USMC Mud Run

Runners from all over the southeast participate in the 17th Annual USMC Mud Run, held in Sandy Run, S.C., Saturday, Sept. 25, 2010. The annual event benefits the Greater Columbia Marine Foundation, and has grown to the largest Mud Run in North America with more than 14,000 participants. (© 2010, Brett Flashnick/ flashnick | visuals)