I’m usually partial to good, clean fun. Mostly because I am lazy and don’t like cleaning up messes. This weekend, however, was a bit of a departure. My sister and I ran our first DirtyGirl 5k on Saturday morning and I swear, I am still smiling. Also: 4 showers later, I am still finding mud in various places. Like way inside my ear. I’ve participated in one other mud run before,…