The Gates at Indianapolis Motor Speedway open for practice for the first Indy 500.
LeeRoy Yarbrough drove to his first career NASCAR GN victory, winning the 'Savannah 200' on the 1/2 mile dirt Savannah Speedway in Savannah, GA. Jimmy Pardue won the pole, jumped out front and was holding a big lead when the rear end failed on his Burton-Robinson Plymouth on lap 137, giving the lead to Yarbrough. Yarbrough went on to take his Louis Weatherby Plymouth under the checkered flag a lap ahead of Marvin Panch's Wood Brothers Ford. Only 12 cars were on hand and only 8 were running at the finish of the 200 laps.
Jan Opperman won the USAC Tony Hulman Classic Sprint Car race over Pancho Carter, Bubby Jones, Dana Carter and Bruce Walkup at the Terre Haute Action Track, Terre Haute, IN.
Darrell Waltrip won the Winston 500 over Cale Yarborough at the Talladega Superspeedway, Talladega, AL.
Phil Parsons won the Winston 500 over Bobby Allison at the Talladega Superspeedway, Talladega, AL.