| Courtlands Drive and Ashfields | 0.36 mi | 7 ft | 0.1% |
| Warner Brothers to South way | 0.77 mi | -33 ft | -0.4% |
| Langley Lane climb | 0.23 mi | 52 ft | 4.3% |
| Tibbs hill climb,roundabout-roundabout | 0.45 mi | 66 ft | 2.7% |
| Bedmond Hill | 0.34 mi | 62 ft | 3.5% |
| Bedmond & Potters Lanes | 2.73 mi | -121 ft | -0.4% |
| Blue House Hill descent | 0.66 mi | -105 ft | -2.6% |
| RCC 9.2m TT Section 2 | 1.04 mi | 66 ft | 1.2% |
| Batchwood North Short | 0.56 mi | 39 ft | 1.4% |
| Short Batchworth Drive | 0.60 mi | 20 ft | 0.5% |
| Corner Shop Climb | 0.22 mi | 30 ft | 2.2% |
| sandridge sprint | 0.29 mi | -39 ft | -2.6% |
| Colemans Race to Drovers | 0.54 mi | 16 ft | 0.6% |
| Marford Road Short Hill | 0.33 mi | 66 ft | 3.7% |
| Wheato to Kimpton | 2.36 mi | 135 ft | 0.6% |
| Lower Gustard Wood | 0.36 mi | 75 ft | 3.9% |
| Off-camber Corkscrew | 0.16 mi | -59 ft | -6.9% |
| Kimpton Escape | 0.34 mi | 33 ft | 1.7% |
| Horsley Downhill proper segment ending | 0.52 mi | -125 ft | -4.5% |
| West Hyde Road complete | 1.27 mi | 151 ft | 1.4% |
| The fish took the hook | 0.29 mi | 108 ft | 7.1% |
| Little Kinsbourn climb | 0.41 mi | 56 ft | 2.5% |
| Luton lane Southern Climb | 0.44 mi | 62 ft | 2.3% |
| Blackhorstar | 0.35 mi | -43 ft | -2.2% |
| Redbourn Common to Gaddesden Lane | 0.77 mi | 23 ft | 0.1% |
| M1 to corner farm | 2.21 mi | 164 ft | 1.3% |
| Gaddesden Lower | 0.64 mi | 49 ft | 1.5% |
| Richie M1 | 4.00 mi | 213 ft | 1.0% |
| Passed the Holtsmere turn | 0.83 mi | 72 ft | 1.6% |
| Holtsmere End Lane to Gaddesden Row (Gaddesden Lane) | 1.34 mi | 98 ft | 1.4% |
| Gaddesden Ln Hill Sprint | 0.13 mi | 23 ft | 3.4% |
| Mount Gaddesden | 0.57 mi | 82 ft | 2.7% |
| Gaddesden Row Kilo - leg 1 | 0.72 mi | 30 ft | 0.8% |
| Gaddensden Row Down to Water End Run | 1.75 mi | -226 ft | -2.0% |
| Lion Launch | 0.18 mi | 39 ft | 4.0% |
| Potten on the Ritz | 0.48 mi | 167 ft | 6.5% |
| Holly Willows | 0.89 mi | 194 ft | 3.8% |
| St John's Road riser ☠ carricom | 0.19 mi | 20 ft | 1.3% |
| More Power! | 0.23 mi | 36 ft | 2.6% |
| Lawn Lane Sprint home | 0.81 mi | -46 ft | -0.3% |
| Belswains to Bunkers | 0.93 mi | -33 ft | -0.4% |
| Belswains dip | 0.20 mi | -16 ft | -0.8% |
| The Dash | 1.77 mi | 20 ft | 0.0% |
| Speed camera flash | 0.26 mi | -16 ft | -0.6% |
| Railway Terrace to Tom's Lane | 0.65 mi | -7 ft | 0.0% |
| Bridge to Unicorn Sprint | 0.13 mi | 33 ft | 4.4% |
| Abbots Ziggy Zaggy | 0.30 mi | -16 ft | -1.1% |
| hempstead road drag | 0.50 mi | 30 ft | 1.1% |
| Glen Way to Lights | 0.50 mi | 10 ft | 0.2% |
| Langley Rd to Stratford Rd | 0.45 mi | -20 ft | -0.6% |
