| Mill Road Sprint | 0.42 km | -2 m | -0.2% |
| Greenfield to Westoning | 2.04 km | 15 m | 0.4% |
| Sundon Road prelude | 0.60 km | 22 m | 3.6% |
| Sundeberg | 0.77 km | 72 m | 9.3% |
| Harlington Road Mile | 1.53 km | 75 m | 4.7% |
| Sundon Hill Ramp | 1.49 km | 74 m | 4.8% |
| Sundon Hill | 1.04 km | 76 m | 7.3% |
| Sundon Road SW | 2.50 km | -11 m | -0.3% |
| Entering Houghton Regis | 1.31 km | -9 m | -0.2% |
| Houghton Road | 0.83 km | 10 m | 0.7% |
| Aldbanks Climb | 0.93 km | 101 m | 10.8% |
| Tring road thrash. | 2.78 km | -37 m | -1.3% |
| Tring road sprint | 1.15 km | -36 m | -3.1% |
| Dunstable to Ashridge Monument Rd | 9.74 km | 88 m | 0.4% |
| B489 O to Dagnall O past Whipsnade Lion | 2.96 km | 38 m | 0.3% |
| Passed the Lion's Feet | 2.20 km | -14 m | -0.1% |
| Dagnall climb long | 2.36 km | 74 m | 3.1% |
| Dagnall roundabout to Ashridge Golf Club sign | 3.23 km | 79 m | 2.3% |
| Dagnall Hill | 1.81 km | 69 m | 3.8% |
| ashridge line | 2.33 km | -23 m | -0.7% |
| Thunderdell Dash | 2.28 km | -22 m | -0.8% |
| Jasons Hill | 1.05 km | -12 m | -0.5% |
| Horse Hill Decent | 2.11 km | -58 m | -2.7% |
| Chess Hill | 0.56 km | 47 m | 8.3% |
| Bottom half of Stony Lane climb (to trail on the right) | 0.20 km | 29 m | 14.1% |
| Stony Lane | 0.45 km | 46 m | 10.0% |
| Stony Hill Latimer | 0.28 km | 36 m | 12.7% |
| OLD VERSION - Lodge Lane Sprint | 0.85 km | -8 m | -0.9% |
| Short hill past Shortenill"s | 0.40 km | 9 m | 2.1% |
| Nightingale descent | 0.96 km | -41 m | -4.2% |
