| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB Start west | 4.92 km | 81.2° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.43 km |
| Grantham | 60.05 km | 30.1° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| March | 64.36 km | 126.0° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Olney | 70.97 km | 230.9° | 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: | 237.27 km | ||