| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 320 m | +29 m | 2.9% | 8.4% |
|
| 2 | 380 m | +60 m | 6.0% | 10% |
|
| 3 | 464 m | +84 m | 8.4% | 11.8% |
|
| 4 | 537 m | +73 m | 7.3% | 11.4% |
|
| 5 | 603 m | +66 m | 6.6% | 12% |
|
| 6 | 678 m | +74 m | 7.4% | 12.4% |
|
| 7 | 749 m | +71 m | 7.1% | 12.8% |
|
| 8 | 817 m | +69 m | 6.9% | 12% |
|
| 9 | 886 m | +68 m | 6.8% | 10% |
|
| 10 | 959 m | +73 m | 7.3% | 8.8% |
|
| 11 | 1029 m | +70 m | 7.0% | 8.6% |
|
| 12 | 1069 m | +40 m | 4.0% | 7.8% |
|
| 13 | 1116 m | +46 m | 4.6% | 8.4% |
|
| 14 | 1133 m | +17 m | 1.7% | 6% |
|
| 15 | 1182 m | +49 m | 4.9% | 9.6% |
|
| 16 | 1230 m | +48 m | 4.8% | 7.2% |
|
| 17 | 1265 m | +35 m | 3.5% | 9% |
|
| 18 | 1285 m | +19 m | 1.9% | 6.6% |
|
| 19 | 1306 m | +21 m | 2.1% | 4.6% |
|
| 20 | 1315 m | +9 m | 3.9% | 6.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.