Iowa Speedway
Newton, IA
USA
1.3 mi. paved road course
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Grand-Am Rolex Series
| Year | Date | Cars | Laps | Winning Class | Winners | Average Speed (mph) | Lead changes | Leaders | Cautions | Caution Laps | Lead Lap Cars |
| 2007 | 07/13/07 | 17 | 192 | DP | Scott Pruett | 105.490 | 4 | 4 | 2 | 13 | 6 |
| Memo Rojas | |||||||||||
| 2007 | 07/14/07 | 15 | 185 | GT | Andy Lally | 95.995 | 5 | 4 | 2 | N/A | 3 |
| RJ Valentine |
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