California's Santa ANITA Racetrack is a famous horse racing track located in Arcadia, California. It opened in 1934 and has been host to some of the most prestigious horse races in the world, including the Breeders' Cup and the Santa ANITA Derby. The racetrack is named after ANITA Baldwin, the daughter of the original owner, who was a major figure in the development of the track. The five letter answer to the crossword puzzle is ANITA.