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| 5/29/2021 | Adams County Speedway - Corning, IA ACS HOF Night Presented by R&S Collectibles/Southwest Cruisers Dirt Super Late Models, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Billy Dyer (B Modifieds) | 7th | - | - | 15th |
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| 6/4/2021 | Sports Park Raceway - Fort Dodge, IA Summit USRA Weekly Racing Series USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Billy Dyer (USRA B-Mods) | 7th | - | - | 10th |
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| 6/12/2021 | Adams County Speedway - Corning, IA Akin Building Center Night-Kids E-POWER RACES BMOD 2020 CHAMPIONSHIP AWARDS Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Billy Dyer (B Modifieds) | 7th | - | - | 11th |
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| 6/19/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #10 Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Billy Dyer (IMCA Northern SportMod) | 6th | - | 3rd | 21st (DNF) |
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| 7/17/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #14 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Billy Dyer (IMCA Northern SportMod) | 9th (DNF) | - | 9th | - |
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| 7/24/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #15 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Billy Dyer (IMCA Northern SportMod) | 9th | - | 7th (DNF) | - |
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| 7/31/2021 | Boone Speedway - Boone, IA Salute to Veterans/Saturday Night Series Weekly #16 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Billy Dyer (IMCA Northern SportMod) | 6th | - | 8th | - |
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| 8/14/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #18 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Billy Dyer (IMCA Northern SportMod) | 4th | - | - | DNS |
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| 8/28/2021 | Adams County Speedway - Corning, IA McCunn Specialty Firearms Presents B-Mod & Modified Shootouts + NAAPWS Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Billy Dyer (B Modifieds) | 4th | - | - | 14th |
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| 10/1/2021 | Adams County Speedway - Corning, IA 23rd Annual NAPA "Tradition" Kevin Sharp Memorial--Custom Diesel Drivers Training "Pink Out" Night Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Billy Dyer (B Modifieds) | 6th | - | 2nd | 23rd |
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| 10/2/2021 | Adams County Speedway - Corning, IA 23rd Annual NAPA Auto Parts "Tradition" Night # 2 Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Billy Dyer (B Modifieds) | 8th | - | 7th | - |
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