You can't. It would be like extrapolating a marathon time from a mile time.
11.72 100 meter time to 40 yard dash
4.0 30 yd dash
40 yard dash/10 yard dash= 4 What ever the time you got for the ten yard, you multiple it by 4. It could be an average of your running time per 10 yard dash. Sometimes for several runners, they would feel worn out by the time when reaching the 40 yard mark.
Because they dash for 40 yards.
The best 40 yard dash times are around 4.2 seconds. A good 40 yard dash time is anywhere between 4.2 seconds and 5.1 seconds depending on your football position.
He ran a 4.4 40 yard dash
A 40 yard dash is a track and field sport where competitors run 40 yards
His 5.0 40-meter dash translates to a time of 4.572 seconds in the 40-yard dash.
Yes. I ran 4.2 on 40 yard dash and I am 11.
40 Yard Dash: 4.29 (Pro Day)