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| 5/15/2021 | Winneshiek Raceway - Decorah, IA Sponsored By Seth's Repair USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners, Mod Lites | Results | | Dom Mueller (USRA B-Mods) | 3rd | - | - | 6th |
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| 5/22/2021 | Winneshiek Raceway - Decorah, IA Sponsored by Weis Buick GMC USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners, Mod Lites | Results | | Dom Mueller (USRA B-Mods) | 8th (DNF) | - | - | DNS |
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| 5/30/2021 | Winneshiek Raceway - Decorah, IA 13th Annual USMTS Nordic Nationals A Modifieds: USMTS - United States Modified Touring Series USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Dom Mueller (USRA B-Mods) | 2nd | - | - | 11th |
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| 6/12/2021 | Winneshiek Raceway - Decorah, IA USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners, Mod Lites | Results | | Dom Mueller (USRA B-Mods) | 4th | - | - | 6th |
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| 6/19/2021 | Winneshiek Raceway - Decorah, IA USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners, Mod Lites | Results | | Dom Mueller (USRA B-Mods) | 1st | - | - | 6th |
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| 6/24/2021 | Cresco Speedway - Cresco, IA Cresco Speeway - EAST Dirt Super Late Models: SLMR Late Model Series USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Dom Mueller (USRA B-Mods) | 4th | - | - | 7th |
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| 7/13/2021 | Winneshiek Raceway - Decorah, IA Winneshiek County Fair Race USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners, Mod Lites | Results | | Dom Mueller (USRA B-Mods) | 1st | - | - | 23rd (DNF) |
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| 7/21/2021 | Fayette County Speedway - West Union, IA Fayette County Fair Race - Rage Chassis 40 USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, IMCA Modified | Results | | Dom Mueller (USRA B-Mods) | 2nd | - | - | 4th |
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| 8/20/2021 | Fayette County Speedway - West Union, IA 2021 Season Championship ~ Sponsored by Appliance Plus of West Union 600cc Modifieds, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Dom Mueller (USRA B-Mods) | 5th | - | - | 11th |
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| 8/21/2021 | Winneshiek Raceway - Decorah, IA Upper Iowa Speedway - Weekly Points Race - Race Sponsored by LetterWerks USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners, Mod Lites | Results | | Dom Mueller (USRA B-Mods) | 2nd | - | - | 13th (DNF) |
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| 9/5/2021 | Fayette County Speedway - West Union, IA USMTS A Modifieds: USMTS - United States Modified Touring Series USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Dom Mueller (USRA B-Mods) | 6th | - | 1st | 12th |
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| 10/6/2021 | Lucas Oil Speedway - Wheatland, MO Practice Night USRA Stock Cars: USRA Nationals USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Tuners | Results | | Dom Mueller (USRA B-Mods) | - | - | - | - |
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| 10/7/2021 | Lucas Oil Speedway - Wheatland, MO 8th Annual Summit USRA Nationals Presented by MyRacePass USRA Stock Cars: USRA Nationals USRA B-Mods, USRA Modifieds, USRA Hobby Stocks | Results | | Dom Mueller (USRA B-Mods) | 4th | - | DNS | - |
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| 10/8/2021 | Lucas Oil Speedway - Wheatland, MO 8th Annual Summit USRA Nationals Presented by MyRacePass USRA Stock Cars: USRA Nationals USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Tuners | Results | | Dom Mueller (USRA B-Mods) | 4th | - | 3rd | - |
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| 10/9/2021 | Lucas Oil Speedway - Wheatland, MO 8th Annual Summit USRA Nationals Presented by MyRacePass USRA Stock Cars: USRA Nationals USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Tuners | Results | | Dom Mueller (USRA B-Mods) | - | - | 13th | - |
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