COMMERCIAL IMAGE - In this photograph taken by AP Images for Merrell, a couple kiss with muddy lips and faces after competing at the Detroit Merrell Down & Dirty National Mud and Obstacle Series ... more 
COMMERCIAL IMAGE - In this photograph taken by AP Images for Merrell, a couple kiss with muddy lips and faces after competing at the Detroit Merrell Down & Dirty National Mud and Obstacle Series Presented by Subaru on Sunday, Aug. 26, 2012 at Kensington Metropark in Milford, Mich. (Nathan Bilow /AP Images for Merrell) less 
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Associated Press
Sun, Aug 26, 2012 4:27 PM EDT