If You Are Trying To Break An World Record For 12 year Olds ...
It Should Be In 4.51 Seconds
-Marteas
The fastest NFL Combine 40 yard dash time is 4.06 seconds by Ted Ginn Jr.
Terron Armstead ran a 4.65 40 yard dash at the 2013 combine.
Michael Vick has the fastest time
43.18 seconds
Chris Johnson
4.3
Hi
3.8's
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The fastest NFL 40 yard dash ever at the combine (rookie evaluation) was Chris Johnson from the Tennessee Titans. He ran 4.24 in 2008
The worlds fastest 40mm dash time 3.8sec _______________________________________________________________________ That is unofficial and unproven The official and proven fastest is 4.09 seconds.
Chris Johnson at the 2008 NFL combine ran the 40-Yard Dash in 4.24