An athlete in the single bamboo drifting competition, during the 9th National Traditional Games of Ethnic Minorities of the People's Republic of China, September 11, 2011 in Guiyang, China. (Feng Li/Getty Images).
I don't have time to look up information on this game, but if that guy is propelling a single bamboo pole without outriggers or an attached rudder or whatever, then I'm impressed.
Photo from Boston.com's The Big Picture.
Addendum: Richard Hartmann found some additional photos of the event -