| Allt Hendrewen | 0.59 km | 52 m | 8.7% |
| caerhun i pentir | 2.26 km | 22 m | 0.6% |
| Caerhun > Pentir (afon Cegin) | 1.92 km | 24 m | 0.4% |
| A4244 cut-through reverse | 1.31 km | 11 m | 0.6% |
| Ynys Iago to Pen Dinas | 1.46 km | 39 m | 2.5% |
| Up to Cae Hob | 0.37 km | 16 m | 4.2% |
| GLLM - TT - Ffordd Bryngwyn to Waunfawr | 2.94 km | 71 m | 2.3% |
| Ceunant HC | 1.17 km | 64 m | 5.2% |
| The Groeslon blast! | 1.39 km | -44 m | -3.0% |
| lawr caer waun | 0.50 km | -34 m | -6.8% |
| parc campsite | 0.62 km | -25 m | -3.3% |
| Waunfawr - Rhyd-Ddu | 8.36 km | 58 m | 0.7% |
| waunfawr - rud ddu | 8.78 km | 64 m | 0.7% |
| Nantlle Rd TT Up | 8.80 km | 108 m | 1.1% |
| Llyn Cwellyn | 1.90 km | -8 m | -0.1% |
| Rhyd Ddu - Drws y Coed | 3.20 km | 113 m | 3.5% |
| Drag up to rhyd | 1.12 km | 31 m | 2.8% |
| Rhyd Ddu To Top Drws-Y-Coed | 1.98 km | 70 m | 3.5% |
| Rhyd-Ddu - Drws-y-Coed HC | 1.93 km | 73 m | 3.7% |
| Llyn Dywarchen climb | 1.55 km | 68 m | 4.3% |
| (MOR) Lawr Drws y coed. | 1.51 km | -109 m | -7.2% |
| Top Drws to Nantlle blast. | 4.36 km | -132 m | -3.0% |
| Rhyd Ddu to Nantlle downhill | 2.45 km | -122 m | -5.0% |
| Power Down. | 0.34 km | 7 m | 1.4% |
| Cae Fron Climb | 2.33 km | 170 m | 7.3% |
| Fron to Rhosgadfan | 1.83 km | -2 m | -0.1% |
| Rhos Descent | 1.41 km | -118 m | -8.4% |
| Rhosgadfan - Dins descent | 3.44 km | -194 m | -5.6% |
| Rhostryfan-Dinas | 2.01 km | -73 m | -3.6% |
| Allan o Rhostryfan | 0.62 km | -40 m | -6.4% |
| 0.34 km | -23 m | -6.6% |
| Dinas | 1.87 km | -66 m | -3.6% |
| Segment | 1.06 km | -11 m | -1.0% |
| caeathro rounderbout-before the dip | 0.97 km | 59 m | 6.1% |
| Caeathro to Llanrug | 4.32 km | 68 m | 1.1% |
| Turn to Llanrug | 3.25 km | -30 m | -0.4% |
| down to llanryg | 2.49 km | -27 m | -1.1% |
| lon gefn llanrug i bethel | 2.20 km | -25 m | -0.9% |
| over the bridge to bethel | 0.75 km | -25 m | -3.3% |
| Another Hill down to Nant Y Garth | 0.62 km | -38 m | -5.3% |
| Fodolydd lane climb | 1.15 km | 57 m | 4.0% |
| Tesco to DW | 1.31 km | -2 m | -0.0% |
| Tesco - McDonalds Sprint | 0.97 km | -11 m | -0.1% |
| Ainon Road short but stiff climb! | 0.26 km | 21 m | 8.0% |
| ouch | 0.30 km | 26 m | 8.4% |
