| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 381 m | +63 m | 6.3% | 7% |
|
| 2 | 443 m | +62 m | 6.2% | 8% |
|
| 3 | 477 m | +34 m | 3.4% | 6.4% |
|
| 4 | 536 m | +59 m | 5.9% | 7% |
|
| 5 | 600 m | +64 m | 6.4% | 6.6% |
|
| 6 | 664 m | +64 m | 6.4% | 7.4% |
|
| 7 | 706 m | +42 m | 4.2% | 6.2% |
|
| 8 | 741 m | +34 m | 3.4% | 4.4% |
|
| 9 | 797 m | +56 m | 5.6% | 7.4% |
|
| 10 | 863 m | +66 m | 6.6% | 7.4% |
|
| 11 | 919 m | +57 m | 5.7% | 7.2% |
|
| 12 | 941 m | +22 m | 2.2% | 6% |
|
| 13 | 940 m | −2 m | −0.2% | 3.6% |
|
| 14 | 950 m | +10 m | 1.0% | 4% |
|
| 15 | 960 m | +11 m | 1.1% | 5% |
|
| 16 | 1006 m | +46 m | 4.6% | 8.6% |
|
| 17 | 1081 m | +75 m | 7.5% | 9.2% |
|
| 18 | 1150 m | +69 m | 6.9% | 7.6% |
|
| 19 | 1202 m | +52 m | 5.2% | 8.4% |
|
| 20 | 1271 m | +69 m | 6.9% | 7.2% |
|
| 21 | 1344 m | +73 m | 7.3% | 8% |
|
| 22 | 1410 m | +66 m | 6.6% | 7.2% |
|
| 23 | 1486 m | +76 m | 7.6% | 8.2% |
|
| 24 | 1554 m | +69 m | 6.9% | 7.8% |
|
| 25 | 1622 m | +68 m | 6.8% | 9.2% |
|
| 26 | 1691 m | +69 m | 6.9% | 7.2% |
|
| 27 | 1761 m | +70 m | 7.0% | 8% |
|
| 28 | 1825 m | +64 m | 6.4% | 7.6% |
|
| 29 | 1883 m | +58 m | 5.8% | 7.2% |
|
| 30 | 1948 m | +65 m | 6.5% | 7.2% |
|
| 31 | 1989 m | +40 m | 4.0% | 6% |
|
| 32 | 2079 m | +90 m | 9.0% | 10.2% |
|
| 33 | 2142 m | +63 m | 6.3% | 8.4% |
|
| 34 | 2149 m | +7 m | 3.9% | 4% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.