One of the best analogies about AX I've ever heard is that it is
Being consistent is key. And above all...don't drive angry.
Lousy last run? Next one is a new opportunity to excel. Someone mentioned hitting a cone. I understand the point, but at the same time you do need a reference. That may or may not be the solution, but remember, you always save time by hitting the cone you can't avoid at speed vs. slowing down, backing up and going around. The final clock is what matters, not the penalty.
Stick with it and things will come around.