Arlington-Washington Lassie Stakes

The Arlington-Washington Breeders' Cup Lassie Stakes is an American Thoroughbred horse race held annually in mid September at Arlington Park Racetrack in Arlington Heights, Illinois. Raced on Polytrack synthetic dirt over a distance of seven furlongs, it is open to Two-Year-Old Fillies and currently offers a purse of $75,000. It was a Grade III race through 2012, but was a listed stakes in 2013.
Inaugurated in 1929 as the Arlington Lassie Stakes, in 1963 it was renamed the Arlington-Washington Lassie Stakes and in 2005 was given the Breeders' Cup designation.
Since inception, the race has been contested at various distances:

1929–1931 : 5.5 furlongs
1932–1961 & 1972–1979 : 6 furlongs
1962–1969 : 6.5 furlongs
1980–1984 & 1986–1987 : 7 furlongs
1985 : 6.5 furlongs
1986-2013 : 1 mile
2014 to present : 7 furlongs

The race was not run in 1970, 1971, 1988, 1995, 1998 and 1999.

Records

Time record:

1:35.93 – Original Spin

Largest winning margin:

12 lengths – Eliza

Most wins by an owner:

4 – Calumet Farm

Most wins by a jockey:

5 – Steve Brooks

Most wins by a trainer:

2 – Ben A. Jones
2 – Howard Wells
2 – J. Hodgins
2 – Horace A. Jones
2 – Harry Trotsek
2 – Moody Jolley
2 – Joe Pierce Jr.
2 – Woody Stephens
2 – Michael L. Reavis