| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Engine | Owner | Qualifying Time | Laps | X Led | Laps Led | Points |
| 2004 | 1 | 40 | 19 | SGS | 5 | 13 | Foxhill Racing/KAIG/Joe Gibbs Racing | Porsche GT3 Cup | Foxhill | 1:57.025 | 491 | 0 | 0 | 26 |
| 2004 | 6 | 31 | 33 | GT | 8 | 23 | Wilwood/ISAAC/Safety-Kleen/Ohlins/Royal Purple | Pontiac GTO | Horizon | 2:01.980 | 44 | 0 | 0 | 23 |
| 2005 | 1 | 44 | 40 | GT | 22 | 23 | Dynamic Tech/ActionVideoCams.com/Del Vecchio Real Estate/Racepac/Ohlins/Jerico/Safety-Kleen | Pontiac GTO | Horizon | 1:59.462 | 476 | 0 | 0 | 9 |
| 2005 | 7 | 32 | 52 | GT | 27 | 23 | GuPe'.biz/Dynamic Technology/Horizon Motorsports/Rockland Standard Gear/IN MEMORY OF MARY | Pontiac GTO | Horizon | 1:57.692 | 1 | 0 | 0 | 4 |
| 2006 | 1 | 32 | 25 | GT | 12 | 74 | NEC/Rembrandt Charms | Porsche GT3 Cup | Tafel | 1:53.461 | 634 | 0 | 0 | 19 |
| 2007 | 1 | 46 | 69 | GT | 41 | 63 | Team Spencer Motorsports | Mazda RX-8 | Spencer | 1:53.882 | 74 | 0 | 0 | 1 |
| 2008 | 1 | 50 | 39 | GT | 24 | 40 | SoBe | Mazda RX-8 | Hyper Sport | 1:52.528 | 552 | 0 | 0 | 7 |
| 2009 | 1 | 47 | 35 | GT | 22 | 40 | Mazdaspeed | Mazda RX-8 | Dempsey | 1:52.944 | 343 | 0 | 0 | 9 |
| 2010 | 1 | 30 | 13 | GT | 6 | 40 | Mazda | Mazda RX-8 | Dempsey | 1:51.122 | 682 | 0 | 0 | 25 |
| 2010 | 8 | 21 | 26 | GT | 14 | 40 | Mazda USA | Mazda RX-8 | Dempsey | 1:52.484 | 55 | 0 | 0 | 17 |
| 2011 | 1 | 32 | 14 | GT | 3 | 40 | Mazda/Visit Florida | Mazda RX-8 | Dempsey | 1:49.974 | 681 | 0 | 0 | 30 |
| 2012 | 1 | 40 | 21 | GT | 10 | 40 | Visit Florida | Mazda RX-8 | Dempsey | 1:51.416 | 713 | 0 | 0 | 21 |
| 2013 | 1 | 34 | 24 | GT | 15 | 45 | B+ Foundation/Safecraft Restraints/BCKSTGR/Battery Tender/Eagle Tech/Team Seattle/Fall Line | Porsche GT3 Cup | Magnus | 1:49.304 | 656 | 0 | 0 | 16 |
