Boy, that's a tough one, NASCAR. If it were me, I probably would NOT. Because I know she'll eventually find out about it anyway (thus, I still gain the benefit of her being proud of my accomplishment, and "success builds attraction" and all that) . . .
Plus, I don't want it to appear at all "needy" on my part that I'm telling her this -- like I'm looking for some sort of reaction out of her.