| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Lasham Start North | 2.42 km | 164.0° | Next, R=6.00 km, Angle=90.0°, Max.alt. is 1.13 km |
| Oxford East | 62.44 km | 350.7° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Grafham Water | 85.69 km | 46.5° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Silverstone | 54.96 km | 244.2° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Lasham Start West | 99.03 km | 184.0° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Lasham Finish West | 4.51 km | 85.4° | Line 3.50 km (Radius 1.75 km) |
| Total: | 306.63 km | ||