| pont-rug drag | 1.97 km | 57 m | 2.9% |
| Bryn Bras Castle | 1.87 km | 106 m | 5.6% |
| Bryn Bras Castle to Cattlegrid | 1.36 km | 88 m | 6.5% |
| Slateman - Start To Crash | 4.30 km | 24 m | 0.3% |
| Sprint to the Vaynol for last orders | 2.47 km | -47 m | -0.9% |
| Nant Peris to Cromlech | 3.51 km | 97 m | 2.7% |
| Pen-y-Pass | 4.38 km | 228 m | 5.2% |
| Pen-y-Pass | 4.20 km | 252 m | 5.9% |
| the proper pen y pass! | 3.88 km | 234 m | 6.0% |
| A4086 Climb | 1.60 km | 112 m | 7.0% |
| Bridge to the top | 1.96 km | 148 m | 7.5% |
| A4086 Climb | 1.05 km | 86 m | 8.1% |
| Pen-y-Pass descent (east) | 1.62 km | -87 m | -5.4% |
| Decent Pen y pass - Nant Gwynant | 6.82 km | -281 m | -3.7% |
| Pen-Y-Pass Eastern Descent | 1.36 km | -46 m | -3.4% |
| Gwryd descent | 4.07 km | -189 m | -4.7% |
| Llyn Gwynant T-T | 1.44 km | 37 m | 0.7% |
| Lake Llyn Gwynant To Beddgelert | 6.77 km | -39 m | -0.4% |
| Llyn Dinas T-T | 1.45 km | -13 m | -0.4% |
| Red Dragon Bunk Hse to Cae Ddu Campsite | 3.38 km | -19 m | -0.6% |
| Nantmor hill, bottom of corner to bend | 0.34 km | 27 m | 7.7% |
| Croesor climb | 3.17 km | 139 m | 4.4% |
| B4410 Climb | 1.02 km | 91 m | 8.9% |
| Short and sweet. | 0.21 km | 37 m | 16.9% |
| Through Rhyd | 0.56 km | -28 m | -3.6% |
| griffin to tax office | 4.29 km | -38 m | -0.4% |
| cob | 1.21 km | -17 m | -0.9% |
| Porthmadog High Street | 0.06 km | -3 m | -5.2% |
| Cob Dash | 0.67 km | -0 m | -0.0% |
| A498 Climb | 0.56 km | -7 m | -0.8% |
| Prenteg to first hairpin | 0.27 km | 30 m | 11.0% |
| Prenteg Hill to first cattle grid | 1.45 km | 173 m | 11.8% |
| Prenteg - Playground to first cattle grid | 1.26 km | 162 m | 12.8% |
| prenteg | 0.85 km | 126 m | 14.6% |
| B4418 Climb | 0.30 km | 5 m | 1.6% |
| Drws Y Coed 4.8mi TT | 7.68 km | 160 m | 2.0% |
| Drws-y-coed pass | 5.34 km | 140 m | 2.6% |
| Drws Y Coed i Rhyd Ddu | 3.90 km | 110 m | 1.3% |
| Humping | 2.89 km | 110 m | 2.5% |
| B4418 Climb | 1.57 km | 113 m | 7.2% |
| Drws y Coed Hill Climb | 1.43 km | 101 m | 7.0% |
| GLLM - Hillclimb - Drws Y Coes - B4418 | 1.65 km | 109 m | 6.2% |
| Drws-y-coed pass (steep bit) | 1.10 km | 100 m | 9.0% |
| Drws Top to Rhyd Du | 1.80 km | -65 m | -3.6% |
| fast bends ! | 1.09 km | -31 m | -2.8% |
| Rhyd Ddu to Snowdon Ranger | 2.29 km | -38 m | -1.3% |
| L'Etape '15 Sprint - Llyn Cwellyn A4085 | 1.66 km | 8 m | 0.0% |
| nice one to betws garmon | 1.74 km | -13 m | -0.7% |
| Ger pub Weun | 0.14 km | 16 m | 10.8% |
| Caer Waun Climb | 1.41 km | 81 m | 5.7% |
