Start at small lay-by on the seagry road 1/2 mile north of sutton benger. proceed north through seagry heath and great somerford. turn left in little somerford to junction with b4042 where turn left. proceed to malmesbury hospital r/a, circle and retrace on b4042 through brinkworth turn left onto b4696, sp minety turn left at battle lake, sp garsdon. proceed to junction of b4040 at minety, turn left. give way to traffic from right. proceed to water tower r/a, junction a429, turn left. proceed to malmesbury hospital r/a proceed straight on (second exit). turn left into grange lane. proceed through startley. finish at old field gate 1/4 mile north of cross roads at upper seagry. no u turns at finish.