start on a18 at north end of lay-by approximately 1/2 mile north of hatfield green tree public house at point marked ‘25’. proceed to tudworth ti (0.4) - take 2nd exit on a18 to crowle ti (6.6) - encircle island (give way to traffic from left) and retrace to tudworth ti (13.0) - left on a18 to green tree public house (13.9) - left on a614 to blaxton ti (20.1) encircle island and retrace northwards on a614 towards hatfield woodhouse to finish just past 1st lamp post approximately 100 yards after hatfield woodhouse (25.0).