Bill Lester Grand-Am Rolex Series results at Watkins Glen
| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Engine | Owner | Qualifying Time | Laps | X Led | Laps Led | Points |
| 2008 | 7 | 9 | 29 | DP | 17 | 3 | Southard Motorsports | Lexus Riley | Southard | 1:46.114 | 165 | 0 | 0 | 14 |
| 2008 | 12 | 11 | 15 | DP | 15 | 3 | Southard Motorsports | Lexus Riley | Southard | 1:06.666 | 78 | 0 | 0 | 16 |
| 2009 | 5 | 15 | 8 | DP | 8 | 45 | Orbit Racing | BMW Riley | Orbit | 1:45.188 | 186 | 0 | 0 | 23 |
| 2009 | 9 | 13 | 5 | DP | 5 | 45 | Orbit Racing | BMW Riley | Orbit | 1:07.499 | 93 | 0 | 0 | 26 |
| 2010 | 6 | 13 | 12 | DP | 12 | 7 | Flex-Box | BMW Riley | Starworks | no time | 180 | 0 | 0 | 19 |
| 2010 | 10 | 10 | 28 | DP | 13 | 7 | Starworks Motorsport | BMW Riley | Starworks | 1:16.259 | 1 | 0 | 0 | 18 |
| 2011 | 6 | 10 | 8 | GT | 2 | 88 | Autohaus Motorsports | Chevrolet Camaro GT.R | Autohaus | 1:51.939 | 164 | 0 | 0 | 32 |
| 2011 | 10 | 27 | 13 | GT | 2 | 88 | Autohaus Motorsports | Chevrolet Camaro GT.R | Autohaus | 1:18.273 | 93 | 0 | 0 | 32 |
