Mario Andretti drove his Dean Van Lines Ford powered Brawner-Hawk to victory in the 150 mile USAC Championship race on the Indianapolis Raceway Park 1.875 Mile Paved road course. Al Unser was second followed by Jim McElreath, Bobby Unser and Gordon Johncock.
Frank Gorichky won the Sprint Car race over Ron Anderson, Hank Jacoby, Ted Wise and Lou Blaney at the Blanket Hill Speedway, Kittanning,PA.
Bob Wente won the USAC Midget race over Henry Pens, Merle Bettenhausen, Sonny Ates and Billy Engelhart at the Elko Speedway, Minneapolis,MN.
Bill Banick won the Sprint Car race at the Lernerville Speedway, Sarver,PA. Ralph Quarterson finished second followed by Ed Murphy, Frank Raiti and Chuck Engstrom.
Tom Sneva won the Supermodified race at the Salt Lake City Fairgrounds, Salt Lake City,UT.
Mitch Smith, in the Gary's Auto Wrecker # 5, won the Super Sprint Car race over Jim Sheaffer, Kenny Weld, Bobby Allen and Gene Kohr at the Williams Grove Speedway, Williams Grove,PA.
Chuck Amati won the Sprint Car race at the Williamson County Fairgrounds, Marion,IL.
Steve Chassey won the CRA Sprint Car race over Dick Zimmerman, Lealand McSpadden, Billy Wilkerson and Walt Kennedy at the Corona Raceway, Corona,CA. ( Click here for the race report. )
Larry Dickson won the USAC Sprint Car race over Bruce Walkup, Rollie Beale, Gary Bettenhausen and Karl Busson at the Eldora Speedway, Rossburg,OH. ( Click here for the race report. )