No it isn't. It is prejudice based on a stereotype. If he was the head coach and only recruited black kids based on his prejudice, then it would be racist.
But, you know what, if people believe racism is still a problem, the last thing you want to do is squelch discussion of steteotypes, prejudices and racism. Let the man say what he believes and then you can say why you think he is wrong. Those discussions lead to understanding and enlightenment. Chief isn't wrong here, you guys are.
You too.
Definition of RACISM
He said "white guys foot speed is too slow"
I really don't understand how this is difficult to understand.