| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1999 | 7 | 30 | 32 | GT | 11 | 25 | KTM - Sport Motorcycles | Porsche 911 GT3-R | Porsche 3.6L Flat-6 | Michelin | RWS | | 79 | 0 | 0 | gearbox | 9 |
| 2000 | 10 | 21 | 29 | GT | 12 | 51 | Mobil 1/Michelin | Porsche 911 GT3-R | Porsche 3.6L Flat-6 | Michelin | Barbour | 1:27.411 | 93 | 0 | 0 | running | 8 |
| 2001 | 9 | 18 | 11 | GT | 3 | 23 | McKenna Porsche/Mobil 1/Michelin | Porsche 911 GT3-RS | Porsche 3.6L Flat-6 | Michelin | Job | 1:26.444 | 110 | 0 | 0 | running | 19 |
| 2002 | 8 | 19 | 16 | GT | 1 | 23 | McKenna Porsche/Xybernaut/Mobil 1/Michelin | Porsche 911 GT3-RS | Porsche 3.6L Flat-6 | Michelin | Job | 1:28.711 | 100 | 0 | 0 | running | 25 |
| 2003 | 7 | 16 | 11 | GT | 1 | 23 | McKenna/mail2web/Michelin/Mobil 1 | Porsche 911 GT3-RS | Porsche 3.6L Flat-6 | Michelin | Job | 1:26.182 | 108 | 0 | 0 | running | 20 |
| 2004 | 9 | 17 | 15 | GT | 8 | 43 | YES Network/Michelin/Porsche/Cartridge Ltd. | Porsche 911 GT3-RSR | Porsche 3.6L Flat-6 | Michelin | BAM! | 1:26.844 | 151 | 0 | 0 | running | 6 |
| 2005 | 10 | 5 | 5 | LMP2 | 1 | 6 | Penske Racing | Porsche RS Spyder | Porsche MR6 3.4L V8 | Michelin | Penske | 1:15.606 | 163 | 0 | 0 | running | 22 |
| 2006 | 10 | 3 | 5 | LMP2 | 2 | 6 | DHL Global Mail | Porsche RS Spyder | Porsche MR6 3.4L V8 | Michelin | Penske | 1:14.030 | 158 | 0 | 0 | running | 19 |
| 2007 | 12 | 1 | 4 | LMP2 | 2 | 6 | DHL/Michelin/Mobil 1/Hyatt/Hugo Boss/ZF Sachs/Snap-on | Porsche RS Spyder Evo | Porsche MR6 3.4L V8 | Michelin | Penske | 1:10.528 | 157 | 1 | 10 | running | 19 |
| 2008 | 11 | 6 | 10 | LMP2 | 8 | 6 | DHL/Michelin/Mobil 1/Hugo Boss/Hyatt/ZF Sachs/Snap-on | Porsche RS Spyder Evo | Porsche MR6 3.4L V8 | Michelin | Penske | 1:10.586 | 144 | 1 | 4 | running | 8 |
| 2010 | 3 | 2 | 2 | LMP | 2 | 6 | Muscle Milk | Porsche RS Spyder Evo | Porsche MR6 3.4L V8 | Michelin | Cytosport | 1:13.855 | 230 | 0 | 0 | running | 21 |
| 2011 | 8 | 21 | 22 | GT | 10 | 48 | Marquis Jet/IPC/Total/Chopard | Porsche 997 GT3-RSR | Porsche 4.0L Flat-6 | Yokohama | Paul Miller | 1:24.133 | 224 | 0 | 0 | running | 6 |
| 2012 | 3 | 25 | 19 | GT | 10 | 48 | Dunlop/Chopard | Porsche 997 GT3-RSR | Porsche 4.0L Flat-6 | Dunlop | Paul Miller | 1:23.448 | 229 | 0 | 0 | running | 4 |
