| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 770 m | +40 m | 4.0% | 13% |
|
| 2 | 767 m | −3 m | −0.3% | 14.2% |
|
| 3 | 768 m | +1 m | 0.1% | 17.2% |
|
| 4 | 807 m | +39 m | 3.9% | 28.8% |
|
| 5 | 827 m | +19 m | 1.9% | 22% |
|
| 6 | 906 m | +79 m | 7.9% | 21.4% |
|
| 7 | 976 m | +70 m | 7.0% | 31.4% |
|
| 8 | 1057 m | +82 m | 8.2% | 24.8% |
|
| 9 | 1150 m | +92 m | 9.2% | 20.2% |
|
| 10 | 1248 m | +98 m | 9.8% | 30% |
|
| 11 | 1274 m | +26 m | 2.6% | 13.8% |
|
| 12 | 1270 m | −4 m | −0.4% | 31.4% |
|
| 13 | 1199 m | −71 m | −7.1% | 3.6% |
|
| 14 | 1257 m | +58 m | 5.8% | 23.8% |
|
| 15 | 1335 m | +78 m | 7.8% | 23.2% |
|
| 16 | 1433 m | +98 m | 9.8% | 44.8% |
|
| 17 | 1503 m | +70 m | 7.0% | 27.8% |
|
| 18 | 1590 m | +87 m | 8.7% | 13.4% |
|
| 19 | 1651 m | +61 m | 6.1% | 21.4% |
|
| 20 | 1706 m | +55 m | 5.5% | 18% |
|
| 21 | 1742 m | +37 m | 3.7% | 13.6% |
|
| 22 | 1790 m | +47 m | 4.7% | 5.2% |
|
| 23 | 1756 m | −34 m | −3.4% | 36.4% |
|
| 24 | 1738 m | −18 m | −1.8% | 8% |
|
| 25 | 1810 m | +73 m | 7.3% | 8% |
|
| 26 | 1888 m | +78 m | 7.8% | 11% |
|
| 27 | 1952 m | +64 m | 6.4% | 9.2% |
|
| 28 | 2011 m | +58 m | 5.8% | 12.6% |
|
| 29 | 2064 m | +53 m | 6.1% | 6.8% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.