| | Heat | Dash | B Feature | A Feature |
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| 4/27/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 2nd | - | - | 3rd |
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| 4/28/2018 | 34 Raceway - West Burlington, IA Roberts Tire Center Night 305 Sprints - Winged, Stock Cars, A Modifieds, 2WD Trucks, Limited Sport Mod | Results | | Derrick Stewart (A Modifieds) | 1st | - | - | 9th |
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| 5/4/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 1st | - | - | 1st |
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| 5/5/2018 | 34 Raceway - West Burlington, IA 101.7 The Bull Night 305 Sprints - Winged, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 1st | - | - | 6th |
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| 5/11/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 4th | - | - | 10th |
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| 5/18/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 3rd | - | - | 11th |
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| 5/19/2018 | 34 Raceway - West Burlington, IA Fleck Sales Night 305 Sprints - Winged, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 1st | - | - | 11th |
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| 5/25/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 2nd | - | - | 5th |
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| 6/1/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Vintage Full Body Stock Cars, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 3rd | - | - | 10th |
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| 6/8/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 4th | - | - | 8th |
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| 6/15/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 5th | - | - | 9th |
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| 6/29/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 1st | - | - | 1st |
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| 7/6/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 1st | - | - | 11th |
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| 7/18/2018 | CJ Speedway - Columbus Junction, IA IMCA Late Models: Deery Brothers Summer Series Stock Cars, A Modifieds | Results | | Derrick Stewart (A Modifieds) | 1st | - | - | 3rd |
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| 7/19/2018 | Knoxville Raceway - Knoxville, IA | Results | | Derrick Stewart (A Modifieds) | 5th | - | 4th | 20th |
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| 7/20/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 2nd | - | - | 2nd |
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| 8/3/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Vintage Full Body Stock Cars, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 1st | - | - | 2nd |
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| 8/4/2018 | 34 Raceway - West Burlington, IA The Mix 107.3 Night & 3rd Annual High 5 for Kids Night 305 Sprints - Winged, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 7th | - | - | 8th |
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| 8/10/2018 | CJ Speedway - Columbus Junction, IA Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 4th | - | - | 12th |
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| 8/17/2018 | CJ Speedway - Columbus Junction, IA Season Championship Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 1st | - | - | 4th |
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| 8/31/2018 | CJ Speedway - Columbus Junction, IA $300 to win Sport Compacts Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Derrick Stewart (A Modifieds) | 5th | - | - | 18th |
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| 11/3/2018 | CJ Speedway - Columbus Junction, IA 2nd Annual DW Turkey Bash Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Rain Out |