| GP of the USA Watkins Glen 2-10-1966, 108 laps of 3,7 km, Total distance 399.710 m | |||||
| Pos | No | Driver | Team-engine | Diff | Reason |
| 1 | 4 | Jim Clark | Lotus-B.R.M. | 2:09:40.1 | - |
| 2 | - | Jochen Rindt | Cooper-Maserati | -1 lap | - |
| 3 | - | John Surtees | Cooper-Maserati | -1 laps | - |
| 4 | - | Jo Siffert | Cooper-Maserati | -1 laps | - |
| 5 | - | Bruce McLaren | McLaren-Ford | -3 laps | - |
| 6 | - | Peter Arundell | Lotus-Climax | -7 laps | - |
| 7 | - | Richie Ginther | Honda | -27 laps | - |
| 8 | - | Jo Bonnier | Cooper-Maserati | -51 laps | - |
| 9 | - | Innes Ireland | B.R.M. | 97 laps | Alternator |
| 10 | - | Mike Spence | Lotus-B.R.M. | 75 laps | Ignition |
| 11 | - | Ronnie Bucknum | Honda | 59 laps | Engine |
| 12 | - | Jack Brabham | Brabham-Repco | 56 laps | Engine |
| 13 | 12 | Jackie Stewart | B.R.M. | 54 laps | Engine |
| 14 | 11 | Graham Hill | B.R.M. | 53 laps | Wheel |
| 15 | - | Lorenzo Bandini | Ferrari | 35 laps | Engine |
| 16 | - | Denny Hulme | Brabham-Repco | 19 laps | Oil pressure |
| 17 | - | Dan Gurney | Eagle-Climax | 14 laps | Clucth |
| 18 | - | Pedro Rodriguez | Lotus-B.R.M. | 14 laps | Starter |
| 19 | - | Bob Bondurant | Eagle-Climax | 6 laps | Disqualified |
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