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 fastest speed ever is 12874.97 mph
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.
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 pitch ever recorded was 93.2 in the 1996 olimpics!!!
Barba Blackburn
672 mph
He is the fastest man ever recorded.
the fastest serve was 153 miles an hour
Tachyon is the fastest thing ever because its slowest velocity is the speed of light! Light is the fastest thing that can be seen.
The fastest ever serve recorded; 251 Km/h, was by Ivo Karlovic.
According to several online sources, Bob Hayes' time in the 40 yard dash wasn't recorded. See The Fastest 40 Yard Dash Ever.
374 mph