Start at the entrance to Mentmore Towers, centre of Mentmore village. Proceed north, through village towards Wing. After 1.4 miles turn left at Wing Crossroads towards Wingrave. At junction in Wingrave after approx 1.6 miles turn left through village towards Long Marston (take extreme care at chicane as you leave village - fast and tight). After approx 3 miles in Long Marston village turn left towards Cheddington. after approx 1.8 miles at the Cheddington cross roads (actually a double roundabout junction) turn left (care as traffic from right has priority at roundabout) towards Mentmore, continuing for approx 1.5 miles. Complete lap at top of hill in village after approx 9.3 miles in total. Course is 3 complete laps, total approx 28 miles.