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| 4/23/2021 | Fayette County Speedway - West Union, IA Weekly Points Race 600cc Modifieds, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Joe Brenner (USRA Stock Cars) | 6th | - | - | 13th |
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| 4/30/2021 | Fayette County Speedway - West Union, IA Weekly Points Race 600cc Modifieds, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Joe Brenner (USRA Stock Cars) | 4th | - | - | 13th |
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| 5/15/2021 | Hamilton County Speedway - Webster City, IA Kid's Night + $1,000-to-Win Mods USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Joe Brenner (USRA Stock Cars) | 4th | - | - | 15th |
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| 5/22/2021 | Hamilton County Speedway - Webster City, IA Bob Flaws Memorial + Stock Car Challenge $1,600-to-Win USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Joe Brenner (USRA Stock Cars) | 8th | - | 7th | - |
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| 6/4/2021 | Fayette County Speedway - West Union, IA Weekly Points Race - Sponsored by Pioneer & United Beverage 600cc Modifieds, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Joe Brenner (USRA Stock Cars) | 3rd | - | - | 15th |
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| 6/5/2021 | Winneshiek Raceway - Decorah, IA Race Sponsored by KVIK USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners, Mod Lites | Results | | Joe Brenner (USRA Stock Cars) | 6th | - | - | 7th |
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| 6/11/2021 | Fayette County Speedway - West Union, IA Weekly Points Race ~ Sponsored by Alpha Tap ~ $1000 to win BMods 600cc Modifieds, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Joe Brenner (USRA Stock Cars) | 5th | - | - | 10th |
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| 6/12/2021 | Hamilton County Speedway - Webster City, IA Karl Chevrolet Fan Appreciation Night + Kid's Night Dirt Super Late Models, Super Truck, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Joe Brenner (USRA Stock Cars) | 3rd | - | - | 23rd (DNF) |
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