Louis Disbrow drove a Pope-Hartford to victory in the 100 mile AAA Championship Pablo Beach Road Race in Jacksonville, Florida. Disbrow averaged 76.5 mph.
Rolla Vollstedt buys the first Offenhauser engine built for rear-engine application. It was put in the Bryant Heating Special which finished 15th in the Indianapolis 500 with Len Sutton at the wheel.
Mario Andretti, driving an F1 Ferrari 312B, won the F1/F5000 Questor Grand Prix at Ontario Motor Speedway in California.
Larry Dickson won the 40 lap USAC Sprint Car race at the Reading Fairgrounds Speedway, Reading, PA. Dick Tobias finished second followed by Larry Cannon, Johnny Parsons and Darl Harrison.
Sheldon Kinser won the 40 lap USAC Sprint Car race at the Eldora Speedway, Rossburg, OH. Joe Saldana finished second followed by Bubby Jones, Tom Bigelow and James McElreath.
Keith Kauffman won the Super Sprint Car race at the Reading Fairgrounds Speedway, Reading, PA. Dub May finished second followed by Paul Pitzer, Bobby Allen and Rick Schmelyun.
Gary Patterson won the NARC Sprint Car race at the West Capital Raceway, Sacramento,CA. Jimmy Boyd finished second followed by Jimmy Sills, Mike Andreetta and Johnny Anderson.
Kramer Williamson won the KARS Super Sprint Car race at the Williams Grove Speedway, Williams Grove,PA. Ed Zirkle finished second followed by Lynn Paxton, Randy Ruth and Joe Surniak.
Rick Mears drove a Penske/Cosworth to victory in the 150 mile CART Indy Car race at Phoenix International Raceway. Bobby Rahal made his first Indy Car start.
Cale Yarborough wins the Hodg. Car. 500 over Terry Labonte at the North Carolina Speedway , Rockingham, NC.
Greg Sacks won the Dogwood 500 Modified Stock Car race over Richie Evans, Jim Spencer, Roger Treichler, Reggie Ruggiero and Jamie Tomaino at the Martinsville Speedway , Martinsville, VA.
Jake Neuman won the 30-lap POWRi Lucas Oil National & West Midget League Feature at the Port City Raceway, Tulsa, OK. Neuman also broke the four-race win streak of Michael "Buddy" Kofoid to end the night. Emerson Axsom finished second followed by Buddy Kofoid, Daison Pursley and Cannon McIntosh.