| Fin | St | Driver | # | Owner | Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Jackie Stewart | 43 | John Mecom Jr. | Lola T90 SL-90-01/Ford | 80 | 11,700 | running | 59 |
| 2 | 3 | Bobby Unser | 5 | Weinberger & Wilseck | Eagle 206/Ford | 80 | 6,650 | running | 0 |
| 3 | 14 | Arnold Knepper | 37 | DVS | Cecil 66 1/Ford | 77 | 4,250 | running | 0 |
| 4 | 11 | Gary Congdon | 53 | Tassi Vatis | Huffaker 64/Offenhauser | 77 | 2,000 | running | 0 |
| 5 | 2 | Graham Hill | 24 | John Mecom Jr. | Lola T90 SL-90-02/Ford | 76 | 1,730 | ignition | 9 |
| 6 | 17 | Larry Dickson | 7 | Gordon Van Liew | Gerhardt/Ford | 76 | 1,550 | runnning | 0 |
| 7 | 12 | Bill Cheesbourg | 94 | Fred Gerhardt | Gerhardt 65 002/Offenhauser | 76 | 1,450 | running | 0 |
| 8 | 20 | Bobby Grim | 39 | Racing Associates | 1963 Watson 6/Offenhauser TC | 72 | 1,250 | running | 0 |
| 9 | 6 | Billy Foster | 27 | Jim Robbins | Vollstedt 66/Ford | 70 | 1,150 | rear end | 12 |
| 10 | 8 | Jerry Grant | 93 | J. Frank Harrison | Eisert 65 2/Chevrolet | 70 | 1,050 | running | 0 |
| 11 | 15 | Chuck Hulse | 74 | Henry Blum | 1964 Blum 1/Offenhauser | 69 | 950 | running | 0 |
| 12 | 4 | Lloyd Ruby | 29 | Dan Gurney | Lotus 38 3/Ford | 67 | 850 | running | 0 |
| 13 | 18 | John Hollansworth | 42 | John Hollansworth | 1960 Salih 2/Offenhauser | 66 | 800 | running | 0 |
| 14 | 5 | Chris Amon | 66 | Jim Robbins | Vollstedt 65 7/Ford | 56 | 750 | accident | 0 |
| 15 | 7 | Jim Hurtubise | 56 | Fred Gerhardt | Gerhardt 66/Offenhauser SC | 54 | 725 | valve | 0 |
| 16 | 9 | Greg Weld | 96 | J. Frank Harrison | Eisert 66 3/Ford | 47 | 700 | rear end | 0 |
| 17 | 10 | Jim McElreath | 14 | Dan Gurney | Eagle 208/Ford | 32 | 675 | oil leak | 0 |
| 18 | 13 | Sam Sessions | 34 | Michner Petroleum | Lola T80/Ford | 29 | 650 | accident | 0 |
| 19 | 21 | Al Miller | 85 | Myron Caves | Gerhardt 66/Offenhauser SC | 27 | 630 | disqualified | 0 |
| 20 | 16 | Bud Tinglestad | 22 | Federal Automotive Associates | Gerhardt 66/Offenhauser | 16 | 600 | rear shock | 0 |
| 21 | 22 | Carl Williams | 41 | George R. Bryant | BRP 65/Ford | 15 | 595 | fuel pump | 0 |
| 22 | 19 | Ronnie Duman | 11 | Gordon Van Liew | Huffaker/Offenhauser TC | 10 | 590 | gearbox | 0 |
| 23 | 23 | Mario Andretti | 1 | Dean Racing Enterprises | Hawk I/Ford | 0 | did not start | 0 | |
| 24 | 24 | Jim Clark | 19 | STP Corporation | Lotus 38/Ford | 0 | did not start | 0 | |
| 25 | 25 | Al Unser | 26 | John Mecom Jr. | Lola T90 SL-90-03/Offenhauser SC | 0 | did not start | 0 | |
| 26 | 26 | Bob Harkey | 28 | George R. Bryant | BRP 65/Offenhauser | 0 | did not start | 0 | |
| 27 | 27 | Wally Dallenbach | 54 | Tassi Vatis | Huffaker 64/Offenhauser | 0 | did not start | 0 | |
| 28 | 28 | Bob Wente | 65 | Ernest Ruiz | Gerhardt/Offenhauser | 0 | did not start | 0 | |
| 29 | 29 | Gordon Johncock | 72 | Weinberger & Wilseck | Gerhardt 66/Ford | 0 | did not start | 0 | |
| 30 | 30 | Art Pollard | 76 | GCR | Gerhardt 66/Offenhauser SC | 0 | did not start | 0 | |
| 31 | 31 | Rick Muther | 77 | George Walther | Gerhardt 66/Ford | 0 | did not start | 0 | |
| 32 | 32 | Dick Atkins | 98 | J.C. Agajanian | Shrike 66/Offenhauser SC | 0 | did not start | 0 |