| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Naseby North | 5.70 km | 312.7° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.98 km |
| Enstone | 61.09 km | 210.4° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| Bletchley | 50.13 km | 80.6° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| Brackley South | 30.33 km | 274.4° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| HB control point east | 49.71 km | 20.8° | 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: | 198.52 km | ||