Peter Attia· MD
the caveat is you're in sand you're in boots you the night before did 1,000 literally 1,000 eight count bodybuilders which is like a burpee with another movement in there you slept for three hours you're on the beach it's cold and the run that's supposed to be four miles is actually four point four two miles or whatever you have no idea but so it's not as easy as it sounds