Carl Lewis
Shelly-Ann Fraser at the 2008 Games in Beijing.
D=SxT 100m=Sx10s S=10m/s 1mile=1609.34m 1609.34/10m/s=160.934s=2.682233min 60min/2.682233=22.36mph
Asafa Powell was clocked at 32 mph at his fastest point in the 100m dash when he ran his 9.74.but... it is wrong because Usain bolt ran .16 faster than him. at 33mph at an 100m dash...
Usain Bolt at the Berlin Championship 2009 setting another world record in the 100m dash, ran it at 27 miles per hour.
In fact he ran his world record of 10.2 seconds in his 100m Quarter-Final of the Berlin Olympics of 1936. His best in the 100 yard dash was 9.4 seconds, equalling the World Record.
That was Tim Montgomery of the United States who ran a 9.78 in 2002.
Victor Cruz ran a 4.47 second, 40 yard dash at his pro day at University of Massachusetts.
In 1995, Warren Sapp ran a 4.84 second 40-yard dash at the Buccaneers mini camp. (The surface was considered a slow, sand-based turf).
Raghib Ismail ran a 4.28 second 40-yard dash at the NFL Combine. This was not using today's electronic timer.
He ran the 100m on dirt in under 12 seconds.
Hall ran a 4.15 second 40 yard dash indoors and a 4.37 outdoors while in school at Virginia Tech.
he ran the 100m in 4.23 seconds