| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Gransden Lodge | 0.00 km | 0.0° | Next, R=5.00 km, Angle=90.0° |
| Sackville | 26.97 km | 289.0° | Symmetric, Rmin=2.00 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=2.00 km |
| Oakington | 34.68 km | 91.1° | Symmetric, Rmin=2.00 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=2.00 km |
| Gransden Lodge | 12.11 km | 229.2° | Cylinder R=3.00 km |
| Total: | 73.76 km | ||