| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1999 | 7 | 34 | 40 | GT | 14 | 68 | The Racer's Group | Porsche 911 Carrera RSR | Porsche 3.8L Flat-6 | Goodyear | TRG | | 44 | 0 | 0 | suspension | 6 |
| 2000 | 10 | 31 | 33 | GT | 14 | 66 | The Racer's Group/Jongbloed Wheels | Porsche 911 GT3-R | Porsche 3.6L Flat-6 | Pirelli | TRG | | 29 | 0 | 0 | mechanical | 0 |
| 2001 | 9 | 23 | 15 | GT | 7 | 66 | The Racer's Group/Yokohama | Porsche 911 GT3-RS | Porsche 3.6L Flat-6 | Yokohama | TRG | 1:28.713 | 105 | 0 | 0 | running | 13 |
| 2002 | 8 | 26 | 20 | GT | 3 | 66 | Mail2web.com/Adobe Road Winery/Rennlist.com/Brackenridge Racing | Porsche 911 GT3-RS | Porsche 3.6L Flat-6 | Michelin | TRG | 1:30.561 | 99 | 0 | 0 | running | 19 |
| 2003 | 7 | 24 | 16 | GT | 5 | 66 | Monster Cable/mail2web.com/Carlsen Porsche/Adobe Road Winery/rennlist.com/Fast Qual/New Century Mortgage | Porsche 911 GT3-RS | Porsche 3.6L Flat-6 | Michelin | TRG | 1:28.425 | 106 | 0 | 0 | running | 8 |
| 2011 | 8 | 28 | 29 | GTC | 6 | 68 | South African Airways/PRNewswire | Porsche 997 GT3 Cup | Porsche 4.0L Flat-6 | Yokohama | TRG | 1:28.796 | 216 | 0 | 0 | running | 11 |
