1978 USAC National Championship Schedule
| Race | Type | Country | Date (ET) | Winner |
|---|---|---|---|---|
| Phoenix Phoenix Raceway |
Oval |  |
March 18 |
G. Johncock Wildcat-Offy |
| Ontario Ontario Motor Speedway |
Oval | |
March 26 |
D. Ongais Parnelli-Cosworth |
| Texas Texas World Speedway |
Oval | |
April 15 |
D. Ongais Parnelli-Cosworth |
| Trenton Trenton Speedway |
Oval | |
April 23 |
G. Johncock Wildcat-Offy |
| Indianapolis 500 Indianapolis |
Oval | |
May 28 |
A. Unser Lola-Cosworth |
| Mosport Mosport International Raceway |
Roadcourse |  |
June 11 |
D. Ongais Parnelli-Cosworth |
| Rex Mays Classic Milwaukee Mile |
Oval | |
June 18 |
R. Mears Penske-Cosworth |
| Pocono Pocono |
Oval | |
June 25 |
A. Unser Lola-Cosworth |
| Michigan Michigan International Raceway |
Oval | |
July 16 |
J. Rutherford McLaren-Cosworth |
| Atlanta Atlanta Motor Speedway |
Oval | |
July 23 |
R. Mears Penske-Cosworth |
| Texas Texas World Speedway |
Oval | |
August 6 |
A. Foyt Coyote-Foyt |
| Tony Bettenhausen 200 Milwaukee Mile |
Oval | |
August 20 |
D. Ongais Parnelli-Cosworth |
| Ontario Ontario Motor Speedway |
Oval | |
September 3 |
A. Unser Lola-Cosworth |
| Michigan Michigan International Raceway |
Oval | |
September 16 |
D. Ongais Parnelli-Cosworth |
| Trenton Trenton Speedway |
Oval | |
September 23 |
M. Andretti Penske-Cosworth |
| Silverstone Silverstone |
Roadcourse |  |
October 1 |
A. Foyt Coyote-Foyt |
| Brands Hatch Brands Hatch |
Roadcourse | |
October 7 |
R. Mears Penske-Cosworth |
| Phoenix Phoenix Raceway |
Oval | |
October 28 |
J. Rutherford McLaren-Cosworth |