Originally Posted by RunbikeSki
When you get back "we" need to help you solve your blister issues. Sore feet after 13 miles is to be expected, but you really shouldn't be experienceing the blistering problem you are.
I hope he gets through it OK, I've seen too many injuries made much worse by being stubborn at the wrong time.
(I assume he's having trouble with the back injury he mentioned upthread.)
Mike, describe your blisters, there's a number of reasons but clues can narrow it down.