Start at junction of Stone Pit Lane at top of second hill from Gunby roundabout on A1028. Proceed along A1028 past Ulceby village to Ulceby Cross roundabout (3.6 miles) take second exit to Louth A16. Proceed through Swaby and Burwell to Louth roundabout (12.8 miles). Turn and retrace back to the finish 0.7miles short of starting point.