deangelo hall former atlanta falcon now with the okland raiders with a 4.15
Michael Johnson ran the fastest time of 43 seconds if you were wondering usain bolts fastest time then look for it on the Internet or YouTube
officially the fastest time ever posted was by CB Fabian Washington 4.29 Chris Johnson's 40 time at the Combine was 4.24
12.1 secs bu josh gurtue
actaully, his freshmen year he ran a 4.24 in the fastest student on campus comp.
Darrell Green ran an unofficial 4.09 40 yard dash in training camp in 1986 for the Washington Redskins. He is considered by many as one of the best corners of all time. Many see him as the fastest man in NFL history, having won several NFL's Fastest Man competitions. Bo Jackson is second ran a 4.12 Deion Sanders is third ran 4.17 and 4.57 backwards at Florida State University Pro Day
i did in 15 minutes
3:43 seconds ran by a 14 year old kid.
Hall ran a 4.15 second 40 yard dash indoors and a 4.37 outdoors while in school at Virginia Tech.
my is 2:55 and i'm not joking
4.40
4.24 By Chris Johnson. This is the fastest most accurate time.
10000 minutes