The ACORN is the first leg in the Triple Tiara; the series continues with the Mother Goose and concludes with the Coaching Club American Oaks, both run at Belmont Park.
The ACORN was run at Aqueduct from 1960 to 1967 and 1969 to 1975. Run in two divisions in 1951, 1970 and 1974. There was a Dead Heat for win in 1954 and 1956.
* = Denotes winner of the Triple Tiara (Acorn, Mother Goose and Coaching Club American Oaks).