1966 USAC National Championship Kalender
| Race | Type | Land | Datum | Winnaar |
|---|---|---|---|---|
| Jimmy Bryan Memorial Phoenix Raceway |
Oval |  |
20 Maart |
J. McElreath Brabham-Ford |
| Trenton Trenton Speedway |
Oval | |
24 April |
R. Ward Lola-Drake-Offy |
| Indianapolis 500 Indianapolis |
Oval | |
30 Mei |
G. Hill Lola-Ford |
| Rex Mays Classic Milwaukee Mile |
Oval | |
05 Juni |
M. Andretti Hawk-Ford |
| Langhorne Langhorne Speedway |
Oval | |
12 Juni |
M. Andretti Hawk-Ford |
| Atlanta Atlanta Motor Speedway |
Oval | |
26 Juni |
M. Andretti Hawk-Ford |
| Pikes Peak Auto Hill Climb Pikes Peak |
Heuvelklim | |
04 Juli |
B. Unser Unser-Chevrolet |
| Indianapolis Indianapolis Raceway Park |
Permanent | |
24 Juli |
M. Andretti Hawk-Ford |
| Langhorne Langhorne Speedway |
Oval | |
07 Augustus |
R. McCluskey Eagle-Ford |
| Tony Bettenhausen Memorial Illinois State Fairgrounds Racetrack |
Dirt Track | |
20 Augustus |
D. Branson Watson-Offy |
| Tony Bettenhausen 200 Milwaukee Mile |
Oval | |
27 Augustus |
M. Andretti Hawk-Ford |
| Ted Horn Memorial DuQuoin State Fairgrounds |
Dirt Track | |
05 September |
B. Tingelstad Meskowski-Offy |
| Indianapolis Indiana State Fairgrounds |
Dirt Track | |
10 September |
M. Andretti Kuzma-Offy |
| Trenton Trenton Speedway |
Oval | |
25 September |
M. Andretti Hawk-Ford |
| Sacramento California State Fairgrounds Race Track |
Dirt Track | |
23 Oktober |
D. Atkins Watson-Offy |
| Bobby Ball Memorial Phoenix Raceway |
Oval | |
20 November |
M. Andretti Hawk-Ford |