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This is the shocking moment a professional marathon runner collapses on the finish line of the London Marathon at the end of the brutally draining race.
British athlete Hayley Carruthers, 25, was left flailing in pain just a meter short of the end of the race as her legs dramatically gave out in the closing stages of Sunday's marathon.
Despite the shocking end to her race, Carruthers still managed to achieve a personal best time - crawling the final stretch on her hands and knees.