Just been looking up events and I found this one that may be of intrest
to the group:

The run will start at 8.45am from Kings Park, Bournemouth, which has
plenty of overnight parking and café facilities. The route, through 5
counties is around 90 miles of scenic countryside and rural delight
taking in Salisbury, across the Plain to Warminster (both with official
stops, commentary and refreshments), Frome, Bradford on Avon, to end
with a static display at Lansdown Park & Ridet

Regards

Steve Tydeman