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Zersenay Tadese is an Eritrean long-distance runner. He is a three-time world champion in the 10,000 metres, winning gold medals in 2007, 2009, and 2011. He also won a silver medal in the 10,000 metres at the 2012 Summer Olympics. Tadese is one of the most successful long-distance runners of all time, and he is considered to be one of the greatest 10,000 metres runners of all time.