1931 / AAA National Championship Trail
May
30
XIX International 500 Mile Sweepstakes
Indianapolis Motor Speedway
Jun
14
1931 AAA Championship Detroit 100
Michigan State Fairgrounds Speedway
Jul
4
1931 AAA Championship Altoona 100
Altoona Speedway
Sep
7
1931 AAA Championship Altoona 2 100
Altoona Speedway
Sep
12
1931 AAA Championship Syracuse 100
New York State Fairgrounds