I ran in the Karhu Steady3 Fulcrum for a little longer than two months prior to this review, with an average of 20 miles per week (there were a few weeks while I was doing the ADAPT Training Cut Camp, when I ran less). My “usual” trainer is the Brooks Adrenaline, a stability shoe, which I started wearing about six years ago to respond to a recurring knee issue. I was a little hesitant to…
