How a 46-Year-Old Marathon Runner Keeps Getting Faster | NYT Opinion
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The Endurance and Speed of Memo Morales | Human Race | Runner's World
10:12
Marathon Champion Answers Running Questions From Twitter | Tech Support | WIRED
6:54
Meet the Eighty-Six-Year-Old Running the New York City Marathon | The New Yorker
21:21
119 Years Old and Winning Marathons—Or Not?
8:13
Harvard professor debunks the ‘10,000 steps per day’ myth | Daniel Lieberman
9:27
This Stops 90% of Runners Getting Faster
10:46
Can a heavy smoker become a pro runner? Here’s my story.
3:22