| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| EFN-East Farndon | 6.80 km | 250.7° | Line 10.00 km (Radius 5.00 km) |
| GRW-Grafham Water | 48.58 km | 112.5° | Cylinder R=0.50 km |
| UPW-Upwood Hangar | 18.45 km | 30.7° | Cylinder R=0.50 km |
| NOS-Northampton South | 57.76 km | 242.0° | Cylinder R=0.50 km |
| HB5-HB control point east | 28.11 km | 0.7° | Cylinder R=0.50 km |
| HBX-HB Finish Ring | 7.23 km | 269.8° | Cylinder R=3.00 km |
| Total: | 160.13 km | ||