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?
1957 1000 km Buenos Aires The 1957 1000 km Buenos Aires took place on 20 January, on the Circuito de la Costanera Norte, (Buenos Aires, Argentina). It was the fourth running of the race, and once again, it was opening round of the F.I.A. World Sports Car Championship. For this event, was moved from its previous venue, the Autódromo Municipal-Avenida Paz, only to return to the Autódromo in 1958.
1947 Buenos Aires Grand Prix (II) The second of two 1947 Buenos Aires Grand Prix (official name: I Gran Premio de Eva Duarte Perón, also known as the II Gran Premio Ciudad de Buenos Aires) was a Grand Prix motor race held at the Retiro street circuit in Buenos Aires on February 15–16, 1947. Competitions opened on February 15 with two preliminary rounds of the Mecánica Argentina - Fuerza Limitada and Mecánica Argentina - Fuerza Libre classes for a combined final which determined the qualification for the February 16, Formula Libre main event.