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| 4/17/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 1st | - | - | 9th |
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| 5/1/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 1st | - | - | 2nd |
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| 5/15/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 1st | - | - | 1st |
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| 5/22/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 2nd | - | - | 1st |
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| 5/29/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 1st | - | - | 2nd |
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| 6/5/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 3rd | - | - | 5th |
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| 6/12/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 2nd | - | - | 2nd |
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| 6/19/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Ray Marler's Birthday Bash DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 1st | - | - | - |
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| 7/3/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Pro 4 Challenge & UMP Pro Mods DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 1st | - | - | 2nd |
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| 7/17/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Fan Appreciation & Kids Night DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | - | - | - | 2nd |
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| 7/24/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Late Model Extravaganza Dirt Late Models: Cash Money Dirt Late Model Series DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 3rd | - | - | 2nd |
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| 8/21/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 1st | - | - | 2nd |
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| 8/28/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 3rd | - | - | 1st |
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| 9/11/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 1st | - | - | 6th |
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| 9/18/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Pepsi Nationals DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Lee Stuppy (DIRTcar Sportsmans) | 1st | - | - | 2nd |
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