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| 7/3/2021 | Fairbury Speedway - Fairbury, IL FALS Cup Weekly Racing plus Fireworks. Emergency First Responder Night DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, B Modifieds, Street Stocks | Results | | Mason Duncan (DIRTcar UMP Modifieds) | 8th (DNF) | - | 10th (DNF) | - |
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| 7/17/2021 | Fairbury Speedway - Fairbury, IL FALS Cup Weekly Racing, Eden/Piercy Memorial Sportsman Special DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, B Modifieds, Street Stocks | Results | | Mason Duncan (DIRTcar UMP Modifieds) | 9th | - | 12th (DNF) | - |
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| 7/30/2021 | Fairbury Speedway - Fairbury, IL PRAIRIE DIRT CLASSIC Dirt Super Late Models: World of Outlaws - Late Models DIRTcar UMP Modifieds: DIRTcar Modified Nationals | Results | | Mason Duncan (DIRTcar UMP Modifieds) | 13th | - | - | 13th |
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| 7/31/2021 | Fairbury Speedway - Fairbury, IL PRAIRIE DIRT CLASSIC Dirt Super Late Models: World of Outlaws - Late Models DIRTcar UMP Modifieds: DIRTcar Modified Nationals DIRTcar Late Models | Results | | Mason Duncan (DIRTcar UMP Modifieds) | 13th | - | 9th | - |
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| 8/7/2021 | Fairbury Speedway - Fairbury, IL FALS Cup Weekly Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, B Modifieds, Street Stocks | Results | | Mason Duncan (DIRTcar UMP Modifieds) | 3rd | - | - | 12th (DNF) |
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| 8/14/2021 | Fairbury Speedway - Fairbury, IL FALS Cup Weekly Racing plus Vintage Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, B Modifieds, Street Stocks, Vintage Full Body Stock Cars | Results | | Mason Duncan (DIRTcar UMP Modifieds) | 6th | - | - | 19th (DNF) |
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| 8/20/2021 | Farmer City Raceway - Farmer City, IL Back the Badge/Weekly + B-Mods and Hornets DIRTcar UMP Modifieds, Street Stocks, Dirt Late Models, Hornets, Pro Late Model, DIRTcar Pro Modifieds | Results | | Mason Duncan (DIRTcar UMP Modifieds) | 3rd | - | - | 5th |
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| 8/21/2021 | Fairbury Speedway - Fairbury, IL FALS Cup Weekly Racing Fair Night DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, B Modifieds, Street Stocks | Results | | Mason Duncan (DIRTcar UMP Modifieds) | 5th | - | - | 15th (DNF) |
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| 8/27/2021 | Farmer City Raceway - Farmer City, IL Full Show + Pro Mods DIRTcar UMP Modifieds, Street Stocks, Dirt Late Models, Pro Late Model, DIRTcar Pro Modifieds | Results | | Mason Duncan (DIRTcar UMP Modifieds) | DNS | - | - | 11th (DNF) |
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| 8/28/2021 | Fairbury Speedway - Fairbury, IL FALS Cup Championship Night of Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, B Modifieds, Street Stocks | Results | | Mason Duncan (DIRTcar UMP Modifieds) | 3rd | - | - | 12th |
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| 9/18/2021 | Macon Speedway - Macon, IL KERBYSTRONG Night featuring PLM, Modified, and Sportsman Specials / CEFCU Kids Club DIRTcar UMP Modifieds, DIRTcar Sportsmans, B Modifieds, Street Stocks, Hornets, Pro Late Model | Results | | Mason Duncan (DIRTcar UMP Modifieds) | 1st | - | - | 6th |
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| 10/16/2021 | Kokomo Speedway - Kokomo, IN Kokomo Klash XV 305 Sprints - Winged, Dirt Super Late Models, A Modifieds, Street Stocks, Hornets, Super Stocks | Results | | Mason Duncan (A Modifieds) | - | - | - | - |
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