| Point de virage | Distance | Direction | Zone d'observation |
|---|---|---|---|
| HB1-HB start west | 4,90 km | 81,2° | Ligne 10,00 km |
| CHN-Chipping Norton | 60,26 km | 207,9° | Cylindre R=0,50 km |
| BLY-Bletchley | 56,15 km | 84,1° | Cylindre R=0,50 km |
| NOS-Northampton South | 24,19 km | 328,3° | Cylindre R=0,50 km |
| HB5-HB control point east | 28,11 km | 0,7° | Cylindre R=0,50 km |
| HBX-HB Finish Ring | 7,23 km | 269,8° | Cylindre R=3,00 km |
| Total : | 175,94 km | ||