| Kemprow Climb | 0.35 mi | 23 ft | 0.9% |
| New road roundabout to Primrose lane | 0.53 mi | -30 ft | -0.5% |
| Aldenham Round Bush to Hillfield | 0.66 mi | -66 ft | -1.9% |
| Studio Hill | 0.19 mi | 39 ft | 3.8% |
| Rowley Lane - slightly steeper section | 0.19 mi | 36 ft | 3.6% |
| Birch Wood to Shenley | 1.03 mi | 52 ft | 0.3% |
| Silver Hill Drag | 0.52 mi | 56 ft | 1.9% |
| Goodbye 1 Woodhall Lane | 4.18 mi | -226 ft | -0.6% |
| Shenley to M25 | 1.07 mi | -187 ft | -3.3% |
| BLH Down | 0.28 mi | -95 ft | -6.2% |
| Shenleybury to M25 | 0.78 mi | -92 ft | -2.2% |
| M25 to Napsbury | 1.11 mi | 52 ft | 0.2% |
| M25 bridge to M10 bridge | 1.83 mi | 108 ft | 0.7% |
| Shenley Lane Leg Sapper | 0.52 mi | 36 ft | 1.2% |
| Col du Shenley Lane | 0.19 mi | 39 ft | 3.8% |
| Napsbury Lane past Golf Course | 0.48 mi | -23 ft | -0.6% |
| Mile House Lane climb | 0.19 mi | 10 ft | 1.0% |
| Upper Latimore Road | 0.19 mi | 36 ft | 3.6% |
| Sandridge Rd Climb | 0.32 mi | 16 ft | 0.9% |
| A1081 out of St A | 0.49 mi | -20 ft | -0.7% |
| Corner Shop Climb | 0.22 mi | 30 ft | 2.2% |
| Home Sprint | 2.16 mi | 75 ft | 0.3% |
| Woollam Climb | 0.70 mi | 52 ft | 1.4% |
| 8am 1st leg | 2.49 mi | 69 ft | 0.3% |
| Stud Sprint | 0.28 mi | 7 ft | 0.4% |
| Beesonend Lane to Crabells Road climb | 0.57 mi | 62 ft | 2.0% |
| Rothamsted Rattler | 0.50 mi | -62 ft | -2.3% |
| Harpenden high street long sprint | 0.93 mi | 26 ft | 0.4% |
| Luton road to slip end turn | 2.51 mi | 69 ft | 0.5% |
| FTP | 6.39 mi | 121 ft | 0.0% |
| Slip End to West Hyde Road | 0.99 mi | -33 ft | -0.6% |
| Escape to Hertfordshire | 1.62 mi | -52 ft | -0.6% |
| Luton Hoo to Harpenden (1st lights) | 1.32 mi | -39 ft | -0.6% |
| Luton road short sprint | 0.72 mi | -13 ft | -0.4% |
| Thrales End into Harpo | 0.73 mi | -16 ft | -0.5% |
| Climb between the roundabouts | 0.51 mi | 59 ft | 2.2% |
| Out of Harpenden | 0.26 mi | 43 ft | 3.0% |
| Redbourn Lane to Sandridgebury Lane | 2.53 mi | -69 ft | -0.3% |
| Ayres End Lane to Woollam rise | 0.74 mi | 66 ft | 1.6% |
| Blue House Uphill | 0.38 mi | 85 ft | 4.3% |
| Quick pint and down the hill | 0.61 mi | -85 ft | -2.6% |
| danger got to be quick | 0.07 mi | -3 ft | -0.9% |
| Park Street to Radlett | 2.96 mi | -79 ft | -0.2% |
| Park Street Ramp | 0.07 mi | 23 ft | 6.0% |
| Frog Sprint | 0.64 mi | -46 ft | -1.3% |
| Blast round the bend | 0.36 mi | 23 ft | 1.2% |
| Colney Street to Radlett | 1.59 mi | 56 ft | 0.1% |
| Up Watling St to Harper Lane turning | 0.32 mi | 39 ft | 1.5% |
| Cycle home from work hill London Colney | 0.41 mi | 56 ft | 2.5% |
| Park Road Hill | 0.30 mi | 85 ft | 5.3% |
