| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 2000 | 1 | 25 | 10 | GT | 1 | 5 | Mobil 1/Michelin | Porsche 911 GT3-R | Porsche 3.6L Flat-6 | Michelin | Barbour | 2:07.064 | 313 | 0 | 0 | running | 30 |
| 2001 | 2 | 13 | 8 | GT | 1 | 23 | McKenna Porsche/Mobil 1/Michelin | Porsche 911 GT3-RS | Porsche 3.6L Flat-6 | Michelin | Job | 2:06.764 | 326 | 0 | 0 | running | 30 |
| 2002 | 1 | 32 | 12 | GT | 1 | 23 | McKenna Porsche/Mobil 1/Michelin | Porsche 911 GT3-RS | Porsche 3.6L Flat-6 | Michelin | Job | 2:07.460 | 306 | 0 | 0 | running | 30 |
| 2003 | 1 | 27 | 10 | GT | 1 | 23 | Alex Job Racing | Porsche 911 GT3-RS | Porsche 3.6L Flat-6 | Michelin | Job | 2:06.249 | 320 | 0 | 0 | running | 26 |
| 2004 | 1 | 44 | 10 | GT | 2 | 24 | McKenna Porsche/Mail2Web/Michelin/Mobil 1 | Porsche 911 GT3-RSR | Porsche 3.6L Flat-6 | Michelin | Job | no time | 317 | 0 | 0 | running | 22 |
| 2005 | 1 | 20 | 7 | GT2 | 1 | 31 | MMPIE/PAWS/Westward Ho Casino Las Vegas | Porsche 911 GT3-RSR | Porsche 3.6L Flat-6 | Michelin | Petersen | 2:04.960 | 321 | 0 | 0 | running | 26 |
| 2006 | 1 | 3 | 8 | LMP2 | 2 | 6 | DHL Global Mail | Porsche RS Spyder | Porsche MR6 3.4L V8 | Michelin | Penske | 1:47.800 | 323 | 0 | 0 | mechanical | 22 |
| 2008 | 1 | 3 | 6 | LMP1 | 2 | 2 | Audi Sport North America | Audi R10 TDI | Audi TDI 5.5L Turbo V12 (Diesel) | Michelin | Champion | 1:45.090 | 333 | 0 | 0 | running | 26 |
| 2009 | 1 | 4 | 3 | LMP1 | 3 | 1 | Audi Sport North America | Audi R15 TDI | Audi TDI 5.5L Turbo V10 | Michelin | Champion | 1:45.551 | 381 | 2 | 4 | running | 23 |
| 2011 | 1 | 6 | 47 | LMP1 | 10 | 06 | Muscle Milk/Biedermann Technologies/AMR | Lola-Aston Martin B08/62 | Aston Martin 6.0L V12 | Michelin | Aston Martin | 1:47.738 | 151 | 0 | 0 | mechanical | 0 |
| 2012 | 1 | 4 | 28 | ALMS-LMP1 | 2 | 6 | Muscle Milk | HPD ARX-03a | Honda 3.4L V8 | Michelin | Pickett | 1:47.536 | 302 | 0 | 0 | not running | 20 |
| 2013 | 1 | 4 | 4 | LMP1 | 4 | 6 | Muscle Milk | HPD ARX-03a | Honda 3.4L V8 | Michelin | Pickett | 1:46.478 | 358 | 0 | 0 | running | 20 |
