This event is being run on the U603B course.U603B Course description Start: is 10 meters east of the centre of the junction of A420 and unclassified road (George lane), heading Eastbound, gr ref. st774739. For senior, junior, para and female events, proceed east on A420 through the Shoe and Ford to junction of a420 with b4039 where left (j1 & h1). Continue north west on b4039 through Yatton Keynell, Castle Combe (h2), Burton to Acton Turville. Take first left on arriving in Acton Turville (j2) gr st 808 807 onto unclassified road (h3) and continue west towards Tormarton where first left onto unclassified road gr st 769 791 (j3). Continue into Tormarton (h4) where left at sharp “t” junction (j4). On leaving Tormarton, continue south on unclassified road over M4 and crossing through Broadmead brook valley (h5) to Marshfield cemetery. Continue past the Marshfield cemetery and turn left to re-join the A420 (j5) for the second lap. Retrace along the A420, past the Shoe, Ford, Yatton Keynell, Action Turville and Tormarton. Finish at entrance to Marshfield cemetery, on Tormarton Road, just north of A420. (39mi approx).