If your skin is breaking out due to your workouts, you've gotta check out this slide show from Livestrong.com.
http://www.livestrong.com/slideshow/557787-how-to-avoid-exercise-related-breakouts/
quick and not-so-dirty version: wash before (no make-up) and after, don't touch your face, tea tree oil/salicylic acid, and hats over sunscreen.