Mazarine Stakes

The Mazarine Stakes is a Thoroughbred horse race at Woodbine Racetrack in Toronto, Ontario, Canada. A Grade III race, it is open to two-year-old fillies. Contested over a distance of $1 1/16$ miles (8.5 furlongs) on Polytrack synthetic dirt, it currently carries a purse of approximately $114,045.

Run annually in October, the Mazarine Stakes is a prep race for the Breeders' Cup Juvenile Fillies.

Inaugurated in 1965 at Greenwood Raceway, in 1980 it was moved to its present location at Woodbine Racetrack. From 1975 through 1979 it was contested at a distance of one mile (8 furlongs). It was run in two divisions in 1979.

Records
Speed record: (Through 1998, times were recorded in fifths of a second. Since 1999 they are in hundredths of a second)
 * 1:43.15 - Knights Templar (2005) (at current distance of $1 1/16$ miles)

Most wins by an owner:
 * 4 - Sam-Son Farm (1986, 1990, 1995, 1999)

Most wins by a jockey:
 * 7 - Patrick Husbands (2003, 2004, 2007, 2012, 2013, 2014, 2017)

Most wins by a trainer:
 * 9 - Mark E. Casse (2004, 2007, 2012, 2013, 2014, 2016, 2017, 2021, 2022)

Winners of the Mazarine Stakes

 * In 1983, Constant Change finished first but was disqualified and set back to second.