| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Melksham South | 4.76 km | 146.8° | Next, R=5.00 km, Angle=90.0° |
| Yattendon | 65.83 km | 79.5° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Swindon East | 39.05 km | 290.0° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Abingdon Bridge | 33.03 km | 72.0° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Keevil Finish East | 68.88 km | 235.9° | Line 0.50 km, Angle=238.5° |
| Total: | 206.78 km | ||