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| 4/3/2021 | Boone Speedway - Boone, IA IMCA Frostbuster IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Mary Hahn (IMCA Northern SportMod) | 5th | - | 10th (DNF) | - |
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| 4/10/2021 | Boone Speedway - Boone, IA Season Opener IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Mary Hahn (IMCA Northern SportMod) | 2nd | - | - | 20th (DNF) |
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| 4/15/2021 | US 30 Speedway - Columbus, NE Opening Night IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Mary Hahn (IMCA Northern SportMod) | 5th | - | - | 15th |
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| 5/6/2021 | US 30 Speedway - Columbus, NE Weekly Racing IMCA Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Mary Hahn (IMCA Northern SportMod) | 5th | - | - | 11th |
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| 6/17/2021 | US 30 Speedway - Columbus, NE Ladies Night IMCA Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Mary Hahn (IMCA Northern SportMod) | 3rd | - | - | 3rd |
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| 7/9/2021 | Beatrice Speedway - Beatrice, NE IMCA Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mary Hahn (B Modifieds) | 4th | - | 2nd | 12th |
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| 7/23/2021 | Beatrice Speedway - Beatrice, NE Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mary Hahn (B Modifieds) | 6th | - | - | 15th |
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| 7/29/2021 | US 30 Speedway - Columbus, NE KIDS NIGHT IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Mary Hahn (IMCA Northern SportMod) | 4th | - | - | 12th |
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| 9/17/2021 | US 30 Speedway - Columbus, NE 25th Annual Abe Lincoln Memorial Vintage Full Body Stock Cars, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car | Results | | Mary Hahn (IMCA Northern SportMod) | 6th | - | 5th | - |
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| 9/18/2021 | US 30 Speedway - Columbus, NE 25th Annual Abe Lincoln Memorial Vintage Modifieds, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Mary Hahn (IMCA Northern SportMod) | 5th | - | 3rd | 11th |
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| 10/7/2021 | US 36 Raceway - Osborn, MO IMCA Missouri Nationals Test 'n' Tune Night 305 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod, Pure Stock | Results | | Mary Hahn (Limited Sport Mod) | - | - | - | - |
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| 10/8/2021 | US 36 Raceway - Osborn, MO IMCA Missouri Nationals 305 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod, Pure Stock | Results | | Mary Hahn (Limited Sport Mod) | 1st | - | - | 17th (DNF) |
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