The Adena Stallions' Miss Preakness Stakes is an American Thoroughbred horse race run on Black-Eyed Susan Stakes Day (the third Friday in May) at the Pimlico Race Course in Baltimore, Maryland as a stakes feature of the undercard. (It was run on Friday, May 15, in 2015.) It's set at a distance of six furlongs on the dirt.A Grade III event for three-year-old fillies, it offers a purse of $125,000 added. The race was first carded in its inaugural running in 1986.