| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Naseby North | 5.70 km | 312.7° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.71 km |
| Saxby Church | 43.04 km | 17.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Rushden | 51.44 km | 165.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Swalcliffe | 66.52 km | 241.8° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Olney | 52.97 km | 76.2° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Lutterworth | 47.27 km | 315.1° | 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: | 268.57 km | ||