The Gran Premio de Honor (also known as Copa de Oro Argentina, Gran Premio de Honor Eduardo Casey) is a Group 1 horse race run at Hipódromo Argentino de Palermo in Buenos Aires, Argentina, open to horses three years old or older. It is currently run over a distance of 2000 metres (1.2 mi) on the dirt.^[1]

The Gran Premio de Honor was first run in 1887 over a distance of 3500 meters.^[2]

The Gran Premio de Honor has been run at a variety of distances, including:

• 3500 meters (1899–1977?)
• 3000 meters (1988?–1992)
• 2500 meters (1993–2006)
• 2000 meters (2007–present)^[3][4]

From 1960 to 1963, the Gran Premio de Honor was run as the Gran Premio de Honor Eduardo Casey.^[5]

From 1988 to 2006, the race was restricted to horses four years old or older and run in October. When it was moved to April in 2007, it was opened to horses three years old or older.^[3]

The Gran Premio de Honor is the second jewel in the Campeonato Palermo de Oro ® Para todo caballo de 3 años y más edad, run after the Group 2 Premio Clásico Otoño and before the Group 1 Gran Premio República Argentina.^[6]

Speed record:

• 2000 meters (current distance): 1:58.95 – Mystery Train (2014)
• 2500 meters: 2:28.46 – Potridoon (1994)
• 3000 meters: 3:08.35 – Formaggio (1992)
• 3500 meters: 3:374⁄5 – Banderín (1943)

Greatest winning margin:

• 11 lengths – Gold Fire (2002)

Most wins:

Since 1988, no horse has won the Gran Premio de Honor more than once. Prior to that, Mouchette won three times (1911, 1912, 1913) and the race was won twice by Old Man (1905, 1906), Caid (1921, 1922), Balbucó (1936, 1937), Bon Vin (1940, 1941), Churrinche (1945, 1946), Penny Post (1949, 1950), Yatasto (1952, 1953), and Imbroglio (1959, 1960).

Most wins by a jockey:

• 4 – Jacinto R. Herrera (1992, 1997, 1998, 1999)
• 4 – Pablo Gustavo Falero (1994, 2003, 2009, 2011)
• 3 – Juan Carlos Noriega (1995, 2001, 2008)

Most wins by a trainer:

• 3 – Roberto Pellegatta (2001, 2005, 2007)
• 3 – Juan Carlos Maldotti (1994, 1995, 2003)

Most wins by an owner:

• 3 – Stud Tori (1994, 1995, 1999)
• 3 – Stud Mate y Venga (2014, 2015, 2017)

Most wins by a breeder:

• 4 – Haras El Turf (1993, 2000, 2018, 2022)
• 4 – Haras Firmamento (2002, 2004, 2005, 2024)
• 3 – Haras La Madrugada (1994, 1995, 1999)

ƒ Indicates a filly or mare

*Not a pure thoroughbred

^[5][4]