| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB start west | 4.92 km | 81.2° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.68 km |
| Bottesford | 55.75 km | 20.2° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Earith | 86.73 km | 138.8° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Northampton West | 73.21 km | 259.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| 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 | 10.26 km | 269.9° | Cylinder R=3.00 km |
| Total: | 250.69 km | ||