| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB Start north | 5.39 km | 189.0° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.52 km |
| Northampton West | 28.52 km | 178.3° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Deddington | 34.69 km | 217.4° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Finmere | 17.44 km | 87.5° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Newport Pagnall | 24.43 km | 64.3° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Lutterworth | 50.78 km | 323.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB Finish Ring | 7.32 km | 97.1° | Cylinder R=3.00 km |
| Total: | 163.18 km | ||