| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB2-HB Start north | 5.39 km | 189.0° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.92 km |
| GRA-Grantham | 51.96 km | 28.1° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| LIT-Littleport | 82.24 km | 125.4° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| BNW-Bicester North West | 119.15 km | 241.8° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| OUN-Oundle | 78.77 km | 40.0° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HBX-HB Finish Ring | 36.94 km | 262.3° | Cylinder R=3.00 km |
| Total: | 369.06 km | ||