start on unclassified road between great gidding and luddington at a field gateway on left approx 50yds past ‘gas’ marking post on right (approx ½ mile from great gidding) proceed towards luddington where turn left continue and proceed to thurning (caution on rh bends) to join circuit (2.2m) where through thurning to join b662 at clopton (4.3m) where turn left onto b662 and proceed eastwards to turn left onto b660 at ‘howsons lodge’ (6.9miles) to continue to winwick (8.7miles) where turn left and proceed to thurning where turn left at ‘church’ (10.5miles)and continue to clopton (12.6miles) where turn left turn left onto b662 and proceed eastwards to onto b660 at ‘howsons lodge’ (15.2miles) to continue through winwick (17.0miles) and great gidding(18.7 miles) to turn left at crossroads to finish in second gateway approx 200yds after crossroads (20.9miles)