Usain Bolt ran the 100 meter dash in 9.58 seconds, which places his average running speed at 23.35 miles per hour. The IAAF conducted a study on Bolt's record setting record setting run in 2009 and found that he achieved a foot speed of 27.44 miles per hour in that run.Know More
It also appears that Usain Bolt can sustain his average speed at the 200 meter dash, which he was able to run in 19.19 seconds. His average running speed for this event is at 23.31 miles per hour.
For sustained long runs, champion long distance runner Wilson Kipsang Kiprotich ran the 26.2-mile full marathon event in 2 hours, 3 minutes and 23 seconds in Berlin in September 2013. This means that Kiprotich maintained a running speed of 12.7 miles per hour for 2 hours.
A study conducted by the Southern Methodist University shows the variables that places the limits on human running speeds. This same study concluded that it is possible to increase human foot speeds from the nearly 28 mph achieved by Bolt to 35 to 45 mph.Learn more about Science
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.Full Answer >
As of November 2014, Usain Bolt is the fastest man in the world, with a record of running 100 meters in just 9.58 seconds. Bolt set his world record in 2009 at the Berlin World championships, beating his own previous world record of 9.69 seconds.Full Answer >
Zebras run at speeds of up to 35 to 40 miles per hour with great stamina. Their speed is primarily used to escape from predators such as lions and hyenas.Full Answer >
Greyhounds can run up to 45 miles per hour for very short periods. They are the fastest dogs in existence and are commonly used for racing and for coursing small game, such as hares.Full Answer >