80/20 Running: Run Stronger and Race Faster by Training Slower

by Matt Fitzgerald

immediately that the 80/20 Rule was a game changer. Even though I had always taught a mostly-slow training approach, I was aware that many of my runners ran too hard too often anyway. What I’ve realized—and what science proves—is that running slow just doesn’t come naturally to most runners. The same instinct that I had as an eleven-year-old new runner exists also within

“You only know you’ve been high when you’re feeling low.” Sometimes you need contrasting experience—something to compare your current situation against—before you realize things aren’t the way they ought to be.