Grand Slam of Grass
The Grand Slam of Grass is a series of American Thoroughbred horse races made up of four turf events for three-year-old horses.
The series offers a $5 million bonus for any horse who wins all four races. Currently sponsored by Jacobs Investments, the series consists of:
- Virginia Derby - July at Colonial Downs, New Kent, Virginia
- Breeders' Cup Turf - Late October/early November at a different location annually