In total, it is estimated some 10 miles of road were targeted.
"Someone has gone around in a car spreading these tacks just before the roads closed and the race started. They've spread them from Rannoch down to us - tiny, tiny carpet tacks. They've just spread the road with them.
Peter Hounam, a member of the Anti Closed Road Event group and local businessman distanced himself from the sabotage but called for the race to be held on open roads because it impeded churchgoers and farmers.