Usain Bolt ran the 100-meter dash in 9.58 seconds in 2009, which is an average speed of 10.44 meters per second. During the same run, in which he set the world record, he achieved a top speed of 12.27 meters per second, which is equivalent to 27.44 miles per hour.
Bolt is a Jamaican sprinter who broke several short-distance speed records. He was born in 1986 and is known not only for his speed, but also for being relatively tall for a sprinter at a height 6 feet 5 inches. He has competed in various events ranging from 100 meters to 400 meters.