| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 366 m | +27 m | 2.7% | 8.6% |
|
| 2 | 402 m | +36 m | 3.6% | 44.8% |
|
| 3 | 412 m | +9 m | 0.9% | 36.8% |
|
| 4 | 448 m | +37 m | 3.7% | 38% |
|
| 5 | 473 m | +25 m | 2.5% | 12.4% |
|
| 6 | 517 m | +44 m | 4.4% | 31% |
|
| 7 | 542 m | +25 m | 2.5% | 44.4% |
|
| 8 | 565 m | +23 m | 2.3% | 29.2% |
|
| 9 | 668 m | +103 m | 10.3% | 26.2% |
|
| 10 | 740 m | +72 m | 7.1% | 25.8% |
|
| 11 | 835 m | +95 m | 9.5% | 48% |
|
| 12 | 918 m | +83 m | 8.3% | 47.4% |
|
| 13 | 992 m | +74 m | 7.4% ? Includes a suspected survey error | 82% |
|
| 14 | 1039 m | +47 m | 4.7% ? Includes a suspected survey error | 29.4% |
|
| 15 | 1092 m | +54 m | 5.4% ? Includes a suspected survey error | 50.6% |
|
| 16 | 1216 m | +124 m | 12.4% ? Includes a suspected survey error | 97.8% |
|
| 17 | 1230 m | +13 m | 1.3% ? Includes a suspected survey error | 30.6% |
|
| 18 | 1270 m | +40 m | 4.0% | 12.8% |
|
| 19 | 1318 m | +48 m | 4.8% | 12.4% |
|
| 20 | 1352 m | +34 m | 3.4% | 11% |
|
| 21 | 1401 m | +50 m | 5.0% | 20.4% |
|
| 22 | 1461 m | +59 m | 5.9% | 18.2% |
|
| 23 | 1530 m | +70 m | 7.0% | 11.6% |
|
| 24 | 1549 m | +19 m | 1.8% | 11.2% |
|
| 25 | 1533 m | −16 m | −1.6% | 3.6% |
|
| 26 | 1575 m | +42 m | 4.2% | 12% |
|
| 27 | 1635 m | +60 m | 6.0% | 22.6% |
|
| 28 | 1673 m | +39 m | 4.5% | 11.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.