Depends upon your level and your position.
It is good enough for almost any position in high school, and good enough in college for anything except wide receivers and defensive backs at elite colleges.
In the pros, it is probably only good enough for "slow" positions, like QB, defensive line, etc.
how fast does mike sellers run the 40 yard dash how fast does mike sellers run the 40 yard dash
He ran a 4.5247853 40 yard dash
Chris Paul runs the 40 yard dash in 3.9.
Micheal Phelps is a swimmer. He is not a runner. There is no 40 yard dash in swimming.
Jason Witten has run a 4.67 in the 40- yard dash.
4.2 sec in the 40 yard dash = 19.48 mph
It is average.
Yes it is very fast.
fast
Darren McFadden runs the 40-yard dash in 4.3 seconds.
Walter Payton 40 yard dash time was 3.90 seconds.
mike Wallace runs a 4.33 sec in the 40 yard dash