| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 747 m | +3 m | 0.3% | 3.2% |
|
| 2 | 765 m | +19 m | 1.9% | 12% |
|
| 3 | 811 m | +45 m | 4.5% | 45.8% |
|
| 4 | 871 m | +60 m | 6.0% | 13.8% |
|
| 5 | 868 m | −3 m | −0.3% | 16% |
|
| 6 | 893 m | +25 m | 2.5% | 8.6% |
|
| 7 | 938 m | +45 m | 4.5% | 22.4% |
|
| 8 | 936 m | −2 m | −0.2% | 14.4% |
|
| 9 | 1002 m | +66 m | 6.6% | 25.8% |
|
| 10 | 1098 m | +97 m | 9.7% | 28.8% |
|
| 11 | 1167 m | +69 m | 6.9% | 19.8% |
|
| 12 | 1179 m | +12 m | 1.2% | 9.2% |
|
| 13 | 1195 m | +16 m | 1.6% | 5.8% |
|
| 14 | 1270 m | +75 m | 7.5% | 40.5% |
|
| 15 | 1358 m | +88 m | 8.8% | 54.8% |
|
| 16 | 1446 m | +88 m | 8.8% | 31.8% |
|
| 17 | 1501 m | +55 m | 5.5% | 23.6% |
|
| 18 | 1556 m | +55 m | 5.5% | 43.6% |
|
| 19 | 1582 m | +26 m | 2.6% | 39.2% |
|
| 20 | 1582 m | −1 m | −0.1% | 14% |
|
| 21 | 1571 m | −11 m | −1.1% | 36.2% |
|
| 22 | 1562 m | −9 m | −0.9% | 4% |
|
| 23 | 1553 m | −9 m | −0.9% | 6% |
|
| 24 | 1592 m | +39 m | 3.9% | 19.2% |
|
| 25 | 1626 m | +34 m | 3.4% | 18.2% |
|
| 26 | 1658 m | +32 m | 3.2% | 18.8% |
|
| 27 | 1691 m | +34 m | 3.4% | 12.4% |
|
| 28 | 1704 m | +13 m | 6.9% | 12.4% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.