| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1999 | 3 | 1 | 1 | LMP | 1 | 2 | Visteon/Michelin/Road Atlanta/Élan Waters | Panoz LMP-1 Roadster-S | Ford (Élan-Yates) 6.0L V8 | Michelin | Panoz | 1:10.514 | 122 | 0 | 0 | running | 25 |
| 2000 | 6 | 2 | 23 | LMP | 7 | 1 | Michelin/Élan Motorsports Technologies | Panoz LMP-1 Roadster-S | Élan 6L8 6.0L V8 | Michelin | Panoz | 1:08.507 | 40 | 2 | 15 | contact | 0 |
| 2001 | 7 | 3 | 2 | LMP900 | 2 | 50 | Michelin/Spirit of Sebring | Panoz LMP-1 Roadster-S | Élan 6L8 6.0L V8 | Michelin | Panoz | 1:09.701 | 113 | 2 | 63 | running | 21 |
| 2002 | 7 | 6 | 4 | LMP900 | 4 | 50 | Spirit of America/Michelin | Panoz LMP01 Evo | Élan 6L8 6.0L V8 | Michelin | Panoz | 1:09.213 | 118 | 0 | 0 | running | 17 |
| 2003 | 5 | 11 | 6 | GTS | 3 | 80 | Prodrive Racing | Ferrari 550-GTS Maranello | Ferrari 5.9L V12 | Michelin | Prodrive | 1:10.782 | 111 | 0 | 0 | running | 13 |
| 2007 | 9 | 16 | 10 | GT1 | 1 | 3 | Corvette Racing | Chevrolet Corvette C6.R | Chevrolet 7.0L V8 | Michelin | Corvette | 1:14.097 | 116 | 0 | 0 | running | 20 |
| 2008 | 8 | 14 | 12 | GT1 | 1 | 3 | Corvette Racing | Chevrolet Corvette C6.R | Chevrolet LS7-R 7.0L V8 (E85 ethanol) | Michelin | Corvette | 1:13.878 | 117 | 0 | 0 | running | 20 |
| 2009 | 8 | 12 | 6 | GT2 | 1 | 3 | Compuware | Chevrolet Corvette C6.R | Chevrolet 6.0L V8 | Michelin | Corvette | 1:18.309 | 117 | 0 | 0 | running | 20 |
| 2010 | 8 | 13 | 14 | GT | 4 | 4 | Compuware | Chevrolet Corvette C6.R | Chevrolet 5.5L V8 (E85 Ethanol) | Michelin | Corvette | 1:17.668 | 92 | 0 | 0 | running | 10 |
| 2011 | 4 | 16 | 8 | GT | 1 | 4 | Compuware | Chevrolet Corvette C6.R | Chevrolet 5.5L V8 | Michelin | Corvette | 1:17.580 | 121 | 0 | 0 | running | 20 |
| 2012 | 5 | 12 | 11 | GT | 2 | 3 | Compuware | Chevrolet Corvette C6.R | Chevrolet 5.5L V8 | Michelin | Corvette | 1:15.478 | 112 | 0 | 0 | running | 16 |
| 2013 | 5 | 32 | 14 | GT | 4 | 3 | Compuware | Chevrolet Corvette C6.R | Chevrolet 5.5L V8 | Michelin | Corvette | 1:15.601 | 123 | 0 | 0 | running | 10 |
