| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 664 m | +53 m | 5.3% | 7% |
|
| 2 | 736 m | +72 m | 7.2% | 8.6% |
|
| 3 | 802 m | +66 m | 6.6% | 9% |
|
| 4 | 869 m | +67 m | 6.7% | 9.2% |
|
| 5 | 932 m | +63 m | 6.3% | 7.8% |
|
| 6 | 1003 m | +71 m | 7.1% | 10.4% |
|
| 7 | 1069 m | +67 m | 6.7% | 9.2% |
|
| 8 | 1138 m | +68 m | 6.8% | 8.8% |
|
| 9 | 1208 m | +70 m | 7.0% | 9% |
|
| 10 | 1277 m | +69 m | 6.9% | 12.6% |
|
| 11 | 1350 m | +73 m | 7.3% | 8.4% |
|
| 12 | 1362 m | +12 m | 1.2% | 7% |
|
| 13 | 1397 m | +35 m | 3.5% | 8.6% |
|
| 14 | 1425 m | +28 m | 2.8% | 12.4% |
|
| 15 | 1502 m | +76 m | 7.6% | 11.2% |
|
| 16 | 1517 m | +15 m | 1.5% | 8% |
|
| 17 | 1572 m | +55 m | 5.5% | 10% |
|
| 18 | 1622 m | +50 m | 5.0% | 10.6% |
|
| 19 | 1535 m | −87 m | −8.7% | 0% |
|
| 20 | 1465 m | −70 m | −7.0% | 0.2% |
|
| 21 | 1428 m | −37 m | −3.7% | 3.8% |
|
| 22 | 1359 m | −68 m | −6.8% | 7.8% |
|
| 23 | 1373 m | +14 m | 1.4% | 12.2% |
|
| 24 | 1460 m | +87 m | 8.7% | 11.5% |
|
| 25 | 1562 m | +103 m | 10.3% | 12.2% |
|
| 26 | 1664 m | +102 m | 10.2% | 13.2% |
|
| 27 | 1770 m | +105 m | 10.5% | 12.6% |
|
| 28 | 1868 m | +98 m | 9.8% | 11.8% |
|
| 29 | 1906 m | +38 m | 10.0% | 11.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.