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| 3/23/2018 | Humboldt Speedway - Humboldt, KS Mod Lites King of the Bullring Night 1 Factory Stocks, Stock Cars, B Modifieds, 600cc Modifieds, Limited Sport Mod | Results | | Shawn Duncan (Limited Sport Mod) | 1st | - | - | 5th |
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| 4/29/2018 | Monett Motor Speedway - Monett, MO Napa Auto Parts B-Modified Opener - $400 to Win Midwest Modifieds, B Modifieds, Semi-Pro Legends, Economy Late Models, Limited Sport Mod, Pure Stock | Results | | Shawn Duncan (B Modifieds) | 6th | - | - | 14th |
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| 5/6/2018 | Monett Motor Speedway - Monett, MO Crown Power & Equipment - Points Series Race 3 B Modifieds, Semi-Pro Legends, Economy Late Models, Limited Sport Mod, Pure Stock | Results | | Shawn Duncan (B Modifieds) | 7th | - | - | 13th |
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| 5/27/2018 | Monett Motor Speedway - Monett, MO Southern Outlaw Late Models presented by Doug's Pro Lube B Modifieds, Dirt Late Models, Semi-Pro Legends, Limited Sport Mod, Pure Stock | Results | | Shawn Duncan (B Modifieds) | 5th | - | - | 13th |
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| 6/8/2018 | Monett Motor Speedway - Monett, MO Reliable Chevrolet - Points Series Race 5 Stock Cars, B Modifieds, Semi-Pro Legends, Economy Late Models, Limited Sport Mod, Pure Stock | Results | | Shawn Duncan (B Modifieds) | 3rd | - | - | 9th |
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| 6/22/2018 | Monett Motor Speedway - Monett, MO Points Series Race 6 Stock Cars, B Modifieds, Semi-Pro Legends, Limited Sport Mod, Pure Stock | Results | | Shawn Duncan (B Modifieds) | 2nd | - | - | 6th |
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| 7/6/2018 | Monett Motor Speedway - Monett, MO Points Series Race 7 Stock Cars, B Modifieds, Semi-Pro Legends, Limited Sport Mod, Pure Stock | Results | | Shawn Duncan (B Modifieds) | 6th | - | - | DNS |
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| 7/27/2018 | Monett Motor Speedway - Monett, MO Napa Auto Parts Race Stock Cars, B Modifieds, Semi-Pro Legends, Limited Sport Mod, Super Stocks, Pure Stock | Results | | Shawn Duncan (B Modifieds) | 3rd | - | - | 17th |
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| 8/10/2018 | Monett Motor Speedway - Monett, MO Points Series Race 9 Stock Cars, B Modifieds, Semi-Pro Legends, Limited Sport Mod, Pure Stock | Results | | Shawn Duncan (B Modifieds) | 1st | - | - | 15th |
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| 9/2/2018 | Monett Motor Speedway - Monett, MO 48th 4-State Dirt Track Championships Dirt Super Late Models: Lucas Oil MLRA B Modifieds, Semi-Pro Legends, Limited Sport Mod, Pure Stock | Results | | Shawn Duncan (B Modifieds) | 2nd | - | - | 13th |
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| 9/16/2018 | Monett Motor Speedway - Monett, MO Points Series Race 11 Stock Cars, B Modifieds, Semi-Pro Legends, Limited Sport Mod, Pure Stock | Results | | Shawn Duncan (B Modifieds) | 4th | - | - | 12th |
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