180707-N-AM903-074 BETHESDA, Md. (July 6, 2018) Participants of the Naval Support Activity Bethesda's Morale, Welfare and Recreation Warrior Mud Run crawl through the mud as competition kicks off. The Warrior Mud Run is a race filled with a variety of obstacles designed to challenge women, men and youth of all fitness levels. (U.S. Navy photo by Mass Communication Specialist 3rd Class Julio Martinez Martinez/Released)