| Full Cob | 1.46 km | 0 m | 0.0% |
| The cob blast | 0.94 km | -8 m | -0.5% |
| Valley to Bryngwran | 5.81 km | 21 m | 0.3% |
| Caergeiliog East | 2.15 km | 11 m | 0.5% |
| A5 Valley roundabout to Bryngwran | 2.50 km | 15 m | 0.1% |
| Sprint for Cartio Mon | 0.78 km | -3 m | -0.0% |
| Cartio Mon Strip | 1.13 km | 6 m | 0.2% |
| Bryngwran Drag | 1.77 km | 15 m | 0.1% |
| Bryngwran Village Drag | 0.71 km | 19 m | 2.1% |
| a5 hill before gwalchmai | 0.81 km | 24 m | 3.0% |
| 60sec pain | 0.52 km | 22 m | 4.2% |
| Gwalchmai | 2.03 km | 32 m | 1.6% |
| Up and Down | 3.09 km | -48 m | -0.6% |
| Up to Cefn Cwmwd turn off | 0.94 km | 27 m | 2.8% |
| LLangefni Rise | 0.59 km | 20 m | 3.3% |
| Weeeeeeeeee | 1.43 km | -49 m | -3.4% |
| CRM 10 turn to finish | 7.82 km | 60 m | 0.1% |
| Into Gaerwen | 1.04 km | 40 m | 3.8% |
| Holland arms hill. | 1.03 km | 40 m | 3.9% |
| Pentre berw junction to roundabout | 1.80 km | 19 m | 0.9% |
| Roundabout to Star junction. | 1.88 km | -16 m | -0.9% |
| Bus Chasing | 0.57 km | 3 m | 0.4% |
| Climb up from the bridge | 0.49 km | 36 m | 7.2% |
| Britannia to Vaynol Peak | 2.05 km | 72 m | 3.4% |
| Biiiatch!! | 1.52 km | -36 m | -1.8% |
| Nipple | 0.79 km | -35 m | -4.4% |
| Goolies | 0.70 km | -30 m | -4.2% |
| Who DARES Wins! | 0.65 km | -3 m | -0.5% |
| y felinheli blast | 3.81 km | 23 m | 0.2% |
| Felinheli to cycle track | 0.78 km | 14 m | 1.3% |
| Crug Farm HC | 0.55 km | 33 m | 5.9% |
| Caeathro Segment | 0.42 km | 16 m | 3.7% |
| Lon Caeathro | 2.25 km | -29 m | -1.2% |
| Newborough i Homes | 0.21 km | 10 m | 4.4% |
| bontnewydd climb | 0.53 km | 26 m | 4.9% |
| Llanwnda i Groeslon | 2.35 km | 25 m | 1.1% |
| penygroes i chwarel Graianog | 4.30 km | 58 m | 0.7% |
| Graianog, Pant Glas, Gate to Gate Sprint | 1.62 km | -6 m | -0.4% |
| Golan bridge mini climb | 0.56 km | 24 m | 4.1% |
| Twist & shout | 2.06 km | -87 m | -4.2% |
| penmorfa decent | 2.08 km | -94 m | -4.5% |
| Cob From Port Side | 1.21 km | 17 m | 0.7% |
| Cob Climb | 0.62 km | 27 m | 4.1% |
| Llechwedd Hill | 2.50 km | 62 m | 2.5% |
| Harlech towards Llanfair climb | 0.62 km | 51 m | 8.2% |
| Ramp past the theatre (to junction) | 0.49 km | 50 m | 10.1% |
| Llanbedr, Victoria Climb | 0.62 km | 30 m | 4.7% |
| Llanbedr climb from bridge | 0.87 km | 29 m | 3.4% |
| Llanbedr to Dyffryn sprint. | 2.84 km | -14 m | -0.0% |
| Dyffryn to Tal-Y-Bont sprint. | 0.95 km | 4 m | 0.2% |
