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| 5/1/2021 | Plymouth Speedway - Plymouth, IN Cabin Fever - Season Opener DIRTcar UMP Modifieds, Asphalt Mini Stocks, Super Sports, Stock Non-Wing, Street Stocks | Results | | Justin Matson (DIRTcar UMP Modifieds) | 4th | - | - | 16th |
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| 5/15/2021 | Plymouth Speedway - Plymouth, IN Klotz / Cometic Mod Klash!! $5,000 to Win Mods! DIRTcar UMP Modifieds, Asphalt Mini Stocks, Street Stocks | Results | | Justin Matson (DIRTcar UMP Modifieds) | 6th | - | 4th | 14th |
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| 6/12/2021 | Plymouth Speedway - Plymouth, IN 3rd Annual Charlie Poague Memorial Race Presented by ILVDIRT DIRTcar UMP Modifieds, Super Sports, Street Stocks | Results | | Justin Matson (DIRTcar UMP Modifieds) | 7th | - | - | 13th |
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| 8/7/2021 | Plymouth Speedway - Plymouth, IN Saturday Night Event DIRTcar UMP Modifieds, Asphalt Mini Stocks, Stock Non-Wing, Street Stocks | Results | | Justin Matson (DIRTcar UMP Modifieds) | 4th | - | - | 9th |
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