The Indiana Oaks is a Thoroughbred horse race run at Hoosier Park located in Anderson, Indiana in the early fall. Open to three-year-old fillies, the Grade II event is set at a distance of I mile and one sixteenth on dirt. The race offers a purse of $400,000 added. Hoosier Park was inaugurated on September 1, 1995 and is also used for standardbred races with harness racing from April to August.