How Fast Can Humans Go?
Born to run.
Humans are pretty quick. In 2009, Usain Bolt flew down the track at over 23 mph; in 2014, Dennis Kimetto, the marathon world record-holder, cruised along at 12.8 mph — about a 4:42-per-mile pace — for 26.2 miles. Scientists are uncovering what makes the Bolts and Kimettos of the world tick, and how we evolved to do both. That knowledge is redefining what’s possible and may help you speed up, too.