| St Mary's Sprint | 0.06 mi | -3 ft | -0.8% |
| Cardiff docks-Newport. Newport flats | 9.04 mi | -26 ft | -0.0% |
| rover way - broadway | 4.79 mi | -23 ft | -0.0% |
| flat out | 1.09 mi | -13 ft | -0.0% |
| Peterstone Broadway Sprint | 0.56 mi | -7 ft | -0.1% |
| St Brides to Railway Bridge | 1.70 mi | 10 ft | 0.0% |
| Hello Donkeys !!!! | 0.69 mi | 7 ft | 0.1% |
| There is no bridge | 0.56 mi | 13 ft | 0.1% |
| Final straight | 0.46 mi | 20 ft | 0.4% |
| Checkpoint Charlie TT | 2.72 mi | 13 ft | 0.1% |
| Roundabout 2.5ish mile interval | 2.84 mi | 0 ft | 0.0% |
| Queens Way East | 1.56 mi | -7 ft | -0.1% |
| Llanwern > Magor | 1.60 mi | 85 ft | 0.9% |
| Sprint out of Magor (Lights>M4) | 1.14 mi | -72 ft | -0.5% |
| Final kick to main road | 0.17 mi | 52 ft | 5.9% |
| A48 dip | 0.54 mi | -52 ft | -1.9% |
| Cats Ash RD from speed signs | 0.30 mi | 89 ft | 5.5% |
| The little Kick | 0.55 mi | 105 ft | 3.1% |
| quick push | 0.43 mi | -20 ft | -0.6% |
| Bridge to Cricket Club sprint | 1.26 mi | 7 ft | 0.1% |
| P'tit Tumble | 2.81 mi | 1,063 ft | 7.1% |
| Up to the Grid | 1.57 mi | 722 ft | 8.7% |
| The tumble Climb | 2.52 mi | 1,138 ft | 8.5% |
| Elbow to Elbow | 0.21 mi | 121 ft | 10.9% |
| Spot-on tumble hairpin-cattle grid Velothon 15 | 0.88 mi | 482 ft | 10.3% |
| spot-on-coaching 200m up tumble | 1.18 mi | 600 ft | 9.6% |
| Top section of the Tumble | 1.43 mi | 535 ft | 7.1% |
| B4246 Climb | 0.58 mi | 292 ft | 9.5% |
| Tumble all the way down! | 6.44 mi | -1,145 ft | -3.3% |
| Closed Road Twisty | 1.18 mi | -495 ft | -7.9% |
| Blaenavon Blast | 0.61 mi | -207 ft | -6.4% |
| Zing | 4.49 mi | -400 ft | -1.7% |
| Hafod Decent | 0.71 mi | -262 ft | -7.0% |
| A412 to Gelligroes | 1.36 mi | -190 ft | -2.6% |
| Full Sprint to the Bridge | 0.39 mi | 85 ft | 4.0% |
| Cae Lan Spr | 0.51 mi | 26 ft | 0.9% |
| Storm the Castle | 0.46 mi | 85 ft | 3.5% |
| The last drag | 0.25 mi | 138 ft | 10.1% |
| Sprint to the corner | 0.05 mi | 36 ft | 12.4% |
| Zippy | 0.35 mi | -210 ft | -11.1% |
| Hit it hard | 0.24 mi | 56 ft | 4.3% |
| Llwyn Y Pia Road to last speed hump | 0.38 mi | -49 ft | -2.5% |
| Roundabout-->Mill Road | 0.76 mi | -52 ft | -0.4% |
| Train station sprint | 0.23 mi | 62 ft | 5.0% |
| Llanishen Station Road | 0.42 mi | -75 ft | -3.3% |
| Fidlas road Southbound | 0.49 mi | -59 ft | -2.2% |
| Lake Road West S | 0.89 mi | -30 ft | -0.5% |
| Cathays Cemetry Straight | 0.41 mi | 23 ft | 0.9% |
| Cathays Cemetery Hill | 0.13 mi | 16 ft | 2.6% |
| Cathays Terrace down | 0.27 mi | -23 ft | -1.5% |
