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| 4/14/2021 | Stuart Speedway - Stuart, IA Lucas Oil MLRA Late Models Dirt Super Late Models: Lucas Oil MLRA IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Joe Mastin (IMCA Sport Compact) | 6th | - | - | 11th (DNF) |
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| 4/17/2021 | Warren County Speedway - Indianola, IA Season Opener - "Bones" Memorial Factory Stocks, Hobby Stocks, Stock Cars, Sportsmans, Winged A-Class, Street Stocks, Hornets, Dirt Pro Trucks, Sport Compact, Super Stocks | Results | | Joe Mastin (Sport Compact) | 4th | - | - | 10th |
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| 5/5/2021 | Stuart Speedway - Stuart, IA Bill Davis Memorial 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Joe Mastin (IMCA Sport Compact) | 5th | - | - | 10th (DNF) |
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| 5/22/2021 | Warren County Speedway - Indianola, IA Max Keller Memorial - Keller's Garage Factory Stocks, Hobby Stocks, Stock Cars, Sportsmans, Winged A-Class, Street Stocks, Hornets, Dirt Pro Trucks, Sport Compact, Super Stocks | Results | | Joe Mastin (Sport Compact) | DNS | - | - | - |
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