| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Engine | Owner | Qualifying Time | Laps | X Led | Laps Led | Points |
| 2005 | 14 | 27 | 26 | GT | 10 | 73 | Tafel Racing | Porsche GT3 Cup | Tafel | | 72 | 0 | 0 | 21 |
| 2006 | 5 | 32 | 31 | GT | 12 | 73 | NEC | Porsche GT3 Cup | Tafel | | 71 | 0 | 0 | 19 |
| 2007 | 4 | 3 | 4 | GT | 4 | 72 | Tornos/Dunkel Bros./ANCA/North South Machinery | Porsche GT3 Cup | Tafel | 1:55.348 | 75 | 1 | 1 | 28 |
| 2008 | 4 | 21 | 16 | GT | 1 | 57 | StevensonAuto.com/Bryan Mark Financial | Pontiac GXP.R | Stevenson | 1:53.580 | 74 | 0 | 0 | 35 |
| 2009 | 2 | 21 | 14 | GT | 1 | 57 | BryanMark/Stevenson Automotive Group/VIN Solutions | Pontiac GXP.R | Stevenson | 1:52.464 | 78 | 0 | 0 | 35 |
| 2010 | 4 | 16 | 18 | GT | 7 | 57 | Stevenson Auto Group/VIN Solutions/Bryan Mark Financial | Chevrolet Camaro GT.R | Stevenson | 1:51.574 | 80 | 0 | 0 | 24 |
| 2011 | 4 | 16 | 12 | GT | 5 | 59 | Brumos Racing | Porsche GT3 Cup | Brumos | 1:54.976 | 62 | 0 | 0 | 26 |
