| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 415 m | +18 m | 1.8% | 7.2% |
|
| 2 | 411 m | −4 m | −0.4% | 6.4% |
|
| 3 | 419 m | +8 m | 0.8% | 23% |
|
| 4 | 433 m | +13 m | 1.3% | 9.4% |
|
| 5 | 451 m | +18 m | 1.8% | 7.8% |
|
| 6 | 477 m | +26 m | 2.6% | 17% |
|
| 7 | 497 m | +21 m | 2.1% | 11% |
|
| 8 | 525 m | +28 m | 2.8% | 13.8% |
|
| 9 | 541 m | +17 m | 1.7% | 17.2% |
|
| 10 | 610 m | +68 m | 6.8% | 30.4% |
|
| 11 | 708 m | +99 m | 9.9% | 25% |
|
| 12 | 752 m | +44 m | 4.4% | 17.2% |
|
| 13 | 816 m | +64 m | 6.4% | 21% |
|
| 14 | 909 m | +93 m | 9.3% | 22.4% |
|
| 15 | 973 m | +64 m | 6.4% | 23.6% |
|
| 16 | 1050 m | +77 m | 7.7% | 18.6% |
|
| 17 | 1144 m | +95 m | 9.5% | 22.6% |
|
| 18 | 1236 m | +91 m | 9.1% | 26.6% |
|
| 19 | 1307 m | +71 m | 7.1% | 11.6% |
|
| 20 | 1376 m | +69 m | 6.9% | 25% |
|
| 21 | 1457 m | +82 m | 8.2% | 14.6% |
|
| 22 | 1439 m | −18 m | −1.8% | 5.8% |
|
| 23 | 1386 m | −53 m | −5.3% | 5.8% |
|
| 24 | 1439 m | +53 m | 5.3% ? Includes a suspected survey error | 159.7% |
|
| 25 | 1372 m | −67 m | −6.7% ? Includes a suspected survey error | 83% |
|
| 26 | 1424 m | +52 m | 5.2% | 26.8% |
|
| 27 | 1438 m | +14 m | 1.4% | 25.2% |
|
| 28 | 1506 m | +68 m | 6.8% | 23.4% |
|
| 29 | 1571 m | +66 m | 6.6% | 20% |
|
| 30 | 1639 m | +67 m | 6.7% | 31% |
|
| 31 | 1708 m | +70 m | 8.2% | 14% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.