Good time for average 16 year old boy: 12.5s
Average time for average 16 year old boy: 13s
Average time for a good 16 year old boy: 11.5s
Good time for a good 16 year old boy 11s
9.70 - 9.80 seconds.
I just turned 13, I'm a little bit faster than average and I got 6.35. But the 40m sprint is completely irrelevent to 100m cause I got 15.72 in the 100m and my friend (who got 6.39 in the 40m) got 14.96. So the 40m sprint is just about accelaration not speed.
9.58 by Usain Bolt
15 seconds would probably be good for a 10 year old, or maybe in the 14s.
Maurice Greene with a time of 9.87.
Usain Bolt with a time of 9.58s.
It depends on the child. If hes fast or slow. If you average 15 mph in a 100m sprint then your time will be 14.91 seconds. That's pretty impressive if a 5 year old can run that fast.
it was shelly an fraser she won with 10.78 sec.
its an ok time. i'd say it is abit better than average, but to run competitively it is just good enough but if you wish to go further in 100m its not fast enough. im the same age as you and my pb is 11.00s and i just missed out in qualifying to run nationally that's why i have moved to 200m.
Sprint the 100m but do it with resistance, for example a parachute or weighted vest. Also make sure that you get completely stretched out before you time it, including your arms.