 | 1472 m | +66 m | 6.6% | 9.2% |
|
| 24 | 1545 m | +74 m | 7.4% | 13% |
|
| 25 | 1612 m | +66 m | 6.6% | 9.2% |
|
| 26 | 1677 m | +66 m | 6.6% | 9.4% |
|
| 27 | 1718 m | +40 m | 4.0% | 7% |
|
| 28 | 1784 m | +66 m | 6.6% | 8.2% |
|
| 29 | 1791 m | +7 m | 3.0% | 4% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.