| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB start east | 6.20 km | 281.4° | Next, R=5.00 km, Angle=90.0° |
| Manton | 28.67 km | 35.7° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Alconbury | 41.88 km | 133.0° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HBX-HB Finish Ring | 50.88 km | 277.4° | Cylinder R=3.00 km |
| Total: | 121.42 km | ||