Fitness Quote by Kenneth H. Cooper
“Now I say that if you run more than 15 miles a week, it's for something other than aerobic fitness. Once you pass 15 miles, you do not see much further improvement.”
About This Quote
Source Book: Aerobics, 1968
Running beyond 15 miles weekly yields diminishing aerobic benefits.
In simple terms: More than 15 miles adds little fitness gain.
Focus training on varied intensity.
Themes
Mood
Type
When to use this quote
- marathon prep
- cross‑training
- injury prevention
Key Concepts
Questions to Reflect On
- How do you know when to change your routine?
- What other metrics indicate fitness progress?
Individual responses may vary widely.