1938 Circuito de Gavea Nacional
9 May - Gavea: 223.200 km (11.160 km x 20 laps)

Pole position: 
Fastest lap:  

Results:

1 Arthur Nascimento     Alfa-Romeo B		
2 Francisco Landi       Alfa-Romeo		
3 Luis Caneto           Alfa-Romeo		
4 Geraldo de Avellar    Ford V8		
5 Mario Valentim        Ford V8		

Did Not Finish:					

  Norberto Jung         Ford          Engine
  Domingos Lopes        Hudson
  Antonio Botelho       OM-Chrysler          Accident
  Gino Bianco           Bugatti-Chrysler   1 Accident

Not Classifed					

  Angelo Goncalves      Ford
  Angelo Villa Franca   Stutz
  Antonio Castello      Chrysler
  Cirio Burlini         Fiat-Wanderer
  George Macedo         Alfa-Romeo
  Mauricio Carvalho     Fiat
  Paulo Carvalho        Chrysler
  Quirino Landi         Fiat
  Rubem Abrunhosa       Bugatti-Studebaker
  Serafim Rodrigues     Ford