| Fin | St | Driver | # | Owner | Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Mark Donohue | 6 | Roger Penske | Porsche 917/30 003 | 66 | 12,700 | running | 22 |
| 2 | 5 | Jackie Oliver | 101 | Don Nichols | Shadow DN2 1A/Chevrolet | 65 | 10,183 | running | |
| 3 | 6 | Hurley Haywood | 59 | Brumos Racing | Porsche 917/10 007 | 65 | 8,000 | running | |
| 4 | 17 | Bobby Brown | 97 | Commander Motor Homes | McLaren M8F 1/Chevrolet | 64 | 4,333 | running | |
| 5 | 15 | Milt Minter | 33 | Otto Zipper Alfa Racing | Alfa Romeo T33/3 75080-023 | 64 | 4,200 | running | |
| 6 | 20 | Bob Nagel | 17 | Nagel Racing | Lola T260 HU1/Chevrolet | 63 | 3,434 | running | |
| 7 | 11 | Bob Peckham | 64 | Bob Peckham | McLaren M8C Chevrolet | 63 | 3,100 | running | |
| 8 | 10 | Scooter Patrick | 8 | U.S. Racing | McLaren M8D 3/Chevrolet | 62 | 3,400 | running | |
| 9 | 9 | David Hobbs | 73 | Roy Woods Racing | McLaren M20 1/Chevrolet | 56 | 1,866 | running | |
| 10 | 14 | Steve Durst | 11 | Motschenbacher Racing | McLaren M8F 72-07/Chevrolet | 49 | 1,666 | brakes | |
| 11 | 3 | George Follmer | 16 | Rinzler Motoracing/Royal Crown | Porsche 917/10 003 | 44 | 6,200 | turbocharger | |
| 12 | 4 | Brian Redman | 3 | Vasek Polak Racing Inc. | Porsche 917 028 | 30 | 4,723 | engine | |
| 13 | 7 | Charlie Kemp | 23 | Rinzler Motoracing/Royal Crown | Porsche 917/10 005 | 27 | 1,265 | suspension | |
| 14 | 23 | John Cordts | 9 | William Overhauser Racing | McLaren M8D 4/Chevrolet | 26 | 1,000 | oil leak | |
| 15 | 18 | Vic Elford | 102 | Don Nichols | Shadow DN2 2A/Chevrolet | 22 | 1,000 | brakes | |
| 16 | 2 | Jody Scheckter | 0 | Vasek Polak Racing Inc. | Porsche 917/10 018 | 11 | 1,000 | clutch | |
| 17 | 13 | John Cannon | 96 | Commander Motor Homes | McLaren M20 2/Chevrolet | 3 | 1,000 | body damage | |
| 18 | 16 | Bill Cuddy | 4 | Cuddy Racing Inc. | McLaren M8E 80-04/Chevrolet | 2 | 1,334 | accident | |
| 19 | 22 | Tony Settember | 27 | Tony Settember | Lola T163 SL163-19/Chevrolet | 2 | 1,067 | head gasket | |
| 20 | 19 | Ed Felter | 47 | Blue Magic Corp. | McLaren M8E Chevrolet | 2 | 1,000 | accident | |
| 21 | 24 | Tom Dutton | 34 | Burmester Racing | McLaren M8C 70-10/Chevrolet | 2 | 667 | accident | |
| 22 | 21 | David Saville-Peck | 45 | David Saville-Peck | Costello SP7 Oldsmobile | 2 | 667 | accident | |
| 23 | 12 | John Gunn | 39 | Tom Heyser | Lola T260 HU2/Chevrolet | 2 | 667 | fuel injection | |
| 24 | 8 | John Cannon | 98 | Commander Motor Homes | McLaren M8F 72-09/Chevrolet | 0 | did not start | 0 |