Circuito Retiro
The Circuito Retiro, commonly known as the Retiro Circuit was a Grand Prix street circuit in Buenos Aires. The circuit is best known for hosting the first official [Buenos Aires Grand Prix motor racing|Grand Prix (motor racing)|Buenos Aires Grand Prix] on February 9, 1947, as the first organized international event by the Automóvil Club Argentino.
The 1947 Grand Prix at Retiro marks the start of the South American Temporada racing series.