Jan Lammers Grand-Am Rolex Series results at Watkins Glen
Back to Jan Lammers career stats
| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Engine | Owner | Qualifying Time | Laps | X Led | Laps Led | Points |
| 2004 | 5 | 12 | 7 | DP | 7 | 2 | CITGO | Pontiac Crawford | Howard-Boss | 1:48.710 | 162 | 0 | 0 | 24 |
| 2004 | 8 | 3 | 15 | DP | 12 | 2 | CITGO | Pontiac Crawford | Howard-Boss | 67 | 0 | 0 | 19 | |
| 2005 | 6 | 20 | 12 | DP | 12 | 2 | CITGO | Pontiac Crawford | Howard-Boss | 1:52.466 | 148 | 0 | 0 | 19 |
| 2005 | 9 | 19 | 6 | DP | 6 | 2 | CITGO | Pontiac Crawford | Howard-Boss | 1:11.719 | 75 | 0 | 0 | 25 |
