1977 / USAC National Championship Trail
Mar
6
1977 USAC Datsun Twin 200s
Ontario Motor Speedway
Mar
27
1977 USAC Jimmy Bryan 150
Phoenix International Raceway
Apr
2
1977 USAC Texas Grand Prix 200
Texas World Speedway
Apr
30
1977 USAC Trenton 200
Trenton Speedway
May
29
1977 USAC Indianapolis 500
Indianapolis Motor Speedway
Jun
12
1977 USAC Rex Mays 150
The Milwaukee Mile Speedway
Jun
26
1977 USAC Schaefer 500
Pocono Raceway
Jul
3
1977 USAC Molson Diamond Indy 300
Mosport Park
Jul
17
1977 USAC Norton 200
Michigan International Speedway
Jul
31
1977 USAC American Parts 200
Texas World Speedway
Aug
21
1977 USAC Tony Bettenhausen 200
The Milwaukee Mile Speedway
Sep
4
1977 USAC California 500
Ontario Motor Speedway
Sep
17
1977 USAC Michigan Grand Prix 150
Michigan International Speedway
Oct
29
1977 USAC Bobby Ball 150
Phoenix International Raceway