2 / 13

Centenarian marathon runner Fauja Singh, 101, center, originally from Beas Pind, in Jalandhar, India but who now lives in London, runs in a 10-kilometer race, 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/Kin Cheung)

Centenarian marathon runner Fauja Singh, 101, center, originally from Beas Pind, in Jalandhar, India but who now lives in London, runs in a 10-kilometer race, 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/Kin Cheung)

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.