Running is one of those things that most people either love or hate. Usually, the two camps are divided by one factor — skill. The group of people who love running tend to have run earlier in life and picked up some skill at it. Like with many things, those who develop a particular physical skill early will often have a seemingly “natural” ability at it later, even if they don’t perform that task often.… The post The Walk/Run Program 2.0: Run for 60 Minutes Straight in 13 Weeks appe...