start on b1183 at mark on the water main cover in the field entrance, almost opposite the large metal gates into white house farm. proceed south towards (frithville 0.71 miles) and continue to the junction with the b1184 taking the left fork to sibsey (2.78 miles). at the junction with the a16 turn left (signed grimsby) (3.1 miles) and continue through stickney (6.4 miles) and stickford (8.8 miles) through keal cotes (9.9 miles) to the left junction with the a155 (11.6 miles) and turn left onto a155 passing through west keal (11.7 miles), east kirkby (13.6 miles) to revesby (16.1 miles) where turn left onto the b1183 towards boston, continuing through new bolingbroke (18.2 miles), carrington (19.5 miles) and passing through the start yellow marker stone (22.8 miles), continue through frithville (23 miles) and remain on the b1183 towards boston (do not turn towards sibsey as on first circuit), to finish at mark on the road, halfway between telegraph poles 6 and 7, just north of cowbridge business park.