The 80/20 works if you covering elite milage But most busy runners don’t have the time to spend 80% of their weekly milage at “easy” pace and get the additional 20% of “quality” work. The result = they wind up in “grey zones” Too fast on “easy” days - trying to just get it done Too fatigued to sustain paces on “quality” runs - overuse And that’s why they never get substantially better pace and race results 😭 The real secret 🤫 80% of race results are formed in the “20%” Match the Stimulus. Not