| B197 to OPS | 0.70 mi | 30 ft | 0.7% |
| Oaklands School to A1M | 0.78 mi | -26 ft | -0.7% |
| Roman Baths | 0.64 mi | -52 ft | -1.3% |
| Hertford Road/ A1000 Sprint | 0.31 mi | -20 ft | -1.2% |
| B1000 valley floor to river | 1.62 mi | -49 ft | -0.2% |
| B1000 Hill to Triangle | 0.34 mi | 59 ft | 3.1% |
| Triangle to Thieves Lane (B1000) | 1.33 mi | -39 ft | -0.4% |
| Steaming into Hertford | 0.30 mi | -7 ft | -0.3% |
| Welwyn Hill Brake Test | 0.22 mi | -56 ft | -4.6% |
| Port Hill | 0.17 mi | 82 ft | 8.7% |
| Begeo to Wadesmill | 3.36 mi | -69 ft | -0.3% |
| Anchor Lane East | 1.42 mi | -30 ft | -0.0% |
| High Cross climb | 0.63 mi | 118 ft | 3.5% |
| Youngsbury Lane Climb(k) | 0.34 mi | 82 ft | 4.3% |
| St John's to St Mary's | 1.22 mi | 75 ft | 1.1% |
| Pest House Blues | 0.53 mi | 30 ft | 0.5% |
| High Cross to St Edmunds | 2.11 mi | -75 ft | -0.0% |
| colliers end | 1.01 mi | 75 ft | 1.1% |
| Collier's End to Standon | 1.70 mi | -79 ft | -0.1% |
| Puckeridge to Hare Street | 3.60 mi | 118 ft | 0.4% |
| Out of Hare Street | 0.37 mi | 69 ft | 3.5% |
| Hare St towards Buntingford climb | 0.66 mi | 85 ft | 2.3% |
| down and up | 0.65 mi | -52 ft | -0.7% |
| A10 Climb | 0.77 mi | 95 ft | 2.3% |
| Buntingford to Cottered | 2.25 mi | 102 ft | 0.7% |
| Countryside dips | 1.00 mi | -125 ft | -0.5% |
| A507 NE bound | 3.71 mi | -233 ft | -0.9% |
| Clothall Long Tuck | 1.68 mi | -217 ft | -2.4% |
| All Downhill | 1.43 mi | -138 ft | -1.8% |
| Clothall Tuck | 0.76 mi | -59 ft | -1.4% |
| Baldock lights to Lctr rbt | 1.27 mi | 108 ft | 1.6% |
| Drag up from Baldock to Letchworth | 2.90 mi | 108 ft | 0.7% |
| Baldock to Letchworth | 1.29 mi | 89 ft | 1.1% |
| Baldock to Walsworth | 3.53 mi | -138 ft | -0.2% |
| Lights to the Broadway | 0.59 mi | 30 ft | 0.8% |
| Rose Hill Descent | 0.58 mi | -89 ft | -2.9% |
| Cambridge Road Bomb | 0.31 mi | -26 ft | -1.6% |
| The last dash.....Walsworth lights to the RAB after the Bridge. | 0.39 mi | 23 ft | 1.1% |
| Station turn to Whinbush Road | 0.44 mi | -16 ft | -0.0% |
| Hitchin Hill TO St Johns | 0.27 mi | 52 ft | 3.4% |
| London Rd Sprint | 1.06 mi | -39 ft | -0.4% |
| London Road 10 Mile TT Second Half | 4.82 mi | 161 ft | 0.5% |
| St. Ibbs to Langley | 3.02 mi | 141 ft | 0.9% |
| Little Almshoe to Hitchin Lane | 3.75 mi | 180 ft | 0.8% |
| Langley to Drivers End Lane | 1.77 mi | 52 ft | 0.1% |
| Langley hill sprint | 0.80 mi | -46 ft | -0.1% |
| London Road climb to the big Oak tree | 0.27 mi | 49 ft | 3.4% |
| London Road - South Short AIT | 0.41 mi | 30 ft | 0.2% |
| 1 mile to The Goat | 0.96 mi | -52 ft | -1.0% |
| Half mile sprint to the Bell | 0.51 mi | -26 ft | -0.9% |
