| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB start west | 4.92 km | 81.2° | Next, R=5.00 km, Angle=90.0° |
| Earith | 78.79 km | 95.9° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| Colsterworth | 66.43 km | 318.8° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| HB Finish Ring | 49.82 km | 216.0° | Cylinder R=3.00 km |
| Total: | 195.04 km | ||