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| 5/15/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #5 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Stephen Doss (IMCA Hobby Stock) | 6th | - | - | 12th |
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| 6/5/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #8 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Stephen Doss (IMCA Hobby Stock) | 3rd | - | - | 18th (DNF) |
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| 6/12/2021 | Boone Speedway - Boone, IA Saturday Night Series #9 + IMCA Weekly Points – $500 to win Stock Cars IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Stephen Doss (IMCA Hobby Stock) | 5th | - | - | 19th (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 | | Stephen Doss (IMCA Hobby Stock) | 8th | - | 5th | - |
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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 | | Stephen Doss (IMCA Hobby Stock) | 7th | - | - | 17th |
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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 | | Stephen Doss (IMCA Hobby Stock) | 3rd | - | - | 24th (DNF) |
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| 8/28/2021 | Boone Speedway - Boone, IA Season Championship IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Stephen Doss (IMCA Hobby Stock) | 6th | - | - | DNS |
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| 9/6/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s IMCA Late Models, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Stephen Doss (IMCA Hobby Stock) | 4th | - | - | - |
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| 9/7/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s Vintage Modifieds, Generic 1, IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact | Results | | Stephen Doss (IMCA Hobby Stock) | 3rd | - | 8th (DNF) | - |
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| 9/8/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Stephen Doss (IMCA Hobby Stock) | - | - | - | DNS |
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