| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Naseby West | 4.70 km | 351.6° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.37 km |
| Alconbury | 52.84 km | 91.8° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Saxby Church | 56.68 km | 320.8° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Northampton South | 65.66 km | 186.5° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB control point east | 28.13 km | 0.7° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB Finish Ring | 10.26 km | 269.9° | Cylinder R=3.00 km |
| Total: | 213.58 km | ||