Note to prospective Vibram users: watch your running surface. I had a good few months with Vibrams until I got a stress fracture in the ball of my left foot. If

Note to prospective Vibram users: watch your running surface. I had a good few months with Vibrams until I got a stress fracture in the ball of my left foot. If you are going to be doing long distances on a hard surface, you need to build up very slowly or use a softer shoe.