| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Naseby West | 4.70 km | 351.6° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.22 km |
| Oundle | 40.20 km | 75.1° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Rushden | 20.54 km | 207.5° | 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 |
| HBX-HB Finish Ring | 7.26 km | 269.8° | Cylinder R=3.00 km |
| Total: | 91.59 km | ||