There are no Secrets but there is a Recipe. I do all the research so you don’t have to.
Five training tips from the man who created the 80/20 rule – Athletics Weekly
Five training tips from the man who created the 80/20 rule – Athletics Weekly
Stephen Seiler says 80% of a runner’s workouts should be done at a slow speed with 20% at medium to fast pace. Here are his five training tips related to this theory
Five training tips from the man who created the 80/20 rule – Athletics Weekly