The fastest time ever to run a mile is 3 minutes 43 seconds. Hope this helps you!
The fastest Kentucky Derby ever was run by Secretariat.
The fastest quarter mile ever achieved by a human is 43.18 seconds. It was ran by Michael Johnson on August 26, 1999. The fastest quarter mile ran by a women is 47.60 seconds, Marita Koch on October 6, 1985.
The fastest quarter mile ever ran was set by Michael Johnson with a time on 43.18 seconds
Slower than a cheetah.
About 46mph Ran by a Greyhound