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| 4/23/2021 | Lafayette County Speedway - Darlington, WI Season Opener! Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Marc Johnson (IMCA Northern SportMod) | 5th | - | - | 11th |
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| 4/30/2021 | Lafayette County Speedway - Darlington, WI Weekly Racing Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Marc Johnson (IMCA Northern SportMod) | 7th | - | - | 9th |
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| 5/1/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Marc Johnson (IMCA Northern SportMod) | 7th | - | - | DNS |
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| 5/7/2021 | Lafayette County Speedway - Darlington, WI Weekly Racing Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Marc Johnson (IMCA Northern SportMod) | 6th | - | - | 12th |
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| 5/14/2021 | Lafayette County Speedway - Darlington, WI Weekly Racing Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Marc Johnson (IMCA Northern SportMod) | 6th | - | - | 9th |
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| 5/30/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, Masters Legends, Economy Late Models, IMCA Late Models, Sport Compact | Results | | Marc Johnson (B Modifieds) | 7th | - | - | DNS |
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| 6/4/2021 | Lafayette County Speedway - Darlington, WI Weekly Racing Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Marc Johnson (IMCA Northern SportMod) | 6th | - | - | 13th |
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| 6/11/2021 | Lafayette County Speedway - Darlington, WI Weekly Racing/Canoe Fest Weekend/Kids Night/Bike Giveaway Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Marc Johnson (IMCA Northern SportMod) | 7th | - | - | 12th |
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| 6/18/2021 | Lafayette County Speedway - Darlington, WI Weekly Racing Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Marc Johnson (IMCA Northern SportMod) | 8th | - | - | 15th |
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| 7/4/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Very Good Chiropractic Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, Masters Legends, Economy Late Models, IMCA Late Models | Results | | Marc Johnson (B Modifieds) | 6th | - | - | 19th |
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| 7/16/2021 | Lafayette County Speedway - Darlington, WI Lafayette County Fair Race with AIRS Vintage Full Body Stock Cars, Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Marc Johnson (IMCA Northern SportMod) | 6th | - | - | 20th |
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| 7/23/2021 | Lafayette County Speedway - Darlington, WI Weekly Racing Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Marc Johnson (IMCA Northern SportMod) | 5th | - | - | DNS |
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| 8/6/2021 | Lafayette County Speedway - Darlington, WI Season Championship! Open, Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Marc Johnson (IMCA Northern SportMod) | 5th | - | - | 16th |
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| 8/18/2021 | Lafayette County Speedway - Darlington, WI Grant County Fair Race Vintage Full Body Stock Cars, Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Marc Johnson (IMCA Hobby Stock) | 7th | - | - | 12th |
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| 9/18/2021 | Lafayette County Speedway - Darlington, WI Bob Larson Memorial, Night 2 Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Marc Johnson (IMCA Northern SportMod) | 6th | - | 4th | - |
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| 10/15/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Iowa Dirt Nationals Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Semi-Pro Legends, Sport Compact, IMCA Modified | Results | | Marc Johnson (B Modifieds) | 8th | - | 8th | - |
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| 10/16/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Iowa Dirt Nationals Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, 600cc Modifieds, Sport Compact, IMCA Modified | Results | | Marc Johnson (B Modifieds) | 8th | - | 7th | - |
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