| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1999 | 1 | 2 | 37 | LMP | 18 | 0 | Yokohama | Riley & Scott Mk III | Judd GV4 4.0L V10 | Yokohama | Rafanelli | | 185 | 0 | 0 | oil leak | 7 |
| 2000 | 1 | 11 | 6 | LMP | 6 | 19 | Pirelli/Toshiba Copiers and Fax/ACDelco | Cadillac Northstar LMP | Cadillac Northstar 4.0L Turbo V8 | Pirelli | Cadillac | | 331 | 0 | 0 | running | 19 |
| 2003 | 1 | 8 | 7 | LMP900 | 7 | 27 | Lista | Dallara SP1 | Judd GV4 4.0L V10 | Michelin | Doran | 1:53.054 | 336 | 0 | 0 | running | 10 |
| 2007 | 1 | 12 | 19 | LMP2 | 7 | 27 | Horag Racing | Lola B05/40 | Judd XV675 3.4L V8 | Michelin | Lista | 1:53.594 | 307 | 0 | 0 | mechanical | 10 |
| 2008 | 1 | 29 | 14 | GT2 | 3 | 61 | Risi Competizione/Krohn Racing | Ferrari F430GT | Ferrari 4.0L V8 | Michelin | Risi | 2:04.933 | 308 | 0 | 0 | running | 23 |
| 2009 | 1 | 22 | 13 | GT2 | 6 | 61 | Risi Competizione/Krohn Racing | Ferrari F430GT | Ferrari 4.0L V8 | Michelin | Risi | 2:08.386 | 325 | 0 | 0 | running | 16 |
| 2010 | 1 | 22 | 14 | GT2 | 7 | 61 | Risi Competizione/Krohn Racing | Ferrari F430GTC | Ferrari 4.0L V8 | Michelin | Risi | 2:06.680 | 321 | 0 | 0 | running | 14 |
