Course Description, F5/25
Start at first layby on A5(D) southbound situated after joining from the A509. Start point 10 metres from end of layby at point marked F5/25.
Proceed southwards to Brickhill RAB where turn right (3rd Exit) following A4146.
Proceed straight ahead at next two roundabouts to enter dual carriageway section. After second RAB proceed uphill, still following A4146 and then turn left at next RAB, first exit, still following A4146. Continue until next RAB at junction with Stoke Road where
TURN to follow A4146 in opposite direction. Return to RAB at junction with Drayton Road where TURN again to retrace A4146 dual carriageway back to junction with Stoke Road.
TURN again to follow A4146 in opposite direction to RAB at junction with Drayton Road for the second time, where right, downhill, following A4146. continue straight on at next two RABs continuing to follow A4146.
At Brickhill RAB take second exit to follow A5(D) northbound.
FINISH at start of layby where straight section of DC commences alongside railway, just after passing under Chaffron Way overbridge. 25.0 miles.