| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Aston Down | 1.08 km | 28.8° | 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 |
| Birdlip | 40.07 km | 13.4° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Castle Combe | 40.07 km | 193.5° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Birdlip | 40.07 km | 13.4° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Aston Down Finish N | 14.53 km | 188.0° | Line 10.00 km (Radius 5.00 km) |
| Total: | 159.35 km | ||