Lone Star Grand Prix
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The Lone Star Grand Prix was an American Le Mans Series sports car race that took place at JAGFlo Speedway at Reliant Park in Houston, Texas, United States. The Lone Star Grand Prix was part of the Grand Prix of Houston race weekend. The event took place in 2006 and 2007. The 2008 event was cancelled following the merger of the Champ Car World Series and Indy Racing League.
Winners
| Season | Class | Winning drivers | Team | Chassis-Engine | Ref |
| 2006 [Lone Star Grand Prix|2006] | LMP1 |  |