| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Walton | 7.28 km | 128.6° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.56 km |
| Olney | 46.67 km | 141.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Rushden | 20.64 km | 19.8° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB control point east | 23.59 km | 302.7° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB Finish Ring | 7.26 km | 269.8° | Cylinder R=3.00 km |
| Total: | 98.16 km | ||