Mark Donohue's Porsche 917/10K
Jerry Grant's McLaren M8F
Milt Minter's Porsche 917/10
George Follmer's Porsche 917/10K
Peter Revson's McLaren M20 retires.
Peter Revson walks back to the pits after retiring.
Tom Heyser's ex-Jackie Stewart Lola T-260
Milt Minter's Vasek Polak Posche 917/10
Jackie Oliver's UOP Shadow Mk. 3
Jerry Grant's US Racing McLaren M8F