1941 Gran Premio de Buenos Aires
23 November - Costanera : 40 laps x 2.410 km = 96.4 km
Formula Libre

 Pole Position: N/A
 Fastest Lap:   Canziani  Alfa Romeo   1:17.1

Results:

1  Canziani        Alfa Romeo      53:49.5   
2  Ramos           Alfa Romeo     +   42.0 
3  Chiozza         Mercury        - 1 lap
4  F Landi         Alfa Romeo     - 1 lap
5  Avelar          Alfa Romeo     - 2 laps
6  Forrest Greene  Maserati       - 2 laps
7  Martini         Ford           - 2 laps
8  Brisco          ?              - 4 laps
9  Ochoteco        Alfa Romeo     - 4 laps
10 Pian            Ford           - 4 laps
11 Sessarego       Ford           - 6 laps

Did Not finish:

   Malusardi       Alfa Romeo      31 laps
   Rossi           Ford            27 laps
   Riganti         Maserati