| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| East Farndon | 6.82 km | 250.7° | Next, R=5.00 km, Angle=90.0° |
| Northampton South | 30.55 km | 173.4° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Bicester East | 36.95 km | 201.7° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| Olney | 40.58 km | 41.4° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB control point east | 34.63 km | 338.2° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB Finish Ring | 7.26 km | 269.8° | Cylinder R=3.00 km |
| Total: | 149.97 km | ||