Louis Chevrolet won the AAA sanctioned Harkness Trophy Race on the 2 mile board oval Sheepshead Bay Speedway in Sheepshead Bay, NY. Ralph DePalma was second followed by Eddie Hearne, Ralph Mulford and Ira Vail.
Troy Ruttman won the AAA Eastern Sprint Car race over Tommy Hinnershitz at the Eastern States Expo Speedway, West Springfield, MA.
Mario Andretti won the USAC sanctioned Trenton 200 on the 1 mile paved oval Trenton International Speedway in Trenton, NJ. Roger McCluskey was second followed by Bud Tingelstad, Sam Sessions and Johnny Rutherford.
Dale Earnhardt won the NASCAR Winston Cup Goody's 500 over Darrell Waltrip at the Martinsville Speedway, Martinsville, VA.