Hi: I am just transitioning from my Merrell barefoot shoes to running barefoot. Did 3.2 miles in around 25 minutes...and got a blister only on my right foot. No other pain anywhere. I don't run everyday...as I crosstrain alot with weights and yoga...so..I was wondering. Should I run barefoot even though I have this blister, or should I put my merrells back on? I'm also ramping up for a 13.1 race in the MOUNTAINS in less than six weeks...so what's the reality I can do this mileage totally barefoot????