| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Naseby North | 5.70 km | 312.7° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.43 km |
| Oakham E | 34.45 km | 31.5° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| Grafham Water | 51.07 km | 145.2° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| Stony Stratford | 47.01 km | 238.3° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| HB control point east | 41.44 km | 358.1° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| HB Finish Ring | 7.26 km | 269.8° | Cylinder R=3.00 km |
| Total: | 181.24 km | ||