Competitors, Katie Beers, left, from Sacramento, CA and Alisa Kress of Lincoln, CA poses for a fun photo before crawling into a mud pit during the last mud run of the summer season at the Merrell Down... more 
Competitors, Katie Beers, left, from Sacramento, CA and Alisa Kress of Lincoln, CA poses for a fun photo before crawling into a mud pit during the last mud run of the summer season at the Merrell Down & Dirty National Mud and Obstacle Series Presented by Subaru, at Folsom Lake State Recreation Area in Sacramento, CA, on Sunday, Oct. 28, 2012. The race included military obstacles, running, wading through water, crawling into mud and scaling a wall covered with soap. The kids 100 Yard Dash and one mile race is the largest of its kind in the U.S.A. (Nathan Bilow/AP Images for Merrell) less 
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Associated Press
Mon, Oct 29, 2012 3:41 PM EDT