It's a hard, simple calculus: Run until you can't run anymore. Then run some more. Find a new source of energy and will. Then run even faster. — Scott Jurek Copy Share Image
“[Running] is a hard, simple calculus: Run until you can’t run anymore. Then run some more. Find a new source of energy and will. Then run even faster.” — Scott Jurek Copy Share Image
![“[Running] is a hard, simple calculus: Run until you can’t run anymore. Then run some more. Find a new source of energy and will. Then run even faster.” quote by Scott Jurek](https://sms4smile.com/quotes/img-quotes/3e7/scott-jurek-9773_energy_running-is-a-hard-simple-calculus-run-un_1820822.jpg)