The Whippet is the fastest dog. It can can run about 40 miles per hour.
He ran a 4.24 the fastest time for a running back
Chris Everts of SWFl ran the worlds fastest 5k with a time of 13:17 back in nov. 12, 2008
the cheetah can run 71 mph.
The current men's world record is held by Michael Johnson, with a time of 43.18 seconds
The fastest recorded time by an NFL player is 4.24 which was run by Chris Johnson, so no a 14 year old could NOT run a 4.1 40- yard dash.
me YEAH RIGHT Tim Tebow ran it in 3.25 SECONDS I can run it in about 4.21 seconds.
his fastest is 4.29