Part of the Operating systems glossary: Mac OS is the computer operating system for Apple Computer's Macintosh line of personal computers and workstations. A popular feature of its latest version, Mac OS X, is a desktop interface with some 3-D appearance characteristics.
The Preakness Stakes is an American flat thoroughbred horse race held on the third Saturday in May each year at Pimlico Race Course in Baltimore, Maryland. It is a Grade I race run over a distance of 9.5 furlongs (13â16 miles (1,900 m)) on dirt.
The 2013 Preakness Stakes was the 138th running of the Preakness Stakes thoroughbred horse race. The race was held on May 18, 2013, and was televised on NBC. The race was won by Oxbow. The post time of the race was 6:18 p.m. EDT. The race was the 12th race on a card of 13 races.