| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 704 m | +73 m | 7.3% | 9.2% |
|
| 2 | 793 m | +88 m | 8.8% | 9.2% |
|
| 3 | 864 m | +71 m | 7.1% | 9.4% |
|
| 4 | 933 m | +70 m | 7.0% | 8% |
|
| 5 | 994 m | +61 m | 6.1% | 7% |
|
| 6 | 1059 m | +65 m | 6.5% | 7% |
|
| 7 | 1127 m | +68 m | 6.8% | 7% |
|
| 8 | 1189 m | +62 m | 6.2% | 7% |
|
| 9 | 1265 m | +76 m | 7.6% | 9% |
|
| 10 | 1296 m | +31 m | 3.1% | 6.2% |
|
| 11 | 1290 m | −6 m | −0.6% | 3.2% |
|
| 12 | 1367 m | +77 m | 7.7% | 9% |
|
| 13 | 1446 m | +79 m | 7.9% | 8.4% |
|
| 14 | 1520 m | +74 m | 7.4% | 8.6% |
|
| 15 | 1592 m | +72 m | 7.1% | 8.6% |
|
| 16 | 1637 m | +45 m | 4.5% | 8.2% |
|
| 17 | 1638 m | +1 m | 0.1% | 5.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.