Runners in the first charity fundraising London Backward Run leave the start line at Crystal Palace Park in South London, Sunday July 17, 2011. Runners compete to get around 1 and 3 km courses in the ... more 
Runners in the first charity fundraising London Backward Run leave the start line at Crystal Palace Park in South London, Sunday July 17, 2011. Runners compete to get around 1 and 3 km courses in the shortest time, backwards all the way. (AP Photo /Sean Dempsey, PA) UNITED KINGDOM OUT - NO SALES - NO ARCHIVES less 
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Associated Press
Sun, Jul 17, 2011 10:12 AM EDT