| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| NAW-Naseby West | 4.65 km | 29.0° | Next, R=5.00 km, Angle=90.0° |
| OLN-Olney | 35.51 km | 140.5° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| TOW-Towcester | 20.28 km | 266.9° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| HB3-HB start east | 32.17 km | 5.5° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| HBX-HB Finish Ring | 3.20 km | 281.3° | Cylinder R=3.00 km |
| Total: | 91.15 km | ||