Race Result
| GP n. 172 - 06/10/1968 - Grand Prix of the United States Watkins Glen International |
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| Winner: | Jackie Stewart / Matra-Ford - 1:59'20.29 | ||||||
| Pole Position: | Mario Andretti / Lotus-Ford - 1:04.20 | ||||||
| Fastest Lap: | Jackie Stewart / Matra-Ford - 1:05.22 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 15 |  Jackie Stewart |
Matra-Ford | 108 | 1:59'20.29 | 2 | 9 |
| 2 | 10 | Graham Hill |
Lotus-Ford | 108 | + 24.68 | 3 | 6 |
| 3 | 5 | John Surtees |
Honda | 107 | + 1 lap | 9 | 4 |
| 4 | 14 |  Dan Gurney |
McLaren-Ford | 107 | + 1 lap | 7 | 3 |
| 5 | 16 |  Jo Siffert |
Lotus-Ford | 105 | + 3 laps | 12 | 2 |
| 6 | 2 |  Bruce McLaren |
McLaren-Ford | 103 | + 5 laps | 10 | 1 |
| Nc | 19 |  Lucien Bianchi |
Cooper-BRM | 88 | not classified | 20 | 0 |
| Nc | 17 |  Jo Bonnier |
McLaren-BRM | 62 | not classified | 18 | 0 |
| Ret | 22 | Piers Courage |
BRM | 93 | out of fuel | 14 | 0 |
| Ret | 1 | Denny Hulme |
McLaren-Ford | 92 | accident | 5 | 0 |
| Ret | 3 |  Jack Brabham |
Brabham-Repco | 77 | engine | 8 | 0 |
| Ret | 4 |  Jochen Rindt |
Brabham-Repco | 73 | engine | 6 | 0 |
| Ret | 18 | Vic Elford |
Cooper-BRM | 71 | engine | 17 | 0 |
| Ret | 8 |  Pedro Rodriguez |
BRM | 66 | suspension | 11 | 0 |
| Ret | 6 | Chris Amon |
Ferrari | 59 | water pump | 4 | 0 |
| Ret | 21 |  Jean Pierre Beltoise |
Matra | 44 | transmission | 13 | 0 |
| Ret | 9 | Bobby Unser |
BRM | 35 | engine | 19 | 0 |
| Ret | 12 | Mario Andretti |
Lotus-Ford | 32 | clutch | 1 | 0 |
| Ret | 7 | Derek Bell |
Ferrari | 14 | engine | 15 | 0 |
| Dns | 11 | Jackie Oliver |
Lotus-Ford | did not start | 16 | 0 | |