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Centenarian Fauja Singh smiles on the track between races in Toronto, Thursday Oct. 13, 2011. One-hundred-year-old Singh, originally from India now living in London, England, is competing in Toronto's Waterfront Marathon on Sunday. (AP Photo/The Canadian Press, Chris Young)

Centenarian Fauja Singh smiles on the track between races in Toronto, Thursday Oct. 13, 2011. One-hundred-year-old Singh, originally from India now living in London, England, is competing in Toronto's Waterfront Marathon on Sunday. (AP Photo/The Canadian Press, Chris Young)

100-year-old man sets record by finishing marathon

100-year-old Fauja Singh became the oldest person to complete a full-distance marathon when he finished a race in Toronto. (AP)