Smiling Makes You a More Efficient Runner
It sounds hokey, but it works in the lab—and for the greatest marathoner in the world
When I ran my first marathon, I positioned my family and friends at crucial locations along the course with strict instructions to make me smile as I ran past.
I still remember rounding a corner during the second half of the race and seeing my friend Shannon holding a huge sign reading
“REMEMBER WHEN I BROUGHT YOU BURMESE FOOD AND THEN ATE IT?”
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