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| 5/20/2023 | Independence Motor Speedway - Independence, IA DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models | Results | | Greg Kastli (Dirt Late Models) | 1st | - | - | 9th |
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| 5/27/2023 | Independence Motor Speedway - Independence, IA Weekly Racing DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, Non-Wing Outlaw, B Modifieds, Dirt Late Models | Results | | Greg Kastli (Dirt Late Models) | 1st | - | - | 4th |
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| 6/10/2023 | Independence Motor Speedway - Independence, IA Weekly Racing DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Generic 1 | Results | | Greg Kastli (Dirt Late Models) | 4th | - | - | 5th |
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| 6/11/2023 | Benton County Speedway - Vinton, IA Benton County Speedway - EAST Pro Late Model: Pro Late Model Series IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Greg Kastli (Pro Late Model) | 8th | - | - | 8th |
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| 7/5/2023 | Independence Motor Speedway - Independence, IA Denny Osborn Memorial / Buchanan County Fair DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models | Results | | Greg Kastli (Dirt Late Models) | 2nd | - | - | 10th |
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| 7/20/2023 | Fayette County Speedway - West Union, IA Fayette County Fair Race Sponosored by Steine Seeds/Rage 40 IMCA AMods Pro Late Model: Pro Late Model Series A Modifieds, Dirt Late Models, USRA B-Mods, USRA Stock Cars | Results | | Greg Kastli (Pro Late Model) | 1st | - | - | 5th |
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| 7/22/2023 | Lee County Speedway - Donnellson, IA Drive For 5 Qualifier Dirt Mini Trucks, Vintage Full Body Stock Cars, IMCA Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Greg Kastli (IMCA Late Models) | 2nd | - | - | 4th |
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| 7/23/2023 | Benton County Speedway - Vinton, IA Pro Late Model Tour/ with all weekly IMCA classes and Legends Pro Late Model: Pro Late Model Series Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Greg Kastli (Pro Late Model) | 5th | - | - | 7th |
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| 7/29/2023 | Independence Motor Speedway - Independence, IA Weekly Racing DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models | Results | | Greg Kastli (Dirt Late Models) | 3rd | - | - | 3rd |
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| 7/30/2023 | Mason City Motor Speedway - Mason City, IA Late Models Pro Late Model: Pro Late Model Series 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Greg Kastli (Pro Late Model) | 1st | - | - | 3rd |
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| 8/12/2023 | Independence Motor Speedway - Independence, IA Weekly Racing Pro Late Model: Pro Late Model Series DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, Non-Wing Outlaw, B Modifieds | Results | | Greg Kastli (Pro Late Model) | 1st | - | - | 4th |
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| 8/19/2023 | Independence Motor Speedway - Independence, IA Season Championship DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Generic 1 | Results | | Greg Kastli (Dirt Late Models) | 2nd | - | - | 2nd |
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| 8/27/2023 | Benton County Speedway - Vinton, IA PRO Late Model Tour Championship Pro Late Model: Pro Late Model Series Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Greg Kastli (Pro Late Model) | 2nd | - | - | 7th |
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