| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1999 | 2 | 24 | 17 | GT | 2 | 23 | Aerofab/Yokohama | Porsche 911 Carrera RSR | Porsche 3.8L Flat-6 | Yokohama | Job | | 107 | 0 | 0 | running | 21 |
| 1999 | 6 | 30 | 15 | GT | 1 | 23 | Aerofab/Michelin | Porsche 911 GT3-R | Porsche 3.6L Flat-6 | Michelin | Job | 1:23.922 | 347 | 0 | 0 | running | 25 |
| 2000 | 9 | 23 | 17 | GT | 3 | 5 | Mobil 1/Michelin | Porsche 911 GT3-R | Porsche 3.6L Flat-6 | Michelin | Barbour | 1:24.754 | 333 | 0 | 0 | mechanical | 24 |
| 2001 | 10 | 23 | 9 | GT | 2 | 43 | BMW Motorsport/Schnitzer Motorsport | BMW M3 GTR | BMW 3.2L I6 | Michelin | Schnitzer | 1:22.681 | 359 | 0 | 0 | running | 26 |
| 2007 | 11 | 18 | 24 | GT2 | 9 | 31 | Petersen Motorsports/MMPIE/PAWS/MOMO | Ferrari F430GT | Ferrari 4.0L V8 | Michelin | Petersen | 1:21.798 | 123 | 0 | 0 | accident | 0 |
| 2008 | 10 | 21 | 15 | GT2 | 3 | 71 | Bell Micro Systems/Ringers Gloves/Mothers/East Coast Jewelry/BBS | Ferrari F430GT | Ferrari 4.0L V8 | Michelin | Tafel | 1:19.795 | 355 | 1 | 13 | running | 23 |
| 2009 | 9 | 16 | 9 | GT2 | 2 | 92 | BMW Rahal Letterman Racing | BMW M3 E92 | BMW 4.0L V8 | Dunlop | Rahal | 1:20.981 | 169 | 0 | 0 | running | 26 |
| 2010 | 9 | 20 | 31 | GT2 | 13 | 90 | BMW Rahal Letterman Racing | BMW M3 GT2 | BMW 4.0L V8 | Dunlop | Rahal | 1:20.322 | 315 | 0 | 0 | running | 0 |
| 2011 | 9 | 25 | 20 | GT | 9 | 56 | Rays/Avnet | BMW M3 GT2 | BMW 4.0L V8 | Dunlop | BMW | 1:19.219 | 359 | 0 | 0 | running | 14 |
| 2012 | 10 | 25 | 15 | GT | 4 | 56 | BMW Team Rahal Letterman Lanigan | BMW M3 GT2 | BMW 4.0L V8 | Dunlop | Rahal | 1:19.261 | 373 | 0 | 0 | running | 14 |
| 2013 | 10 | 18 | 9 | GT | 2 | 56 | BMW North America, LLC/Crowne Plaza | BMW Z4 GTE | BMW 4.4L V8 | Michelin | Rahal | 1:19.228 | 375 | 0 | 0 | running | 20 |
