Indianapolis 500
Bobby Unser, Penske PC-9B Cosworth, leads Mike Mosley, All American Racers, Eagle 81 Chevrolet, Johnny Rutherford, Chapparal 2K Cosworth, A. J. Foyt, Gilmore-Foyt Racing, Coyote 80 Cosworth, and Josele Garza, Psachie-Garza Racing, Penske PC-9 Cosworth.