| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB start north | 5.17 km | 183.7° | Next, R=5.00 km, Angle=90.0° |
| Manton | 27.60 km | 52.6° | Symmetric, Rmin=5.00 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=5.00 km |
| Thrapston | 29.92 km | 155.7° | Symmetric, Rmin=5.00 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=5.00 km |
| HB East | 35.11 km | 279.1° | Line 1.00 km (Radius 0.50 km) |
| Total: | 92.63 km | ||