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Centenarian marathon runner Fauja Singh, 101, left, originally from Beas Pind, in Jalandhar, India but who now lives in London, waves after finishing a 10-kilometer race, held as part of the annual Hong Kong Marathon, in Hong Kong Sunday, Feb. 24, 2013. Singh will retire from public racing after competing in the marathon. (AP Photo/Vincent Yu)

World's oldest marathoner retires

Fauja Singh, the world's oldest marathon runner at 101-years-old, took part in a 10-kilometer race at the Hong Kong Marathon and officially retired from public races on Feb. 24.