The Belmont Oaks Invitational Stakes is an American Thoroughbred horse race held annually in early July at Belmont Park in Elmont, New York. A Grade I event open to three-year-old fillies, it is raced on turf over a distance of a mile and a quarter (10 furlongs). The purse was increased to $1,000,000 in 2014. The race is a Breeders' Cup Challenge "Win and You're In" event for the Filly and Mare Turf.