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| 4/26/2020 | Interstate Speedway (SD) - Jefferson, SD Casey's General Store Presents IMCA Weekly Racing Series Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact, IMCA Modified | Results | | Mike Grass (Limited Sport Mod) | - | - | - | - |
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| 6/12/2020 | Wagner Speedway - Wagner, SD Season Opener 305 Sprints - Winged, Hobby Stocks, B Modifieds, Dirt Late Models, Limited Modified, Sport Compact | Results | | Mike Grass (Limited Modified) | 7th | - | - | 11th (DNF) |
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| 7/3/2020 | Wagner Speedway - Wagner, SD Wagner Speedway: Firecracker Friday Dirt Late Models: Tri-State Late Models 305 Sprints - Winged, Hobby Stocks, B Modifieds, Limited Modified | Results | | Mike Grass (Hobby Stocks) | 3rd | - | - | 13th (DNF) |
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| 7/18/2020 | Park Jefferson International Speedway - Jefferson, SD IMCA Weekly Racing 305 Sprints - Winged, Hobby Stocks, Stock Cars, B Modifieds, Hornets, IMCA Modified | Results | | Mike Grass (Hobby Stocks) | 5th | - | - | 4th |
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| 7/24/2020 | Wagner Speedway - Wagner, SD Week 7 Hobby Stocks, Stock Cars, B Modifieds, Street Stocks, Dirt Late Models, Limited Modified | Results | | Mike Grass (Hobby Stocks) | 4th | - | - | 7th |
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| 7/31/2020 | Wagner Speedway - Wagner, SD Dirt Late Models: Tri-State Late Models Hobby Stocks, B Modifieds, Limited Modified, Sport Compact | Results | | Mike Grass (Hobby Stocks) | 5th | - | 9th | - |
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| 8/8/2020 | Park Jefferson International Speedway - Jefferson, SD 7th Annual J&J Fitting Iron Cup-IState Truck Centers Championship Night 305 Sprints - Winged, Hobby Stocks, Stock Cars, B Modifieds, Hornets, IMCA Modified | Results | | Mike Grass (Hobby Stocks) | 4th | - | - | 11th (DNF) |
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| 8/16/2020 | Interstate Speedway (SD) - Jefferson, SD Racers for Autism Weekly Racing Series IMCA Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Mike Grass (Hobby Stocks) | 2nd | - | - | DNS |
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| 8/22/2020 | Park Jefferson International Speedway - Jefferson, SD MPS, MSTS, & NE 360 sprints 360 Sprints - Winged: Malvern Bank 360 Sprints with Midwest Sprint Touring Series, Nebraska 360 sprints, Midwest Power Series Dirt Late Models: Tri-State Late Models 305 Sprints - Winged, Hobby Stocks, Stock Cars | Results | | Mike Grass (Hobby Stocks) | 5th | - | - | 9th |
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| 8/28/2020 | Wagner Speedway - Wagner, SD 360 Sprints - Winged: Midwest Sprint Touring Series Hobby Stocks, B Modifieds, Dirt Late Models, Limited Modified | Results | | Mike Grass (Hobby Stocks) | 5th | - | - | 6th |
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| 8/30/2020 | Interstate Speedway (SD) - Jefferson, SD Cookies Food Products presents IMCA Weekly Racing Vintage Full Body Stock Cars: Midwest Classic Stock Car Association Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Mike Grass (Hobby Stocks) | 2nd | - | - | 20th (DNF) |
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| 9/4/2020 | Interstate Speedway (SD) - Jefferson, SD Sams Club Presents IMCA Racing Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Mike Grass (Hobby Stocks) | 7th (DNF) | - | - | 13th |
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| 9/20/2020 | Interstate Speedway (SD) - Jefferson, SD Fleet Farm presents Season Championship Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Mike Grass (Hobby Stocks) | 1st | - | - | 17th |
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| 10/2/2020 | Interstate Speedway (SD) - Jefferson, SD 2nd Annual South Dakota Nationals Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Mike Grass (Hobby Stocks) | 5th | - | - | - |
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