| A525 to Marble Church | 2.74 km | 15 m | 0.5% |
| Marble Church Sprint | 0.93 km | 12 m | 1.2% |
| Engine Hill to Spanish Hill | 5.88 km | 213 m | 3.6% |
| Cae Onnen Climb | 2.24 km | 132 m | 5.9% |
| Engine Hill Climb | 1.34 km | 73 m | 5.4% |
| Roman Ascent | 0.66 km | 46 m | 6.8% |
| Up Spanish's hill | 1.26 km | 71 m | 5.4% |
| Crossroads to Badger | 1.16 km | -54 m | -4.6% |
| Downhill into Llanfair TH | 1.99 km | -88 m | -4.4% |
| Downhill into Llanfair TH | 2.11 km | -83 m | -4.0% |
| Allt Y Powls Climb | 2.59 km | 192 m | 7.4% |
| Llanfair TH 30% | 0.36 km | 64 m | 17.6% |
| Llanfair TH 30% to the top | 1.96 km | 173 m | 8.8% |
| Crossroads-Llansannan | 2.87 km | -92 m | -3.1% |
| Llansannan Drop | 1.57 km | -87 m | -5.1% |
| B5382-B5384 (from junction) | 2.04 km | 100 m | 4.9% |
| B5384 Climb | 0.94 km | 86 m | 9.1% |
| From Crossroad to Crossroad | 1.41 km | 51 m | 3.6% |
| Llanrwst to Tal-y-Cafn | 10.17 km | 14 m | 0.0% |
| Rhos Valley 10m TT-return leg | 6.57 km | -7 m | -0.1% |
| GLLM - Timetrial out of Llanwrst to Taly-y-Cafn A470 | 9.53 km | 13 m | 0.0% |
| Hammers Down | 7.95 km | 10 m | 0.1% |
| Climb out from Tal y Cafn | 0.58 km | 49 m | 8.1% |
| Tal-Y-Cafn To B5113 | 5.88 km | 256 m | 4.4% |
| Ty Gwyn to Graig | 0.63 km | -31 m | -1.0% |
| Ffordd Cae Forys Climb | 1.81 km | 163 m | 9.0% |
| Graig - Chweffordd HC | 4.14 km | 233 m | 5.6% |
| B5113 Climb | 1.77 km | 84 m | 4.7% |
| Trofarth Sprint 2 | 0.19 km | 9 m | 4.6% |
| dolwen down | 1.94 km | -151 m | -7.8% |
| Dolwen to Betws yn Rhos | 1.61 km | 45 m | 2.8% |
| betws dash out | 1.25 km | 40 m | 2.3% |
| Betws i'r Groesffordd | 3.02 km | 61 m | 2.0% |
| Nant yr Efail climb | 0.59 km | 37 m | 6.2% |
| B5381 Climb | 1.56 km | 189 m | 12.1% |
| Pen yr Efail climb | 0.32 km | 21 m | 5.3% |
| Moelfre to engine hill | 6.45 km | -166 m | -2.1% |
| cane it! | 1.10 km | -30 m | -2.8% |
| Roman Road Ascent | 0.20 km | 12 m | 5.7% |
| Roman descent | 0.71 km | -42 m | -5.9% |
| Engine hill descent | 1.29 km | -71 m | -5.5% |
| A55 Bridge to Rhuddlan | 3.49 km | -24 m | -0.7% |
| Sarn Lane 2 Rhuddlan | 2.63 km | -15 m | -0.5% |
