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| 4/2/2021 | Marshalltown Speedway - Marshalltown, IA 141 Speedway / Left Turn Lounge IMCA FrostBuster IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Austin Mehmen (IMCA Hobby Stock) | 7th | - | 4th | - |
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| 5/15/2021 | Independence Motor Speedway - Independence, IA Albert Auto Night DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, Stock Non-Wing, B Modifieds, Dirt Late Models | Results | | Austin Mehmen (Hobby Stocks) | 3rd | - | - | 18th |
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| 6/5/2021 | Independence Motor Speedway - Independence, IA Fahr Beverage Mid Season DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, Stock Non-Wing, B Modifieds, Dirt Late Models | Results | | Austin Mehmen (Hobby Stocks) | 3rd | - | - | 6th |
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| 6/18/2021 | Marshalltown Speedway - Marshalltown, IA RBF Electric $400.00 to Win IMCA Hobby Stocks Dwarf, Dirt Pro Trucks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, Sportsman Dwarf | Results | | Austin Mehmen (IMCA Hobby Stock) | 5th | - | - | 8th |
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| 7/23/2021 | Marshalltown Speedway - Marshalltown, IA Rumours Bar & Grille Casey's Salute to Marshalltown Police Dwarf, Dirt Pro Trucks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Austin Mehmen (IMCA Hobby Stock) | 5th | - | - | 7th |
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| 7/24/2021 | Independence Motor Speedway - Independence, IA Iowa Donor Night DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, Stock Non-Wing, B Modifieds, Dirt Late Models | Results | | Austin Mehmen (Hobby Stocks) | 2nd | - | - | 16th |
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| 8/22/2021 | Benton County Speedway - Vinton, IA Season Championship IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Austin Mehmen (IMCA Hobby Stock) | 3rd | - | - | 12th (DNF) |
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| 9/5/2021 | Boone Speedway - Boone, IA Wild Rose Casino Prelude to the Super Nationals IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact, Pro Dwarf, IMCA Mod Lite | Results | | Austin Mehmen (IMCA Hobby Stock) | 5th | - | 8th | - |
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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 | | Austin Mehmen (IMCA Hobby Stock) | 6th | - | 3rd | - |
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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 | | Austin Mehmen (IMCA Hobby Stock) | 1st | - | - | 21st (DNF) |
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| 9/17/2021 | Marshalltown Speedway - Marshalltown, IA 15th Annual World Nationals IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Austin Mehmen (IMCA Hobby Stock) | 1st | - | - | 2nd |
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| 9/18/2021 | Marshalltown Speedway - Marshalltown, IA 15th Annual World Nationals IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Austin Mehmen (IMCA Hobby Stock) | 4th | - | - | 23rd (DNF) |
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