| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 436 m | +11 m | 1.1% | 4% |
|
| 2 | 442 m | +6 m | 0.6% | 4% |
|
| 3 | 464 m | +22 m | 2.2% | 5% |
|
| 4 | 503 m | +38 m | 3.8% | 5.2% |
|
| 5 | 516 m | +13 m | 1.3% | 5.8% |
|
| 6 | 521 m | +6 m | 0.6% | 5.8% |
|
| 7 | 497 m | −24 m | −2.4% | 6% |
|
| 8 | 479 m | −18 m | −1.8% | 4% |
|
| 9 | 500 m | +20 m | 2.0% | 7.2% |
|
| 10 | 501 m | +1 m | 0.1% | 9.4% |
|
| 11 | 542 m | +41 m | 4.1% | 13.4% |
|
| 12 | 597 m | +55 m | 5.5% | 11.4% |
|
| 13 | 643 m | +46 m | 4.6% | 10.6% |
|
| 14 | 726 m | +83 m | 8.3% | 14.6% |
|
| 15 | 792 m | +66 m | 6.6% | 19.4% |
|
| 16 | 776 m | −16 m | −1.6% | 8.2% |
|
| 17 | 847 m | +71 m | 7.1% | 17.8% |
|
| 18 | 906 m | +59 m | 5.9% | 16% |
|
| 19 | 978 m | +72 m | 7.2% | 13.7% |
|
| 20 | 1045 m | +67 m | 6.7% | 11.3% |
|
| 21 | 1110 m | +65 m | 6.5% | 12.2% |
|
| 22 | 1152 m | +41 m | 4.1% | 9.6% |
|
| 23 | 1188 m | +37 m | 3.7% | 8.8% |
|
| 24 | 1237 m | +49 m | 4.9% | 8.2% |
|
| 25 | 1267 m | +30 m | 2.9% | 5.2% |
|
| 26 | 1267 m | +1 m | 0.1% | 3% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.