Arturo Barrios, Mexican-American runner

Arturo Barrios Flores is a Mexican and American long-distance runner who set the 10,000 m world record in 1989, the one hour world record in 1991, and the 20,000 m world record en route to the one hour run world record.

December 12 is the 346th day of the year in the Gregorian calendar; 19 days remain until the end of the year.