Start - Just past Iron Acton Garden Center on B4058 (Wotton/ Bristol Road).  Along B4058 to Charfield roundabout (junction with B4509), here competitors will turnaround and retrace route down B4058 (Wotton/ Bristol Road).

Finish: 2nd Layby/ gate way on the right hand side up from Garden Center.

U103 is a longer version of U102 at 12.2 miles