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| 5/1/2021 | Concordia Raceway - Concordia, KS Regular Points Night Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Asphalt Mini Stocks, Winged Outlaw, Non-Wing Outlaw, Junior Sprints, Enduro, Sportsman Micros | Results | | Mitchell Rengstorf (Stock Non-Wing) | - | - | - | - | | Mitchell Rengstorf (Sportsman Micros) | 3rd | - | - | 2nd |
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| 6/5/2021 | Washington Speedway - Washington, KS Regular Points Night Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Junior Sprints, Sportsman Micros | Results | | Mitchell Rengstorf (Sportsman Micros) | 1st | - | - | 6th |
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| 6/12/2021 | Jefferson County Speedway - Fairbury, NE JayHusker Micro Racing plus Sport Compacts Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Junior Sprints, Sportsman Micros, Sport Compact | Results | | Mitchell Rengstorf (Sportsman Micros) | 2nd | - | - | 6th |
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| 6/19/2021 | Concordia Raceway - Concordia, KS Regular Points Night Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Asphalt Mini Stocks, Winged Outlaw, Non-Wing Outlaw, Junior Sprints, Enduro, Sportsman Micros | Results | | Mitchell Rengstorf (Sportsman Micros) | 2nd | - | - | 10th (DNF) |
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| 6/26/2021 | Jefferson County Speedway - Fairbury, NE JayHusker Micro Racing plus Sport Compacts Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Junior Sprints, Sportsman Micros, Sport Compact | Results | | Mitchell Rengstorf (Sportsman Micros) | 2nd | - | - | 7th |
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| 7/3/2021 | Belleville High Banks - Belleville, KS Regular Points Night Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Midgets, Sportsman Micros | Results | | Mitchell Rengstorf (Sportsman Micros) | 3rd | - | - | 5th |
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| 7/10/2021 | Washington Speedway - Washington, KS Regular Points Night Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Junior Sprints, Sportsman Micros | Results | | Mitchell Rengstorf (Sportsman Micros) | 2nd | - | - | 6th |
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| 7/24/2021 | Clay County Fairgrounds - Clay Center, KS Regular Points Night Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Dirt Mini Trucks, Junior Sprints, Sportsman Micros | Results | | Mitchell Rengstorf (Sportsman Micros) | 4th | - | - | 5th |
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| 8/14/2021 | Jefferson County Speedway - Fairbury, NE JayHusker Micro Racing plus Sport Compacts Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Junior Sprints, Sportsman Micros, Sport Compact | Results | | Mitchell Rengstorf (Sportsman Micros) | 4th | - | - | 4th |
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| 8/21/2021 | Clay County Fairgrounds - Clay Center, KS Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Dirt Mini Trucks, Junior Sprints, Sportsman Micros | Results | | Mitchell Rengstorf (Sportsman Micros) | 2nd | - | - | 17th (DNF) |
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| 8/28/2021 | Jefferson County Speedway - Fairbury, NE JayHusker Micro Racing plus Sport Compacts Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Dirt Mini Trucks, Junior Sprints, Sportsman Micros, Sport Compact | Results | | Mitchell Rengstorf (Sportsman Micros) | 6th | - | - | 9th |
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| 9/4/2021 | Washington Speedway - Washington, KS Regular Points Night Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Dirt Mini Trucks, Junior Sprints, Sportsman Micros | Results | | Mitchell Rengstorf (Sportsman Micros) | 4th | - | - | 6th |
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| 9/5/2021 | Washington Speedway - Washington, KS Regular Points Night Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Junior Sprints, Sportsman Micros | Results | | Mitchell Rengstorf (Sportsman Micros) | 4th | - | - | 7th |
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| 9/25/2021 | Clay County Fairgrounds - Clay Center, KS Regular Points Night Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Dirt Mini Trucks, Junior Sprints, Sportsman Micros | Results | | Mitchell Rengstorf (Sportsman Micros) | 7th | - | - | DNS |
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