| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Aston Down | 0.77 km | 214.9° | Next, R=5.00 km, Angle=90.0° |
| Castle Combe | 24.60 km | 196.0° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Aston Down Finish S | 23.87 km | 15.4° | Line 10.00 km (Radius 5.00 km) |
| Total: | 48.48 km | ||