| Foreshore Road (West) | 2.62 mi | -16 ft | -0.1% |
| y forud | 3.16 mi | 66 ft | 0.3% |
| L'Etape '15 TimeTrial - Aber Foreshore Road - past the golf club | 2.33 mi | 7 ft | 0.1% |
| Bend to stretch!! | 0.57 mi | 66 ft | 2.0% |
| Whitehouse | 0.38 mi | 66 ft | 3.2% |
| Clip to Saron. | 0.19 mi | 23 ft | 2.3% |
| Saron i Llandwrog | 1.86 mi | -49 ft | -0.1% |
| Clip Llandwrog i junction A499 | 0.20 mi | 69 ft | 6.3% |
| Pontllyfni | 0.84 mi | 197 ft | 4.4% |
| Tai'n Lon - Llwynisaf climb | 0.68 mi | 207 ft | 5.8% |
| Biogen to Gyfelog | 0.94 mi | -16 ft | -0.0% |
| Heibio Sardus i Bencaenewydd | 2.28 mi | -200 ft | -1.5% |
| (MOR) Plasgwyn i post office | 0.57 mi | -75 ft | -2.2% |
| A497 Climb | 0.48 mi | 387 ft | 15.0% |
| Cob From Port Side | 0.75 mi | 56 ft | 0.7% |
| Penrhyndeudraeth climb with first kick | 0.49 mi | 121 ft | 4.6% |
| (MOR)Just yr allt de | 0.13 mi | 43 ft | 6.0% |
| Garreg Decent | 1.24 mi | -171 ft | -2.3% |
| Speed Trap | 0.44 mi | -151 ft | -6.4% |
| Nantmor | 3.46 mi | 525 ft | 2.8% |
| A498 Climb | 1.22 mi | 302 ft | 4.7% |
| Nant Gwynant CRM HC | 3.94 mi | 925 ft | 4.4% |
| Where Hindy pops | 2.24 mi | 561 ft | 4.7% |
| Llyn Gwynant to Pen-Y-Gwyrd | 2.71 mi | 646 ft | 4.5% |
| Nant Gwynant | 2.74 mi | 636 ft | 4.4% |
| Big Climb! | 1.74 mi | 486 ft | 5.2% |
| STEEP START | 0.71 mi | 197 ft | 5.0% |
| Lay-by to Junction - Nant Gwynant | 1.99 mi | 417 ft | 3.9% |
| ice cream van to pen y gwryd | 0.98 mi | 223 ft | 4.3% |
| Up and Over | 4.38 mi | -850 ft | -2.4% |
| GLLM - Hillclimb - Pen-y-Pass - A4086 | 1.02 mi | 276 ft | 5.1% |
| bend to finish HC tt | 0.41 mi | 118 ft | 5.4% |
| PYP Sprint Finish | 0.09 mi | 16 ft | 3.3% |
| Pen Y Pass decent to boulders by layby | 1.48 mi | -531 ft | -6.7% |
| top pass to half way lay by | 1.24 mi | -466 ft | -7.1% |
| PEN Y PASS - NANT PERIS | 3.02 mi | -781 ft | -4.9% |
| OLD VERSION - cromlech boulder to nant bends | 1.47 mi | -292 ft | -3.6% |
| GLLM - TT - To Llyn Peris - A4086 | 2.42 mi | -85 ft | -0.3% |
| Nant Peris Blast | 0.42 mi | -30 ft | -0.5% |
| Up the Duckrun | 1.14 mi | 151 ft | 1.5% |
| nant peris clip | 0.56 mi | 49 ft | 1.3% |
| LLanberis to Llanrug | 3.09 mi | 397 ft | 0.3% |
| Llanberis-Clegir Road Climb | 1.69 mi | 308 ft | 3.4% |
| Last of the Summer Wine... Cleggy | 0.59 mi | 180 ft | 5.3% |
| Cefn Y Ddraig | 0.52 mi | -43 ft | -1.0% |
| Clegir down | 1.04 mi | -325 ft | -5.7% |
| Ramp up to Waunfawr Rd | 0.73 mi | 69 ft | 1.8% |
| Caeathro - Peblig | 0.45 mi | -85 ft | -3.0% |
| Peblig mill clip | 0.17 mi | 36 ft | 3.7% |
| Texaco - Tesco | 0.27 mi | 16 ft | 0.8% |
