Eddie Rickenbacker won the 300 Mile Sioux City AAA Race on the 2-mile dirt oval Sioux City Speedway in Stevens, SD.
Nick Fornoro won the ARDC Midget race at the Allentown Fairgrounds, Allentown, PA.
Don Branson drove to victory in the 30 lap USAC Sprint Car feature on the high banked 1/2 mile dirt Eldora Speedway in Rossburg, OH.
Mark Donohue won the Pocono 500 USAC Championship race on the 2.5-mile paved oval Pocono International Raceway, Long Pond, PA. Joe Leonard was second followed by A.J. Foyt, Mario Andretti and Billy Vukovich Jr.
A.J. Foyt won the Molson Diamond Indy 300 USAC Championship race on the 2.459-mile road course Mosport Park, Bowmanville, ON. Gary Bettenhausen was second followed by Tom Sneva, Todd Gibson and Jerry Grant.