Mach Sprint Drills - A Personal & Historical Perspective

I am going to lend a bit of a historical perspective on the Mach sprint drills. I must emphasize that this is my perspective and opinion based on discussion, observation as well as my coaching experience. I was first introduced to the Mach drills in 1975 by a group of Canadian athletes training in Santa Barbara Calif. They showed me the drills and gave me an article on the drills written by the or