| Côte de Merthyr Road | 0.83 km | 38 m | 4.4% |
| Annwfn | 1.37 km | 27 m | 2.0% |
| 6km tumble Offical climb | 6.26 km | 411 m | 6.5% |
| P'tit Tumble | 4.53 km | 324 m | 7.1% |
| Up to the Grid | 2.53 km | 220 m | 8.7% |
| keepers to fiddlers elbow | 1.04 km | 75 m | 7.1% |
| fiddlers elbow - 1st Section | 0.64 km | 23 m | 3.7% |
| Velothon Wales, Tumble KOM/QOM | 4.31 km | 351 m | 8.1% |
| The Tumble* | 4.91 km | 425 m | 8.7% |
| Tumble - end of Steep section (first 3km) | 3.17 km | 263 m | 8.3% |
| The tumble Climb | 4.06 km | 347 m | 8.5% |
| Elbow to Elbow | 0.34 km | 37 m | 10.9% |
| Spot-on tumble hairpin-cattle grid Velothon 15 | 1.42 km | 147 m | 10.3% |
| spot-on-coaching 200m up tumble | 1.90 km | 183 m | 9.6% |
| Top section of the Tumble | 2.30 km | 163 m | 7.1% |
| B4246 Climb | 0.93 km | 89 m | 9.5% |
| *Fox Turn Off2Riflemans | 1.09 km | -85 m | -7.8% |
| Blean-Afon Rd towards Brynmawr | 4.80 km | 60 m | 1.2% |
| Estate Road to Brynmawr | 5.60 km | -86 m | -0.4% |
| B4248 descent to Brynmawr | 2.21 km | -89 m | -3.9% |
| Blaen -Afon Rd Sprint | 1.17 km | -69 m | -5.9% |
| By George! | 0.55 km | 20 m | 3.5% |
| Beaufort Rise from Brynmawr | 2.11 km | 46 m | 1.2% |
| ballroom to garnlydan | 0.96 km | 26 m | 2.5% |
| Llangynidr Road North | 3.77 km | 137 m | 3.6% |
| Llangynidr Road | 3.43 km | 128 m | 3.7% |
| Llangynidr downhill | 5.71 km | -360 m | -6.3% |
| Emergency Descent | 0.63 km | -35 m | -5.4% |
| Llangynidr Mnt Descent | 4.09 km | -312 m | -7.6% |
| Llangynidr Down | 4.08 km | -315 m | -7.7% |
| cattle grid to mill rd | 1.59 km | -142 m | -8.9% |
| grid to mill | 1.61 km | -143 m | -8.9% |
| Junction to Junction Sprint | 0.37 km | 3 m | 0.7% |
| Canal bend | 0.38 km | -11 m | -1.0% |
| Llangynidr to A40 | 11.51 km | 37 m | 0.0% |
| Ashford Tunnel climb - East | 0.69 km | 25 m | 3.7% |
| Talybont. back road to canal lock. | 6.64 km | 32 m | 0.1% |
| Out of the Usk | 0.36 km | 12 m | 3.1% |
| B4558 Talybont to A40 | 5.90 km | 33 m | 0.1% |
| Up and Over | 0.59 km | 5 m | 0.6% |
| Cefn Gethiniog to the Lock | 5.32 km | -30 m | -0.1% |
| A470 out of Brecon | 4.26 km | 87 m | 2.0% |
| Get to Bronllys | 11.98 km | -97 m | -0.1% |
| Up A470 from Brecon | 1.39 km | 18 m | 1.1% |
| Down to Felin Fach | 2.03 km | -68 m | -3.4% |
| Dai Pantani's Pontybat Blast | 2.13 km | -12 m | -0.2% |
| Up The Valley | 0.61 km | 40 m | 6.6% |
| Farmers Arms to A40 | 4.40 km | -53 m | -1.2% |
| Crickhowell to Glangrwyney | 2.99 km | -29 m | -0.8% |
| glangrwyney to aber | 4.52 km | -31 m | -0.1% |
