Jimmy Bryan won the AAA Eastern Sprint Car race over Tommy Hinnershitz at the Trenton International Speedway, Trenton, NJ.
Mario Andretti won the Joe James / Pat O'Connor Memorial 100 USAC Sprint Car race at the Salem Speedway, Salem, IN. Don Branson finished second followed by Jud Larson, Dave Norris and Johnny Rutherford.
Al Unser won the USAC sanctioned Golden State 100 on the 1-mile dirt oval California State Fairgrounds in Sacramento, CA. George Snider was second followed by Billy Vukovich Jr, Greg Weld and Roger McCluskey.
Terry Labonte won the NASCAR Winston Cup Holly Farms 400 over Dale Earnhardt at the North Wilkesboro Speedway, North Wilkesboro, NC.