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| 4/24/2021 | Rapid Speedway - Rock Rapids, IA Test N Tune 360 Sprints - Winged, DIRTcar Late Models, DIRTcar Sportsmans, Economy Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, IMCA RaceSaver Sprint Car | Results | | Chad Kooiker (USRA Hobby Stocks) | - | - | - | - |
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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 | | Chad Kooiker (USRA Hobby Stocks) | 6th (DNF) | - | DNS | - |
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| 5/7/2021 | Rapid Speedway - Rock Rapids, IA Rapid Speedway - WEST Dirt Super Late Models: SLMR Late Model Series DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Chad Kooiker (USRA Hobby Stocks) | 5th (DNF) | - | 4th | 13th |
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| 5/21/2021 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + 360 Sprints 360 Sprints - Winged: Midwest Sprint Touring Series DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Chad Kooiker (USRA Hobby Stocks) | 5th | - | 3rd | 13th |
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| 5/28/2021 | Rapid Speedway - Rock Rapids, IA 13th Annual USMTS Rapid Rumble A Modifieds: USMTS - United States Modified Touring Series DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Chad Kooiker (USRA Hobby Stocks) | 5th | - | 1st | 13th |
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| 6/4/2021 | Rapid Speedway - Rock Rapids, IA Mark Lloyd Memorial DIRTcar Late Models, DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Chad Kooiker (USRA Hobby Stocks) | 1st | - | - | 7th |
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| 6/11/2021 | Rapid Speedway - Rock Rapids, IA $1,500 to win at Rapid Speedway Dirt Late Models: Tri-State Late Models DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Chad Kooiker (USRA Hobby Stocks) | 3rd | - | - | 5th |
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| 6/12/2021 | I-90 Speedway - Hartford, SD MSTS at I-90 Speedway with Power Series 360 Sprints - Winged: Midwest Sprint Touring Series with Midwest Power Series 305 Sprints - Winged, Street Stocks, USRA B-Mods, USRA Hobby Stocks | Results | | Chad Kooiker (USRA Hobby Stocks) | - | - | - | - |
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| 6/18/2021 | Rapid Speedway - Rock Rapids, IA MSTS at Rapid Speedway with Power Series 360 Sprints - Winged: Midwest Sprint Touring Series with Midwest Power Series DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Chad Kooiker (USRA Hobby Stocks) | 5th | - | - | 12th |
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| 6/25/2021 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + A-Mod Special (Kids with Cancer Night) DIRTcar Sportsmans, A Modifieds, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Chad Kooiker (USRA Hobby Stocks) | 3rd | - | - | 11th |
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| 7/9/2021 | 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 | | Chad Kooiker (USRA Hobby Stocks) | 7th | - | 6th | - |
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| 7/16/2021 | Rapid Speedway - Rock Rapids, IA B-Mod Special DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Chad Kooiker (USRA Hobby Stocks) | 7th | - | - | 12th |
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| 7/23/2021 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Chad Kooiker (USRA Hobby Stocks) | 5th | - | - | 13th |
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| 8/6/2021 | Rapid Speedway - Rock Rapids, IA Dave Mulder Memorial DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Chad Kooiker (USRA Hobby Stocks) | 8th | - | 9th | - |
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| 8/13/2021 | Rapid Speedway - Rock Rapids, IA $1,500 to win at Rapid Speedway Dirt Late Models: Tri-State Late Models DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Chad Kooiker (USRA Hobby Stocks) | 5th (DNF) | - | - | 17th |
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| 9/17/2021 | Rapid Speedway - Rock Rapids, IA Rapid Speedway Nationals USRA Hobby Stocks, USRA Stock Cars, IMCA RaceSaver Sprint Car | Results | | Chad Kooiker (USRA Hobby Stocks) | 3rd | - | - | 14th |
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| 9/24/2021 | Huset's Speedway - Brandon, SD C & B Operations Cheater's Night / Tri-State Late Models Dirt Late Models: Tri-State Late Models Hobby Stocks, B Modifieds, Street Stocks | Results | | Chad Kooiker (Hobby Stocks) | 3rd | - | - | 6th |
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