Next time if we are indoors a lotto win each would be nice and a 1.4 lens - til then we do the best we can with what we've got. We all did pretty well considering ... PC and Frodo.
(Laura you're not allowed "flash" flyball dogs while they are running from a close enough point to make a difference, too distracting).
I think you did well too. You have picked about the hardest thing to try to shoot, action indoors in not-great lighting. Flash can sometimes help, but it also takes some work and playing around.