| Col de Colindale | 0.70 km | 5 m | 0.1% |
| Yaohan Plaza Sprint | 0.43 km | -5 m | -1.0% |
| Stag Lane sprint | 0.39 km | 9 m | 2.0% |
| Burnt Oak Drag Race | 1.42 km | -8 m | -0.3% |
| StoneGrove | 1.50 km | 22 m | 1.5% |
| A410 | 5.64 km | -40 m | -0.4% |
| A410 Clamp - Brookhill | 0.55 km | 6 m | 0.9% |
| Brooks Hill to Banisters Downhill | 1.02 km | -24 m | -2.4% |
| Hatch End at Rocket Speed | 1.23 km | -7 m | -0.4% |
| Hatch End Rail bridge | 0.42 km | -1 m | -0.1% |
| Uxbridge Rd - Hatch End to Pinne | 2.00 km | -13 m | -0.4% |
| Pinner Green Short | 0.22 km | 2 m | 0.8% |
| Pinner Road (Reversed) | 0.99 km | 8 m | 0.7% |
| Little Bump (Reversed) | 0.36 km | 7 m | 1.2% |
| Gas and Golf | 1.05 km | -11 m | -0.4% |
| A404 Out of Northwood | 1.85 km | 47 m | 2.5% |
| The Avenue to MV 2ND entrance | 0.86 km | 34 m | 3.9% |
| Batchworth Hill Down | 0.72 km | -49 m | -6.7% |
| M25 to Chenies Turn | 2.62 km | 9 m | 0.4% |
| Down from Chenies | 0.49 km | -22 m | -4.5% |
| Over the Bridge! | 0.27 km | -7 m | -0.9% |
| Col de Ley Hill | 0.43 km | 25 m | 5.6% |
| Jasons Hill Back Again | 1.02 km | -16 m | -0.0% |
| Orchard Leigh to Ashley Green | 1.86 km | 21 m | 0.1% |
| The Tunnel | 0.37 km | 21 m | 5.5% |
| OLD VERSION - Northchurch Hill | 1.64 km | 65 m | 4.0% |
| Thunderdell Wood to Ringshall | 2.66 km | 19 m | 0.5% |
| The Beacon, up 'n' over | 3.84 km | -64 m | -0.5% |
| Ivinghoe Beacon downhill blast | 1.60 km | -74 m | -4.6% |
| Hemel T.T. South | 7.58 km | -34 m | -0.3% |
| Dagnal to Pedley Hill | 3.77 km | -19 m | -0.5% |
| Hemel 10, Final 2 minute effort! | 1.65 km | -9 m | -0.5% |
| Pedley to Dodds Lane along Dagnall | 5.15 km | -26 m | -0.5% |
| GG Village Hall to Link Road | 3.82 km | -18 m | -0.4% |
| Nettle Buzzard and Piccotts | 1.53 km | -8 m | -0.4% |
| Boring way | 1.23 km | -6 m | -0.5% |
| Gadebridge Park Strafing Run | 0.89 km | -8 m | -0.6% |
| Steeplechase ! | 0.10 km | -2 m | -1.4% |
| Two Waters sprint. (standing start) | 0.25 km | -1 m | -0.4% |
| Halfords to Red Lion Pub | 1.96 km | -4 m | -0.2% |
| Sainsburys to Red Lion Pub run | 1.10 km | -21 m | -0.2% |
| Hempstead Road Dragstrip | 3.12 km | 15 m | 0.3% |
| hempstead road drag | 0.81 km | 9 m | 1.1% |
| Glen Way to Lights | 0.81 km | 3 m | 0.2% |
| Merry Hill My Butt..... | 4.06 km | 100 m | 2.5% |
| Chalk Hill to Mid-Sparrows Herne | 2.08 km | 54 m | 2.5% |
| Grange road to Merry Hill | 0.45 km | 14 m | 3.1% |
| Melbourne road to Merry hill | 0.82 km | 42 m | 5.1% |
| The Common from A409 to Wood Lane | 1.37 km | -20 m | -1.4% |
| Down into Stanmore | 1.80 km | -63 m | -3.5% |
