| Circuit | Gavea – Rio de Janeiro |
| Date | 06.06.1937 |
| Laps | 25 |
| Distance | Approx. 279,000 km / 173,400 miles |
| No | Driver | Alfa Romeo | S/N | Team | Result |
|
34
|
Antonio Brivio
|
Alfa Romeo 12 C 3600
|
–
|
Scuderia Ferrari
|
3.
|
|
40
|
Carlo Maria Pintacuda
|
Alfa Romeo 8C 3500
|
–
|
Scuderia Ferrari
|
1.
|