1968 USAC National Championship Kalender
| Race | Type | Land | Datum | Winnaar |
|---|---|---|---|---|
| Hanford Hanford Motor Speedway |
Oval |  |
17 Maart |
G. Johncock Gerhardt-Drake-Offy |
| Las Vegas Stardust International Raceway |
Permanent | |
31 Maart |
B. Unser Eagle-Ford |
| Jimmy Bryan 150 Phoenix Raceway |
Oval | |
07 April |
B. Unser Eagle-Drake-Offy |
| Trenton Trenton Speedway |
Oval | |
21 April |
B. Unser Eagle-Drake-Offy |
| Indianapolis 500 Indianapolis |
Oval | |
30 Mei |
B. Unser Eagle-Drake-Offy |
| Rex Mays Classic Milwaukee Mile |
Oval | |
09 Juni |
L. Ruby Mongoose-Drake-Offy |
| Mosport Mosport International Raceway |
Permanent |  |
15 Juni |
D.. Gurney Eagle-Westlake-Ford |
| Mosport Mosport International Raceway |
Permanent | |
15 Juni |
D.. Gurney Eagle-Westlake-Ford |
| Langhorne Langhorne Speedway |
Oval | |
23 Juni |
G. Johncock Gerhardt-Drake-Offy |
| Pikes Peak Auto Hill Climb Pikes Peak |
Heuvelklim | |
30 Juni |
B. Unser Unser-Chevrolet |
| Castle Rock Continental Divide Raceways |
Permanent | |
07 Juli |
A. Foyt Coyote-Ford |
| Nazareth Nazareth Speedway |
Dirt Track | |
13 Juli |
A. Unser Ward-Offy |
| Indianapolis Indianapolis Raceway Park |
Permanent | |
21 Juli |
A. Unser Lola-Ford |
| Indianapolis Indianapolis Raceway Park |
Permanent | |
21 Juli |
A. Unser Lola-Ford |
| Langhorne Langhorne Speedway |
Oval | |
28 Juli |
A. Unser Lola-Ford |
| Langhorne Langhorne Speedway |
Oval | |
28 Juli |
A. Unser Lola-Ford |
| St. Jovite Mont-Tremblant |
Permanent | |
04 Augustus |
M. Andretti Hawk-Ford |
| St. Jovite Mont-Tremblant |
Permanent | |
04 Augustus |
M. Andretti Hawk-Ford |
| Tony Bettenhausen 100 Illinois State Fairgrounds Racetrack |
Dirt Track | |
17 Augustus |
R. McCluskey Meskowski-Offy |
| Tony Bettenhausen 200 Milwaukee Mile |
Oval | |
18 Augustus |
L. Ruby Mongoose-Drake-Offy |
| Ted Horn Memorial DuQuoin State Fairgrounds |
Dirt Track | |
02 September |
M. Andretti Kuzma-Offy |
| Indianapolis Indiana State Fairgrounds |
Dirt Track | |
07 September |
A. Foyt Meskowski-Offy |
| Trenton Trenton Speedway |
Oval | |
22 September |
M. Andretti Hawk-Drake-Offy |
| Sacramento California State Fairgrounds Race Track |
Dirt Track | |
29 September |
A. Foyt Meskowski-Offy |
| Michigan Michigan International Raceway |
Oval | |
13 Oktober |
R. Bucknum Eagle-Drake-Offy |
| Hanford Hanford Motor Speedway |
Oval | |
03 November |
A. Foyt Coyote-Ford |
| Bobby Ball 150 Phoenix Raceway |
Oval | |
17 November |
G. Bettenhausen Gerhardt-Drake-Offy |
| Rex Mays 300 Riverside International Raceway |
Permanent | |
01 December |
D.. Gurney Eagle-Westlake-Ford |