Princess Rooney Stakes  The Princess Rooney Stakes is an American Grade II Thoroughbred horse race once run annually during the second week of July at Calder Race Course in Miami Gardens but now run at Gulfstream Park, Florida. The seven furlong sprint on dirt is open to fillies and mares age three-years and older. Named for the U.S. Hall of Fame filly Princess Rooney, it was a Grade I event from 2006 to 2014, but became a grade II event in 2015. Initially known as the Princess Rooney Handicap, it became known as the Princess Rooney Stakes beginning with its 2015 running. Inaugurated in 1985, it was contested at a distance of seven furlongs until 1997, then run at six furlongs from 1998 to 2015. In 2016, it returned to a distance of 7 furlongs. Part of the Breeders' Cup Challenge series, the winner of the 2009 Princess Rooney Handicap automatically qualifies for the Breeders' Cup Filly & Mare Sprint. Speed record:   Most wins:  Most wins by a jockey:  Most wins by a trainer:  Most wins by an owner: