| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1999 | 1 | 18 | 4 | LMP | 4 | 38 | Champion Porsche | Porsche 911 GT1 Evo | Porsche 3.2L Turbo Flat-6 | Michelin | Champion | | 308 | 0 | 0 | running | 22 |
| 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 | 18 | 24 | GT | 13 | 43 | Schnitzer Motorsport | BMW M3 GTR | BMW 4.0L V8 | Michelin | Schnitzer | | 168 | 0 | 0 | engine | 12 |
| 2008 | 1 | 20 | 20 | GT2 | 7 | 71 | Tafel Racing | Ferrari F430GT | BMW 4.0L V8 | Dunlop | Tafel | 2:01.800 | 280 | 0 | 0 | running | 14 |
| 2009 | 1 | 25 | 22 | GT2 | 11 | 92 | BMW Rahal Letterman Racing | BMW M3 E92 | BMW 4.0L V8 | Dunlop | Rahal | no time | 140 | 0 | 0 | mechanical | 0 |
| 2010 | 1 | 33 | 8 | GT2 | 3 | 90 | BMW Rahal Letterman Racing | BMW M3 GT2 | BMW 4.0L V8 | Dunlop | Rahal | no time | 330 | 0 | 0 | running | 23 |
| 2011 | 1 | 25 | 10 | GT | 1 | 56 | BMW Motorsport | BMW M3 GT2 | BMW 4.0L V8 | Dunlop | Rahal | no time | 312 | 0 | 0 | running | 30 |
| 2012 | 1 | 34 | 18 | ALMS-GT | 1 | 56 | BMW Team Rahal Letterman Lanigan | BMW M3 GT2 | BMW 4.0L V8 | Dunlop | Rahal | 1:59.776 | 307 | 0 | 0 | running | 24 |
| 2013 | 1 | 28 | 22 | GT | 7 | 56 | BMW North America, LLC/Crowne Plaza | BMW Z4 GTE | BMW 4.4L V8 | Michelin | Rahal | 1:59.847 | 321 | 0 | 0 | running | 8 |
