Get in the best shape of your running career with the scientifically based training in >Daniels' Running Formula>. In the book that >Runner's World magazine> called >"the best training book, "> premier running coach Jack Daniels provides you with his proven VDOT formula to guide you through training at exactly the right intensity to become a faster, stronger runner.Choose from the red, white, blue, and gold programs to get into shape, target a race...