According to science, humans can run a max speed of 40 mph. But the fastest runner in the world, Usain Bolt, runs 26 MPH.

Every four years, the premier event at the summer Olympics is the 100 meter dash, the swift sprint that you can literally miss by sneezing. In the past two Olympics in London and Beijing, the man ...

Two legs are good. Four legs might be better. Text and Illustrations by Randall Munroe How fast is it physically possible for a human to run? — Steve in Davis, Calif. So far, the fastest anyone has ...

Every four years, the premier event at the summer Olympics is the 100 meter dash, the swift sprint that you can literally miss by sneezing. In the past two summer games in London and Beijing, the man ...

Usain Bolt's record time of 9.58 seconds in the 100-meter dash is pretty remarkable, but the human body has the potential to go faster. How fast? You might be surprised.

The limit to how fast a human can run is 9.48 seconds for the 100-meter race, 0.10 seconds faster than Usain Bolt’s current world record, according to Stanford biologist Mark Denny.

Q: How fast is it physically possible for a human to run? — Steve, Davis, California. A: So far, the fastest anyone has run is about 27 1/2 mph, a speed reached (briefly) by sprinter Usain Bo… ...

Q: How fast is it physically possible for a human to run? — Steve, Davis, California. A: So far, the fastest anyone has run is about 27 1/2 mph, a speed reached (briefly) by sprinter Usain Bo… ...