START(GR 612612) half way along lay-by (marked Police only) on the A1303, situated 650 yards south-west of the Stetchworth roundabout. Proceed on the A1303 towards Cambridge, continuing to Dunsley Corner (5.18m) (M&C) where left to follow lane to Six Mile Bottom (8.83m) (M&C) where left onto the A1304 towards Newmarket to Stetchworth roundabout (12.39m) (M&C) where left onto the A1303, to finish first circuit at the start point (12.76m). Proceed onto second circuit via A1303 to Dunsley Corner (17.94m), lane to Six Mile Bottom (21.59m) A1304 towards Newmarket to FINISH (GR 615611) Just before ‘White Direction Board’ which is 300 yards south of Stetchworth roundabout. (25.00m). NOTE:- No vehicles to be parked in layby at start, Timekeepers cars etc. to be behind layby on grass verge.
Two laps of a circuit on a mixture of single-carriageway A roads and unclassified roads.