1966 / USAC National Championship Trail
Mar
20
1966 USAC Jimmy Bryan 150
Phoenix International Raceway
Apr
24
1966 USAC Trenton 150
Trenton Speedway
May
30
1966 USAC Indianapolis 500
Indianapolis Motor Speedway
Jun
5
1966 USAC Rex Mays 100
The Milwaukee Mile Speedway
Jun
12
1966 USAC Langhorne 100
Langhorne Speedway
Jun
26
1966 USAC Atlanta 300
Atlanta Motor Speedway
Jul
24
1966 USAC Hoosier Grand Prix 150
Indianapolis Raceway Park
Aug
7
1966 USAC Langhorne 150
Langhorne Speedway
Aug
20
1966 USAC Bettenhausen Memorial 100
Springfield Raceway
Aug
27
1966 USAC Tony Bettenhausen 200
The Milwaukee Mile Speedway
Sep
5
1966 USAC Ted Horn Memorial 100
DuQuoin State Fairgrounds
Sep
10
1966 USAC Hoosier Hundred
Indiana State Fairgrounds
Sep
25
1966 USAC Trenton 200
Trenton Speedway
Oct
23
1966 USAC Golden State 100
Sacramento Raceway Park
Nov
20
1966 USAC Bobby Ball 200
Phoenix International Raceway