| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB3-Hb start east | 5.74 km | 284.0° | Next, R=5.00 km, Angle=90.0° |
| GRW-Grafham Water | 47.85 km | 108.4° | Symmetric, Rmin=10.00 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=10.00 km |
| FIM-Finmere | 63.22 km | 238.3° | Symmetric, Rmin=10.00 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=10.00 km |
| THP-Thrapston | 58.30 km | 39.6° | Symmetric, Rmin=10.00 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=10.00 km |
| HB4-Hb East | 35.11 km | 279.1° | Line 1.00 km (Radius 0.50 km) |
| Total: | 204.49 km | ||