American Triple Tiara of Thoroughbred Racing
The Triple Tiara of Thoroughbred Racing, formerly known as the Filly Triple Crown, is a set of three horse races in the United States which is open to three-year-old fillies. Presently the only official Triple Tiara is the three race series in New York; they are: the Acorn Stakes, run at Belmont Park at a distance of 1+1⁄16 miles (1.7 km), the Coaching Club American Oaks, run at Saratoga Race Course at a distance of 1+1⁄8 miles (1.8 km) and the Alabama Stakes, run at Saratoga at a distance of 1+1⁄4 miles (2.0 km).