Usain Bolt, the world’s fastest person, ran a 100-meter sprint at a speed of 23.35 miles per hour (37.57 kilometers per hour). That’s mind-blowingly fast for a human. It’s about the same speed as ...
If you’ve got the need for speed, you’ve come to the right place. Whether you’re looking to shave a couple of minutes off your marathon time or absolutely embarrass your run club nemesis (we don’t ...