| Year | Race # | Lead Driver | Start | Finish | Class | Class Rank | Car # | Team | Engine | Qualifying Time | Laps | X Led | Laps Led | Points |
| 2000 | 7 | Richard Grupp | 13 | 14 | SRII | 3 | 62 | Trench Shoring Services/CrocoTile Modular Flooring | Mazda Kudzu | 1:54.782 | 64 | 0 | 0 | 31 |
| 2001 | 1 | Richard Grupp | 20 | 20 | SRPII | 2 | 62 | Trench Shoring Services/Crocotile Modular Flooring | Mazda Kudzu | 1:49.244 | 577 | 0 | 0 | 32 |
| 2001 | 13 | Jim Downing | 12 | 8 | SRPII | 3 | 62 | Trench Shoring Services/Crocotile Modular Flooring | Mazda Kudzu | | 88 | 0 | 0 | 30 |
| 2002 | 1 | Dennis Spencer | 31 | 29 | SRPII | 3 | 62 | Trench Shoring Services/Crocotile Modular Flooring | Mazda Kudzu | 1:54.944 | 533 | 0 | 0 | 30 |
| 2006 | 1 | Dennis Spencer | 64 | 62 | GT | 33 | 63 | Team Spencer Motorsports | Mazda RX-8 | 1:58.795 | 101 | 0 | 0 | 1 |
| 2007 | 1 | Charles Espenlaub | 46 | 69 | GT | 41 | 63 | Team Spencer Motorsports | Mazda RX-8 | 1:53.882 | 74 | 0 | 0 | 1 |
| 2011 | 1 | Richard Grupp | 44 | 34 | GT | 18 | 63 | Trench Shoring Services | Mazda RX-8 | 1:54.184 | 544 | 0 | 0 | 13 |
