Circuito Costanera (Buenos Aires)

The Circuito Costanera (commonly known as the Costanera Circuit), was a Grand Prix circuit in Buenos Aires (Argentina). Two variants are known to have existed under Circuito "Avenida" Costanera and Costanera "Sur" which are listed by a few data sources as circuits used for the 1930, 1932 and 1936 Buenos Aires races.[1][2][3][4] Verifiable records can only confirm the Costanera Norte circuit layouts for the 1951 V Gran Premio General Perón (Feb. 18), V Gran Premio Eva Perón (Feb. 25), Gran Premio Eva Perón (Ciudad) Sport (March 18) and the 1957 1000 km de Buenos Aires.

Circuito Costanera Norte

Buenos Aires 1000km Circuit (1957) Costanera Norte Circuit (1951)
Location	Aeroparque Newbery Palermo Buenos Aires
Time zone	UTC-03:00
Coordinates	34°33′30″S 58°24′37″W
Opened	1932
Closed	January 1957
Major events	1000 km Buenos Aires (1957) Buenos Aires Grand Prix (1936, 1951)
Buenos Aires 1000km Circuit (1957)
Length	3.500 km (2.175 miles)
Turns	13
Race lap record	3:36.000 ( Stirling Moss, Maserati 300S, 1957, Sports car racing)
Costanera Norte Circuit (1951)
Length	3.500 km (2.175 miles)
Turns	7
Race lap record	1:58.600 ( José Froilán González, Ferrari 166 FL, 1951, Formula Libre)
Costanera Sur Circuit (1932–1936)
Length	2.650 km (1.640 miles)
Race lap record	1:20.100 ( Carlos Zatuszek, Mercedes-Benz SSK, 1936, Formula Libre)

The 1951 circuit used a 3.500 km (2.175 mi) long layout of the wide service roads at the Jorge Newbery Airport (built in 1947 as the "Aeroparque 17 de Octubre") and the connecting access loop at the south end of the air field. For the 1957 1000 km of Buenos Aires, the last race at Costanera Buenos Aires, the circuit layout was extended to a 10.219 km (6.350 mi) long configuration, utilizing the Parque Norte loop north of the airport complex.