This run is not for those looking to stay clean. The Dirty Myrtle Mud Run is a nearly three-mile-long obstacle course covered in mud. Challenges include hills, a ditch crawl, a tire run and a mud pit. Food, music and beer wait at the finish line. Kids can get in on the action with a one mile run.

Waterbridge in Carolina Forest, 4713 Starlit Way. Saturday, 9 a.m. $20–$220. (843) 712-2618, dirtymyrtlemudrun.com