| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 869 m | +56 m | 5.6% | 7% |
|
| 2 | 934 m | +65 m | 6.5% | 7.2% |
|
| 3 | 966 m | +32 m | 3.2% | 7% |
|
| 4 | 991 m | +24 m | 2.4% | 4.2% |
|
| 5 | 1054 m | +64 m | 6.4% | 10.2% |
|
| 6 | 1134 m | +80 m | 8.0% | 9.2% |
|
| 7 | 1205 m | +70 m | 7.0% | 7.6% |
|
| 8 | 1281 m | +76 m | 7.6% | 8.6% |
|
| 9 | 1357 m | +77 m | 7.6% | 8.2% |
|
| 10 | 1442 m | +84 m | 8.4% | 9% |
|
| 11 | 1478 m | +36 m | 3.6% | 9.2% |
|
| 12 | 1509 m | +31 m | 3.1% | 5.6% |
|
| 13 | 1547 m | +38 m | 3.8% | 6.2% |
|
| 14 | 1617 m | +71 m | 7.0% | 8.4% |
|
| 15 | 1695 m | +78 m | 7.8% | 9% |
|
| 16 | 1761 m | +66 m | 6.6% | 8.6% |
|
| 17 | 1809 m | +48 m | 4.8% | 5.8% |
|
| 18 | 1870 m | +62 m | 6.2% | 8.4% |
|
| 19 | 1950 m | +80 m | 8.0% | 8.6% |
|
| 20 | 1969 m | +19 m | 6.9% | 8.2% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.