| Croxley Climb | 0.23 mi | 36 ft | 3.0% |
| Up Watford Road | 1.15 mi | 62 ft | 1.0% |
| Scotts Hill Descent | 0.43 mi | -82 ft | -3.6% |
| Roundabout to Renault Sprint | 0.30 mi | 13 ft | 0.3% |
| denham way sprint | 0.36 mi | -7 ft | -0.4% |
| Denham Drag | 1.58 mi | 79 ft | 0.8% |
| Denham Nurseries | 0.71 mi | -23 ft | -0.5% |
| A40-Canal | 0.70 mi | 20 ft | 0.3% |
| Oxford Road Sprint, Denham | 0.50 mi | 26 ft | 0.8% |
| Roundabout to roundabout. | 0.54 mi | -10 ft | -0.4% |
| Uxbridge to Bangor Rd Climb | 1.60 mi | 79 ft | 0.5% |
| Chandlers Hill | 0.68 mi | 82 ft | 2.3% |
| Uxbridge to Iver Heath over M25 | 0.82 mi | 89 ft | 1.5% |
| Slough road over the M25 | 0.38 mi | 89 ft | 4.3% |
| Slough Road Sprint | 0.52 mi | 26 ft | 1.0% |
| 5 Points to Trenches | 2.03 mi | -108 ft | -1.0% |
| Wood Lane final run in | 0.59 mi | -72 ft | -2.3% |
| To Langley station! | 1.29 mi | -23 ft | -0.3% |
| Harrow Roundabout to Talbot | 0.24 mi | -0 ft | 0.0% |
| Up to Spencer Road | 1.20 mi | -20 ft | -0.1% |
| Yew Tree Road Sprint | 0.38 mi | -13 ft | -0.7% |
| Eton High Street v2 | 0.32 mi | -3 ft | -0.1% |
| Eton High Street Bunch Sprint v4 | 0.09 mi | -0 ft | 0.0% |
| Eton exit | 0.52 mi | 10 ft | 0.1% |
| Eton to Eton Wick | 1.28 mi | 13 ft | 0.0% |
| Sign to sign, Eton to Eton Wick | 0.57 mi | -7 ft | -0.2% |
| Eton Wick to the Bath Road | 3.62 mi | 39 ft | 0.1% |
| Grid to Grid (Eton Wick to Dorney) | 0.70 mi | 0 ft | 0.0% |
| Jubilee to the top of the m4 bridge | 0.55 mi | 33 ft | 1.2% |
| Lake End Road Bridge Dash | 0.21 mi | 20 ft | 1.7% |
| Grove Road (Short Climb) | 0.25 mi | 26 ft | 1.9% |
| Hawthorn Ln E (Grove Rd to Bedford Dr) | 0.96 mi | 82 ft | 1.4% |
| Burnham Beeches | 0.45 mi | 66 ft | 2.8% |
| Under m40-hedgerley lane lights | 1.15 mi | 141 ft | 0.3% |
| M40 Bump Up | 0.39 mi | 118 ft | 5.6% |
| Into GX TT (no light jumping) | 0.58 mi | 20 ft | 0.6% |
| May The Force Be With You | 0.60 mi | 23 ft | 0.0% |
| Packhorse Dash | 0.61 mi | 7 ft | 0.2% |
| Chalfont St Peter - Joiners Ln hill | 0.39 mi | 121 ft | 5.7% |
| Joiners Lane Hill steep sub-segment | 0.20 mi | 95 ft | 8.8% |
| East along West Hyde Lane | 0.80 mi | -69 ft | -0.9% |
| Copper Mill Lane Reverse | 0.59 mi | -20 ft | -0.4% |
| Mt Pleasant - Copper Mill -> Park Lane -> Harefield | 1.47 mi | 164 ft | 1.9% |
| Harefield Hill King Of The Mountain | 0.41 mi | 95 ft | 4.3% |
| Mt Pleasant Climb | 0.21 mi | 62 ft | 5.4% |
| Park Lane Climb | 0.73 mi | 148 ft | 3.9% |
| Harefield-Rickmansworth | 1.99 mi | -174 ft | -1.3% |
| 12% Rose & Crown | 0.32 mi | 85 ft | 4.1% |
| Rose & Crown to Ricky Descent | 1.03 mi | -157 ft | -2.7% |
| Moor Lane to Moor Park dash | 0.81 mi | 20 ft | 0.3% |
