Central Oregon Tough Mudders teammates Christina Tsutsui, left, and Shamra Chapman, both 25 and of Bend, drop low to make their way through the mud pit on their first lap around the Warrior Challenge II race course near the Central Oregon Community College campus track Friday. The 5k race sported 10 obstacles, and was hosted by the OSU/COCC Military Science Club. The event accepted donations for the Family Readiness Group, which provides support to local soldiers and their families.