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| 4/28/2018 | Warren County Speedway - Indianola, IA Season Opener! Factory Stocks, Hobby Stocks, Stock Cars, Sportsmans, Street Stocks, Hornets, Dirt Pro Trucks, Sport Compact, Super Stocks | Results | | Joe Mastin (Sport Compact) | 5th | - | - | DNS |
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| 5/5/2018 | Warren County Speedway - Indianola, IA Cox Concrete Driver's Autograph Night! 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) | 5th | - | 4th | 6th |
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| 6/2/2018 | Warren County Speedway - Indianola, IA Williams Machine Shop Military Appreciation Night! Factory Stocks, Hobby Stocks, Sportsmans, Street Stocks, Hornets, Dirt Pro Trucks, Sport Compact, Super Stocks | Results | | Joe Mastin (Sport Compact) | 3rd | - | - | 13th |
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| 6/16/2018 | Warren County Speedway - Indianola, IA Bussanmas H & C - BMC Plumbing Kids Night! Factory Stocks, Hobby Stocks, Stock Cars, Sportsmans, Street Stocks, Hornets, Dirt Pro Trucks, Sport Compact, Super Stocks | Results | | Joe Mastin (Sport Compact) | 4th | - | - | 7th |
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| 6/30/2018 | Warren County Speedway - Indianola, IA Henry Sales NuTech Seeds Night! Factory Stocks, Hobby Stocks, Sportsmans, Street Stocks, Hornets, Dirt Pro Trucks, Sport Compact, Super Stocks | Results | | Joe Mastin (Sport Compact) | 3rd | - | - | 4th |
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| 8/4/2018 | Warren County Speedway - Indianola, IA TruBank Kids Bike Giveaway Night! Factory Stocks, Hobby Stocks, Stock Cars, Sportsmans, Street Stocks, Hornets, Dirt Pro Trucks, Sport Compact, Super Stocks | Results | | Joe Mastin (Sport Compact) | 3rd | - | - | 7th |
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| 8/18/2018 | Warren County Speedway - Indianola, IA Season Championship! 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) | - | - | - | 6th |
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| 9/4/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals Hobby Stocks, B Modifieds, Vintage Modifieds, Generic 1, Sport Compact | Results | | Joe Mastin (Sport Compact) | - | - | - | - |
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