| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| NAW-Naseby West | 4.70 km | 351.6° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.68 km |
| ACB-Alconbury | 52.84 km | 91.8° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| STS-Stony Stratford | 54.49 km | 230.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| NOW-Northampton West | 20.79 km | 331.2° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB5-HB control point east | 24.74 km | 20.2° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HBX-HB Finish Ring | 7.26 km | 269.9° | Cylinder R=3.00 km |
| Total: | 160.13 km | ||