| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 2002 | 10 | 13 | 30 | LMP675 | 4 | 11 | DNTLworks Equipment Corporation/Oral Health America | MG-Lola EX257 | MG (AER) XP20 2.0L Turbo I4 | Avon | KnightHawk | 1:15.009 | 254 | 0 | 0 | running | 0 |
| 2003 | 2 | 20 | 30 | GT | 13 | 33 | Hazardous Sports/Alliance Residential/OZ Racing Wheels/RPM Race Gear/Brembo/Fuel Motorsports | Porsche 911 GT3-RS | Porsche 3.6L Flat-6 | Dunlop | ZIP | 1:26.467 | 81 | 0 | 0 | mechanical | 0 |
| 2004 | 8 | 12 | 18 | LMP2 | 2 | 13 | Compactor Rentals | Lola B2K/40 | Ford (Millington) 2.0L Turbo I4 | Pirelli | Cooke | 1:20.196 | 339 | 0 | 0 | running | 22 |
| 2006 | 9 | 21 | 17 | GT2 | 4 | 51 | Multimatic Motorsports Team Panoz | Panoz Esperante GT-LM | Ford (Élan) 5.0L V8 | Pirelli | Multimatic | 1:23.149 | 351 | 0 | 0 | running | 16 |
| 2007 | 11 | 6 | 6 | LMP2 | 4 | 16 | Thetford/Norcold | Porsche RS Spyder Evo | Porsche MR6 3.4L V8 | Michelin | Dyson | 1:10.499 | 372 | 0 | 0 | running | 16 |
| 2008 | 10 | 12 | 7 | LMP2 | 4 | 20 | Thetfold/Norcold | Porsche RS Spyder Evo | Porsche MR6 3.4L V8 | Michelin | Dyson | 1:08.446 | 391 | 0 | 0 | running | 20 |
| 2010 | 9 | 32 | 22 | GTC | 1 | 63 | Future Electronics/Freescale Semiconductors/Green Hills Software/Hitachi Global Storage/Racers Roast | Porsche 997 GT3 Cup | Porsche 3.8L Flat-6 | Yokohama | TRG | 1:25.364 | 337 | 0 | 0 | running | 30 |
| 2013 | 10 | 27 | 23 | GTC | 2 | 27 | dempseychallenge.org | Porsche 997 GT3 Cup | Porsche 4.0L Flat-6 | Yokohama | Dempsey | 1:24.480 | 357 | 0 | 0 | running | 0 |
