The Washington Park Handicap is an American Thoroughbred horse race held annually during the first week of September at Arlington Park Racetrack in Arlington Heights, Illinois.
A Grade III event open to horses age three and older, it is contested on Polytrack synthetic dirt over a distance of a mile and one-eighth (9 furlongs).
The race is designed to be a prep for the Breeders' Cup Classic.
In 1935 the race was run as the Washington Park Championship Stakes and from 1980 through 1985 as the Washington Park Stakes.
Since inception, the race has been contested at various distances: Speed record: (at current distance of 1+3⁄16 miles ) Record at 1 mile on dirt - 1:32.20 Dr. Fager (1968) - Note that this time broke the world's record at the distance on dirt.