The Blue Grass Stakes, currently the Toyota Blue Grass Stakes due to sponsorship by the Toyota Motor Corporation, is a horse race for 3-year-old Thoroughbreds held annually in April at Keeneland Racecourse in Lexington, Kentucky. The race is run at 1+1⁄8 miles on the dirt and currently offers a purse of $1,000,000. The Blue Grass Stakes was a Grade I event from 1974 (when grading was first introduced) through 1989 and again from 1999 to 2016. It was a Grade II event from 2017-2021, and returned to a Grade I in 2022.