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| 7/4/2020 | 141 Speedway - Maribel, WI Toby K's Hideway and Marshalltown Speedway Night Plus Go Karts Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Dennis Miesler (IMCA Northern SportMod) | 7th | - | 3rd | 16th |
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| 8/1/2020 | 141 Speedway - Maribel, WI TA Motorsports Party on the Pond Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Dennis Miesler (IMCA Northern SportMod) | 6th | - | 2nd | 12th |
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| 8/8/2020 | 141 Speedway - Maribel, WI FZE Manufacturing Powder Puff Races Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Dennis Miesler (IMCA Northern SportMod) | 7th | - | 4th | - |
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| 8/29/2020 | 141 Speedway - Maribel, WI Grandrud Chevrolet 141 Racing Experience IMCA Speedway Motors Weekly Racing Series Championships Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Dennis Miesler (IMCA Northern SportMod) | 6th | - | 3rd | - |
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| 9/17/2020 | Marshalltown Speedway - Marshalltown, IA Fast Shafts Dale DeFrance Thursday Night Thunder 500th IMCA Summer Series Late Model Event Dwarf, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Miesler (IMCA Northern SportMod) | 10th | - | 6th | - |
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| 9/18/2020 | Marshalltown Speedway - Marshalltown, IA 14th Annual World Nationals Presented by Speed Shift TV IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Miesler (IMCA Northern SportMod) | 10th | - | 11th (DNF) | - |
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| 9/19/2020 | Marshalltown Speedway - Marshalltown, IA 14th Annual World Nationals Presented by Speed Shift TV IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Miesler (IMCA Northern SportMod) | 5th | - | 7th | - |
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| 9/25/2020 | 141 Speedway - Maribel, WI 11th Annual Creek Classic "Blue Race" $1,000.00 to Win IMCA Modified Feature Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Dennis Miesler (IMCA Northern SportMod) | 8th | - | 5th | - |
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| 9/26/2020 | 141 Speedway - Maribel, WI 11th Annual Creek Classic Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Dennis Miesler (IMCA Northern SportMod) | 6th | - | 6th | - |
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