Mark didn’t find running until he was 38. He transformed himself from a chain smoking, overweight partier into a endurance machine at an age when most people have already let go of their athletic aspirations.

We travel back in time to the 3rd Training Tuesday we ever recorded: Running Terminology 101! The audio quality was amateur hour, our delivery was a work in progress, but the content is just as useful now as it was 4 years ago! This re-release will give you all the definitions needed to navigate...