| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1999 | 7 | 1 | 8 | LMP | 8 | 1 | Visteon/Michelin/Road Atlanta/Élan Waters/BBS | Panoz LMP-1 Roadster-S | Ford (Élan-Yates) 6.0L V8 | Michelin | Panoz | 1:15.974 | 115 | 2 | 26 | mechanical | 12 |
| 2000 | 10 | 2 | 31 | LMP | 12 | 1 | Michelin/Panoz Racing Schools | Panoz LMP-1 Roadster-S | Élan 6L8 6.0L V8 | Michelin | Panoz | | 66 | 0 | 0 | engine | 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 |
| 2005 | 10 | 13 | 10 | GT1 | 4 | 57 | Aston Martin Racing | Aston Martin DBR9 | Aston Martin 6.0L V12 | Michelin | Aston Martin | 1:21.733 | 155 | 0 | 0 | running | 22 |
| 2006 | 10 | 21 | 27 | GT2 | 10 | 50 | Multimatic Motorsports Team Panoz | Panoz Esperante GT-LM | Ford (Élan) 5.0L V8 | Pirelli | Multimatic | 1:24.556 | 76 | 0 | 0 | accident | 0 |
| 2007 | 12 | 4 | 28 | LMP2 | 9 | 9 | Highcroft Racing | Acura ARX-01A | Acura AL7R 3.4L V8 | Michelin | Highcroft | 1:11.101 | 89 | 0 | 0 | accident | 0 |
| 2008 | 11 | 1 | 15 | LMP2 | 9 | 9 | The Patrón Spirits Company/Acura/Takata/Forbes | Acura ARX-01B | Acura AL7R 3.4L V8 | Michelin | Highcroft | 1:10.103 | 139 | 1 | 18 | running | 7 |
| 2009 | 10 | 2 | 3 | LMP1 | 2 | 9 | The Patrón Spirits Company/Acura/Michelin/Forbes | Acura ARX-02a | Acura AR7 4.0L V8 | Michelin | Highcroft | 1:11.298 | 164 | 0 | 0 | running | 21 |
| 2010 | 3 | 33 | 1 | LMP | 1 | 1 | Patrón/GE/Forbes/Michelin/Acero | HPD ARX-01C | HPD 3.4L V8 | Michelin | Highcroft | 1:13.009 | 237 | 1 | 43 | running | 25 |
