Photos: The world's dirtiest race
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Credit: AFP/Getty Images
Competitors take part in the Maldon Mud Race in Maldon, Essex on April 29, 2012. The race originated in 1973 and involves competitors racing around a course on the mudbanks of the river Blackwater at low tide. AFP PHOTO/CARL COURT (Photo credit should read CARL COURT/AFP/GettyImages)
