| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1999 | 7 | 2 | 2 | LMP | 2 | 2 | Visteon/Michelin/Road Atlanta/Élan Waters/BBS | Panoz LMP-1 Roadster-S | Ford (Élan-Yates) 6.0L V8 | Michelin | Panoz | | 121 | 1 | 11 | running | 21 |
| 2000 | 10 | 2 | 31 | LMP | 12 | 1 | Michelin/Panoz Racing Schools | Panoz LMP-1 Roadster-S | Élan 6L8 6.0L V8 | Michelin | Panoz | | 66 | 3 | 50 | engine | 0 |
| 2001 | 9 | 4 | 25 | LMP900 | 9 | 50 | Michelin/Spirit of Sebring | Panoz LMP-1 Roadster-S | Élan 6L8 6.0L V8 | Michelin | Panoz | 1:16.104 | 57 | 2 | 22 | accident | 0 |
| 2002 | 8 | 7 | 5 | LMP900 | 5 | 50 | Michelin | Panoz LMP01 Evo | Élan 6L8 6.0L V8 | Michelin | Panoz | 1:17.812 | 110 | 0 | 0 | running | 15 |
| 2003 | 7 | 10 | 6 | GTS | 1 | 80 | Care Racing | Ferrari 550-GTS Maranello | Ferrari 5.9L V12 | Michelin | Prodrive | 1:22.350 | 113 | 0 | 0 | running | 20 |
| 2007 | 12 | 16 | 12 | GT1 | 2 | 3 | Corvette Racing | Chevrolet Corvette C6.R | Chevrolet LS7-R 7.0L V8 | Michelin | Corvette | 1:19.304 | 150 | 0 | 0 | running | 19 |
| 2008 | 11 | 17 | 13 | GT1 | 2 | 3 | Corvette Racing | Chevrolet Corvette C6.R | Chevrolet LS7-R 7.0L V8 (E85 ethanol) | Michelin | Corvette | 1:19.291 | 139 | 0 | 0 | running | 21 |
| 2009 | 10 | 10 | 7 | GT2 | 2 | 3 | Compuware | Chevrolet Corvette C6.R | Chevrolet 6.0L V8 | Michelin | Corvette | 1:23.053 | 155 | 0 | 0 | running | 21 |
| 2010 | 3 | 13 | 10 | GT | 6 | 3 | Compuware | Chevrolet Corvette C6.R | Chevrolet 5.5L V8 | Michelin | Corvette | 1:23.201 | 224 | 0 | 0 | running | 11 |
| 2011 | 8 | 13 | 15 | GT | 5 | 4 | Compuware | Chevrolet Corvette C6.R | Chevrolet 5.5L V8 | Michelin | Corvette | 1:23.124 | 236 | 0 | 0 | running | 13 |
| 2012 | 3 | 20 | 10 | GT | 2 | 3 | Compuware | Chevrolet Corvette C6.R | Chevrolet 5.5L V8 | Michelin | Corvette | 1:22.919 | 232 | 0 | 0 | running | 18 |
| 2013 | 3 | 19 | 9 | GT | 1 | 3 | Compuware | Chevrolet Corvette C6.R | Chevrolet 5.5L V8 | Michelin | Corvette | 1:23.042 | 142 | 0 | 0 | running | 22 |
