| Mead Lane straight | 0.85 km | -2 m | -0.1% |
| Port Hill | 0.28 km | 25 m | 8.7% |
| Welwyn Hill Climb | 0.39 km | 21 m | 5.3% |
| Hert N to Thieves lane | 0.75 km | 28 m | 3.8% |
| Welwyn to thieves climb | 0.43 km | 27 m | 6.2% |
| Hertingfordbury village drag up | 0.86 km | 21 m | 2.4% |
| Hertingfordbury Rd Hill | 0.59 km | 18 m | 3.1% |
| Triangle to Old Coach Rd | 0.52 km | 12 m | 2.2% |
| Letty Green Towards Essendon | 1.88 km | -29 m | -1.3% |
| Letty Green Sprint | 0.65 km | -12 m | -0.1% |
| Letty Green Downhill Sprint | 0.82 km | -27 m | -3.0% |
| Richard O'Sullivan's stockings | 0.67 km | 38 m | 5.6% |
| Robins Nest Hill | 1.56 km | 61 m | 3.9% |
| Brickendon TT RNH to Little Berko | 1.83 km | 67 m | 3.7% |
| Robins Nest Hill | 1.17 km | 56 m | 4.7% |
| Culverwood House (climb) | 1.79 km | 66 m | 3.7% |
| Bricky ballbuster | 1.47 km | 56 m | 3.8% |
| Little Berkhamstead Lane | 1.50 km | -30 m | -0.4% |
| Berkhamstead Hill west climb | 0.96 km | 24 m | 2.4% |
| Reverse Cucumber | 1.69 km | 26 m | 1.4% |
| Reverse Cumcumber | 1.69 km | 26 m | 1.4% |
| Cucumber Lane | 1.65 km | 25 m | 1.5% |
| OLD VERSION - Tylers Causeway (sprint) | 0.88 km | -4 m | -0.4% |
| Tylers Causeway | 1.51 km | -23 m | -1.5% |
| A little bit of Strada Bianca | 1.02 km | -4 m | -0.4% |
| White Stubbs Lane (sprint) | 1.49 km | -17 m | -0.9% |
| Pembridge Lane Sprint | 1.88 km | -22 m | -1.1% |
| pembridge lane cruise | 1.85 km | -23 m | -1.2% |
| downer upper | 0.41 km | 5 m | 1.1% |
| Cock to Park Lane | 2.56 km | -20 m | -0.4% |
| Tiger Test (sub 7s to outrun escaped big cat) | 0.08 km | 0 m | 0.0% |
| Zip down Cock Lane | 0.80 km | -24 m | -2.9% |
| Lord it up! | 2.96 km | 47 m | 1.6% |
| Hoddesdon to Balls Park | 6.11 km | 33 m | 0.1% |
| Mangrove Lane Climb | 0.47 km | -4 m | -0.3% |
| Lord to Elbow | 0.24 km | 12 m | 4.8% |
| Snow - Cricket | 3.67 km | -28 m | -0.6% |
| mangrove road | 0.63 km | -10 m | -1.6% |
| Mangrove zigzag to Freedom (farm) | 1.53 km | -21 m | -0.8% |
| Cow Shit Run | 0.94 km | -21 m | -2.1% |
| Hoe Down | 0.48 km | -31 m | -6.4% |
| New Road, Ware | 0.67 km | 27 m | 4.0% |
| Steep shock to homefield | 0.38 km | 23 m | 6.1% |
