The fastest Kentucky Derby ever was run by Secretariat.
On August 26th, 2005, the legendary Kenenisa Bekele of Ethiopia ran 26:17.53 in the 10k (a little over 6.2 miles). Converted to 6 miles, this time equals about 25:23.27 Crazy, eh?
About 46mph Ran by a Greyhound
Pretty fast I'd say
Michael Johnson 43.18
Daniel Tressler III of Oviedo, member of the Florida Striders and Central Florida Gliders, ran his first 10K, the Resolution 10K in Orange Park, Florida on 01/05/2013, finishing at 45:48!
12:37.35, ran by Kenenisa Bekele.
-40
12.1 secs bu josh gurtue
44.72 km/h
Bo Jackson ran a 4.12 but it was not electronically timed and therfore could not be verified. Chris Johnson ran a 4.24 at the NFL Combine: The fastest electronically timed 40 yard dash.
Lornah Kiplagat in 1h06:25 is the fastest recognised record (unassisted course)