| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB start east | 6.20 km | 281.4° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.50 km |
| Newark | 74.96 km | 8.5° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Thrapston | 80.14 km | 167.1° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Soham | 59.52 km | 97.8° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Finmere | 103.16 km | 249.9° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB control point east | 51.55 km | 13.7° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HBX-HB Finish Ring | 10.26 km | 269.9° | Cylinder R=3.00 km |
| Total: | 379.58 km | ||