| dam sprint | 0.21 mi | -62 ft | -1.5% |
| Lake Vyrnwy Clockwise West | 4.28 mi | 16 ft | 0.1% |
| B4393 Climb | 0.28 mi | 358 ft | 24.1% |
| B4393 | 0.56 mi | 66 ft | 2.0% |
| vernwy legburnwy | 0.31 mi | 197 ft | 11.8% |
| Lake Vyrnwy to top of Hirnant Pass | 2.41 mi | 768 ft | 6.0% |
| Lake Vyrnwy to the top of Hirnant pass | 2.61 mi | 755 ft | 5.3% |
| Harry Potter Scenery | 1.69 mi | 594 ft | 6.6% |
| B4403 Climb | 1.54 mi | 577 ft | 7.1% |
| descending Hirnant pass | 2.73 mi | -650 ft | -4.0% |
| hirnant pass descent (first section) | 1.03 mi | -463 ft | -8.5% |
| Hirnant - Rhos-y-gwaliau descent | 5.23 mi | -932 ft | -3.4% |
| Grid to RyG | 3.35 mi | -285 ft | -1.6% |
| Junction to BnB | 0.82 mi | 30 ft | 0.5% |
| Bala Lake South (Old Road) | 4.47 mi | 118 ft | 0.5% |
| Bala i'r Fyrnwy | 13.32 mi | 1,250 ft | 0.4% |
| Bala lake east side | 3.83 mi | 128 ft | 0.6% |
| Bwlch Long | 6.21 mi | 1,188 ft | 3.6% |
| Pentre-piod climb | 0.24 mi | 69 ft | 5.2% |
| little train to BwlchyGroes | 5.85 mi | 1,198 ft | 3.9% |
| bwlch-y-groes from llanuwchllyn | 5.34 mi | 1,125 ft | 3.4% |
| Bwlch from Llan | 5.02 mi | 1,129 ft | 4.2% |
| Llanwchllyn | 4.97 mi | 1,135 ft | 4.3% |
| OFFICIAL Bwlch-Y-Groes NorthSide | 4.90 mi | 1,096 ft | 4.2% |
| Up To The Lay-by | 4.92 mi | 1,102 ft | 4.2% |
| All aboard the pain train | 4.80 mi | 1,073 ft | 4.2% |
| B4403 Climb | 1.38 mi | 486 ft | 6.7% |
| Bwlch y Groes THE EXCRUCIATING PART! | 0.78 mi | 141 ft | 3.3% |
| Bwlch-y-Groes north approach, final climb | 2.11 mi | 817 ft | 7.3% |
| Bwlch second half | 1.79 mi | 712 ft | 7.5% |
| The climb past the biggest stone wall ever | 1.25 mi | 528 ft | 8.0% |
| Final section up to bwlych-y-groes | 1.11 mi | 502 ft | 8.2% |
| Final section up to bwlych-y-groes proper | 1.10 mi | 443 ft | 7.6% |
| B4403 Climb | 1.01 mi | 427 ft | 7.9% |
| Bwich y Groes Full descent to Lake Vyrnw | 3.96 mi | -965 ft | -4.6% |
| Bwlch y groes to Vyrnwy - Last descent | 1.58 mi | -554 ft | -6.6% |
| Vyrnwy Sprint 2 | 4.78 mi | 23 ft | 0.0% |
| tower straight | 4.11 mi | -52 ft | -0.1% |
| Vyrnwy sprint | 2.58 mi | 49 ft | 0.1% |
