Mario Andretti won the USAC sanctioned Trenton 300 on the 1.5-mile paved oval Trenton International Speedway in Trenton, NJ. Roger McCluskey was second followed by Bud Tingelstad, Sam Sessions and George Snider.
Kenny Weld won the only USAC race of his career. The victory came at the Reading Fairgrounds in a sprint car built by Floyd Trevis and owned by Bob Weikert. All three are in the National Sprint Car Hall of Fame.
Gordon Johncock won the USAC sanctioned Trenton 150 on the 1.5-mile paved oval Trenton International Speedway in Trenton, NJ. A.J. Foyt was second followed by Johnny Rutherford, Al Unser and Wally Dallenbach.
Richard Petty won the NASCAR Winston Cup Wilkes 400 over Cale Yarborough at the North Wilkesboro Speedway, North Wilkesboro, NC.
Dave Kelly won the 35 lap United Racing Club Sprint Car race over Midge Miller and Garry Gollub at the Fayetteville (NC) Motor Speedway. (Click here for the race report.)
Rusty Wallace won the NASCAR Winston Cup Goody's 500 over Geoff Bodine at the Martinsville Speedway, Martinsville, VA.