The 1957 1000 km Buenos Aires took place on 20 January, on the Circuito de la Costanera Norte, for this event, was moved from its previous venue, the Autódromo Municipal-Avenida Paz, a 45,000 capacity motor racing circuit in Buenos Aires, Argentina built in which year?
Autódromo Juan y Oscar Gálvez The Autódromo de Buenos Aires Juan y Oscar Gálvez (official name) is a 45,000 capacity motor racing circuit in Buenos Aires, Argentina built in 1952 under president Juan Perón, named "Autódromo 17 de Octubre" after the date of Loyalty Day until Perón's overthrow. It was later renamed after Argentinian racing driver brothers, Juan Gálvez and Oscar Alfredo Gálvez.
Autódromo Rosendo Hernández The Autódromo Rosendo Hernández is a motorsports circuit located in San Luis, Argentina. It has hosted events in the TC2000, Turismo Carretera and Formula Renault series, as well as the World RX of Argentina of the FIA World Rallycross Championship in 2014. The circuit is close to Potrero de los Funes Circuit, which hosted the FIA GT Championship.