The worlds fastest 40mm dash time 3.8sec _______________________________________________________________________
That is unofficial and unproven The official and proven fastest is 4.09 seconds.
This statistic is (to some) thought to be unofficial and not incredibly accurate. This is also used mostly in drafting for the NFL, so the record doesnt mean they are the fastest man alive. The answer is Darrell Green of Houston, Texas. He is thought to be one of the greatest cornerbacks of all time. In the Redskins training camp, Green ran (unofficially) the 40 yard dash in 4.09 seconds. He won 4 "NFLs fastest man competition"s.
At the NFL Combine, Chris Johnson recorded 4.24 seconds.
Fred Taylor's 40 yard dash in the NFL combine time does not appear to be recorded in any verifiable sources
The fastest 10-yard split ever electronically recorded was the 1.40 time recorded by current Tennessee Titan runningback Chris Johnson at the 2008 NFL Scouting Combine.
Terrel Owens 40 yard dash timeIt was 4.36
He ran a 40 yard dash in the 4.5s
his fastest was a 4.29 and his slowest was a 4.60
He ran a 4.39 in the 40-yard dash at the 2006 NFL Scouting Combine.
De Anthony Thomas can run a 40 yard dash in 4.21 seconds
His time at the combine prior to his rookie season was a 4.64 seconds 40 yard dash.
4.7
Mike Alstott ran a 4.66 40-yard dash in his college combine in 1996.
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.