they should post a sign up or have the even staff people remind the ones they think would most likely do it. LIke the ricers! the ones that bring there moms cars! some kid in a chevy maibu ran right threw it, it looked like he was going to back up cause he kinda stoped but NO! the idoit had to drive right through it. right before it was my turn. the race is pretty much thrown when people do that before you.