Free throw violation or not?

[MajorCord]

Originally Posted by Philz

If its legal to get a running start towards the Basket and time yourself breaking the 3 point / free throw line extented plane legally why wouldnt you practice that and why I never see it in higher levels of Baskeball? Its really not that hard to time it. If 9 and 10 year olds can do why dont I see this in higher level of BB? If its legal you could actually start at the mid court point and with the ability of players now you could probably jump from the 3 point line an fly though the air and grab the rebound, as long as you didnt crash into anyone....right?

Trying to picture that.