| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 1024 m | +22 m | 2.2% | 4.2% |
|
| 2 | 1035 m | +11 m | 1.1% | 7% |
|
| 3 | 1095 m | +60 m | 6.0% | 7% |
|
| 4 | 1106 m | +11 m | 1.1% | 7.6% |
|
| 5 | 1175 m | +70 m | 7.0% | 12% |
|
| 6 | 1223 m | +48 m | 4.8% | 9.6% |
|
| 7 | 1262 m | +39 m | 3.9% | 5.6% |
|
| 8 | 1259 m | −3 m | −0.3% | 3% |
|
| 9 | 1237 m | −22 m | −2.2% | 0% |
|
| 10 | 1240 m | +3 m | 0.3% | 6.8% |
|
| 11 | 1174 m | −66 m | −6.6% | 0% |
|
| 12 | 1221 m | +47 m | 4.7% | 11.6% |
|
| 13 | 1291 m | +70 m | 7.0% | 10.4% |
|
| 14 | 1398 m | +108 m | 10.8% | 12.4% |
|
| 15 | 1469 m | +70 m | 7.0% | 11.4% |
|
| 16 | 1559 m | +90 m | 9.0% | 10.8% |
|
| 17 | 1632 m | +74 m | 7.4% | 8.8% |
|
| 18 | 1733 m | +101 m | 10.1% | 14.8% |
|
| 19 | 1754 m | +21 m | 2.1% | 9% |
|
| 20 | 1755 m | +1 m | 5.0% | 5% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.