what the fastest a man can run
(Reuters/Dominic Ebenbichler) Humans could perhaps run as fast 40 mph, a new study suggests. Such a feat would leave in the dust the world's fastest runner, Usain Bolt, who has clocked nearly 28 mph in the 100-meter sprint. The new findings come after researchers took a new look at the factors that limit human speed.
According to the Guiness Book of World Records, the fastest a human has run is 200 m in 19.32 seconds by Michael Johnson (US) Atlanta, Georgia, July 21, 1996. This about 10.35 m/sec. However human beings travel much faster than this using animals such as horses, or while falling off buildings, or using machines such as automobiles and aeroplanes.