| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB start north | 5.17 km | 183.0° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.37 km |
| Waterbeach N | 85.10 km | 103.8° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Oundle | 48.57 km | 296.1° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Hus Bos East Finish Line | 39.35 km | 262.4° | Line 1.00 km (Radius 0.50 km) |
| Total: | 173.02 km | ||