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.
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.
According to several online sources, Bob Hayes' time in the 40 yard dash wasn't recorded. See The Fastest 40 Yard Dash Ever.
Tyson Gaye
The fastest 40-yard dash time recorded for an NFL lineman is 4.65 seconds, achieved by Lane Johnson at the 2013 NFL Combine.
Bo Jackson was 4.12
Usain Bolt, from Jamaica, set the record today in the mens 100 metre dash. His time was 9.58 sec.
the fastest receiver in the nfl combine 2010 is Jacoby Ford at 4.28s i believe that's the fastest for a receiver because the fastest 40yd dash time was set by Chris Johnson in the '08 combine at 4.24s
The fifiy yard dash has never been an event in the Olympic Games. The shortest running event in the Games is the 100 meter dash and the Olympic record, as of the 2008 Games, is 9.84 set by Donovan Bailey of Canada set in 1996.
Deion Sanders has a recorded 40 yard dash time of 4.27 seconds. This places him among the fastest in the National Football League.
AnswerDeangelo Hall 4.18 Prefgasfrior to the NFL Scouting Combine, Johnson was projected a second to third round draft pick.[4] However, at the combine he registered a 4.24-second time, which essentially assured him a spot in the first round and tied the all-time mark set by Rondel Melendez, a wide receiver from Eastern Kentucky, in 1999-the first year the combine used electronic timers.[5] This time was the fastest ever recorded for a running back.[
The record time for the Belmont Stakes was set by Secretariat in 1973 in a time of 2 minutes and 24 seconds.
It has to be Chris Johnson, he ran the fastest recorded 40 yard dash in the history of the NFL combine i think it was 4.24 but i know for sure dominique rodgers-cromartie ran 4.29Tyreek Hill is the fastest NFL