Don Kardong Quotes

Train at the same pace day after day, week after week, year after year, and that's the kind of running the body adapts to. But break out of that comfort zone with a little speedwork now and then, and the body will learn to deal with the new demands.
Don Kardong
Don Kardong

Quotes to Explore

This site uses cookies. By continuing to use this website, you agree to our policies regarding the use of cookies.