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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 | | Steven Pierce (Stock Cars) | 5th | - | - | 16th |
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| 5/10/2020 | Interstate Speedway (SD) - Jefferson, SD Spring Thaw IMCA w/ Tri State Late Models Dirt Late Models: Tri-State Late Models Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Steven Pierce (Stock Cars) | 5th | - | - | 14th |
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| 5/17/2020 | Interstate Speedway (SD) - Jefferson, SD Professional Concrete Presents Sprint Series Of Nebraska Racesaver Sprints plus Weekly Racing Series 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Steven Pierce (Stock Cars) | 8th (DNF) | - | - | 21st |
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| 6/14/2020 | Interstate Speedway (SD) - Jefferson, SD Ideal Wheels Presents 305 Racesaver Sprints IMCA Weekly Racing Series 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Steven Pierce (Hobby Stocks) | 4th | - | - | 19th |
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| 6/28/2020 | Interstate Speedway (SD) - Jefferson, SD J&J Fittings presents Midwest Madness Mod Tour plus weekly Racing IMCA Modified: Midwest Madness Tour Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Steven Pierce (Hobby Stocks) | 6th | - | - | 24th |
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| 7/5/2020 | Interstate Speedway (SD) - Jefferson, SD Coney's Used Cars presents Tri State Late Modesl Plus IMCA Weekly Racing Dirt Late Models: Tri-State Late Models Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Steven Pierce (Hobby Stocks) | 1st | - | - | 12th |
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| 7/12/2020 | Interstate Speedway (SD) - Jefferson, SD Local Law Enforcement presents IMCA Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Steven Pierce (Hobby Stocks) | 3rd | - | - | 9th |
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| 7/19/2020 | Interstate Speedway (SD) - Jefferson, SD IDIF Presents Weekly Racing Series Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Steven Pierce (Hobby Stocks) | 7th (DNF) | - | - | 20th |
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| 7/26/2020 | Interstate Speedway (SD) - Jefferson, SD O'Reilly's Auto Parts present IMCA Weekly Racing Series Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Steven Pierce (Hobby Stocks) | 1st | - | - | 10th |
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| 8/2/2020 | Interstate Speedway (SD) - Jefferson, SD Hawkeye Distributions presents Weekly Racing Series Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Steven Pierce (Hobby Stocks) | 5th | - | - | 7th |
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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 | | Steven Pierce (Hobby Stocks) | 3rd | - | - | 17th (DNF) |
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| 8/23/2020 | Interstate Speedway (SD) - Jefferson, SD Contractor Supply presents IMCA Weekly Racing Series Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Steven Pierce (Hobby Stocks) | 3rd | - | - | 14th (DNF) |
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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 | | Steven Pierce (Hobby Stocks) | 4th | - | - | 19th (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 | | Steven Pierce (Hobby Stocks) | 6th (DNF) | - | - | 20th (DNF) |
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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 | | Steven Pierce (Hobby Stocks) | 1st | - | - | 11th |
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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 | | Steven Pierce (Hobby Stocks) | 3rd | - | - | 9th |
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| 10/3/2020 | Interstate Speedway (SD) - Jefferson, SD South Dakota Nationals Championship 2020 Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Steven Pierce (Hobby Stocks) | - | - | - | - |
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