It all depends on your weight and height and of course how fast you are but an average time for a 40 yard dash is 6.2 s ( or 6.7-7.3s) if you've heard 5.5 s than you're mistaken. That's definitely not an average time , that's more like a pretty fast time.
4.1
Johnson runs a 4.24 Fastest in NFL
like 23mph
Which QB were you referring to? Masoli? Thomas? Dixon?
You have to be able to run at least a 5.5 40yard dash or else you have no chance.
Devin Hester is capable of running the 40yard dash in 4.30!
Running back and Safety for Elgin,Texas 2005-2008. 4.5 40yard dash 30olbsbench press
The average oline 40yard dash is 5.24 sec.... 4.6-4.7 is prestige
yes devin Hester is faster than reggie bush in the 40yard dash devin ran 3.9 and reggie ran 4.3
12-14 seconds
A 12 year old's average time for the 100 meter dash, should be about 15 or 16 seconds.
A little quicker than average, but not really "fast." With proper training and ability though, the athlete could develop into a very fast sprinter.