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| 4/30/2021 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + 305 Sprints DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, IMCA RaceSaver Sprint Car | Results | | Aaron Guillaume (IMCA RaceSaver Sprint Car) | 5th | - | - | 12th |
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| 6/11/2021 | Crawford County Speedway - Denison, IA Regular Night All Classes-$1000 to win Modified and Sprint Cars. Sponsored by Finishline 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets, Sport Compact | Results | | Aaron Guillaume (305 Sprints - Winged) | 3rd | - | - | 8th |
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| 6/18/2021 | Wagner Speedway - Wagner, SD Week 7 Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Aaron Guillaume (IMCA RaceSaver Sprint Car) | 3rd | - | - | 6th |
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| 7/2/2021 | Crawford County Speedway - Denison, IA Regular Night All Classes-$600 to win Hobby Stock and $400 to win Sport Compact 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Aaron Guillaume (305 Sprints - Winged) | 7th | - | - | 16th (DNF) |
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| 7/23/2021 | Wagner Speedway - Wagner, SD Week 11 Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Aaron Guillaume (IMCA Stock Car) | - | - | - | 7th |
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| 8/6/2021 | Wagner Speedway - Wagner, SD Week 13 Hobby Stocks, Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Aaron Guillaume (IMCA Stock Car) | 6th | - | - | 11th (DNF) |
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| 8/10/2021 | Park Jefferson International Speedway - Jefferson, SD J&J Fitting Iron Cup Night 2 B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Aaron Guillaume (IMCA Stock Car) | 8th (DNF) | - | - | DNS |
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