1968 USAC National Championship Schedule
| Race | Type | Country | Date (ET) | Winner |
|---|---|---|---|---|
| Hanford Hanford Motor Speedway |
Oval |  |
March 17 |
G. Johncock Gerhardt-Drake-Offy |
| Las Vegas Stardust International Raceway |
Roadcourse | |
March 31 |
B. Unser Eagle-Ford |
| Jimmy Bryan 150 Phoenix Raceway |
Oval | |
April 7 |
B. Unser Eagle-Drake-Offy |
| Trenton Trenton Speedway |
Oval | |
April 21 |
B. Unser Eagle-Drake-Offy |
| Indianapolis 500 Indianapolis |
Oval | |
May 30 |
B. Unser Eagle-Drake-Offy |
| Rex Mays Classic Milwaukee Mile |
Oval | |
June 9 |
L. Ruby Mongoose-Drake-Offy |
| Mosport Mosport International Raceway |
Roadcourse |  |
June 15 |
D.. Gurney Eagle-Westlake-Ford |
| Mosport Mosport International Raceway |
Roadcourse | |
June 15 |
D.. Gurney Eagle-Westlake-Ford |
| Langhorne Langhorne Speedway |
Oval | |
June 23 |
G. Johncock Gerhardt-Drake-Offy |
| Pikes Peak Auto Hill Climb Pikes Peak |
Hill Climb | |
June 30 |
B. Unser Unser-Chevrolet |
| Castle Rock Continental Divide Raceways |
Roadcourse | |
July 7 |
A. Foyt Coyote-Ford |
| Nazareth Nazareth Speedway |
Dirt Track | |
July 13 |
A. Unser Ward-Offy |
| Indianapolis Indianapolis Raceway Park |
Roadcourse | |
July 21 |
A. Unser Lola-Ford |
| Indianapolis Indianapolis Raceway Park |
Roadcourse | |
July 21 |
A. Unser Lola-Ford |
| Langhorne Langhorne Speedway |
Oval | |
July 28 |
A. Unser Lola-Ford |
| Langhorne Langhorne Speedway |
Oval | |
July 28 |
A. Unser Lola-Ford |
| St. Jovite Mont-Tremblant |
Roadcourse | |
August 4 |
M. Andretti Hawk-Ford |
| St. Jovite Mont-Tremblant |
Roadcourse | |
August 4 |
M. Andretti Hawk-Ford |
| Tony Bettenhausen 100 Illinois State Fairgrounds Racetrack |
Dirt Track | |
August 17 |
R. McCluskey Meskowski-Offy |
| Tony Bettenhausen 200 Milwaukee Mile |
Oval | |
August 18 |
L. Ruby Mongoose-Drake-Offy |
| Ted Horn Memorial DuQuoin State Fairgrounds |
Dirt Track | |
September 2 |
M. Andretti Kuzma-Offy |
| Indianapolis Indiana State Fairgrounds |
Dirt Track | |
September 7 |
A. Foyt Meskowski-Offy |
| Trenton Trenton Speedway |
Oval | |
September 22 |
M. Andretti Hawk-Drake-Offy |
| Sacramento California State Fairgrounds Race Track |
Dirt Track | |
September 29 |
A. Foyt Meskowski-Offy |
| Michigan Michigan International Raceway |
Oval | |
October 13 |
R. Bucknum Eagle-Drake-Offy |
| Hanford Hanford Motor Speedway |
Oval | |
November 3 |
A. Foyt Coyote-Ford |
| Bobby Ball 150 Phoenix Raceway |
Oval | |
November 17 |
G. Bettenhausen Gerhardt-Drake-Offy |
| Rex Mays 300 Riverside International Raceway |
Roadcourse | |
December 1 |
D.. Gurney Eagle-Westlake-Ford |