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| 4/27/2018 | Park Jefferson International Speedway - Jefferson, SD South Dakota Sprint Car Nationals 360 Sprints - Winged: Malvern Bank 360 Sprints with Midwest Sprint Touring Series, Nebraska 360 sprints 305 Sprints - Winged: IMCA RaceSaver Sprints Stock Cars, B Modifieds, Hornets | Results | | Dudley Schroeder Jr (B Modifieds) | 4th | - | - | 8th |
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| 4/28/2018 | Wagner Speedway - Wagner, SD Test and Tune 360 Sprints - Winged, Hobby Stocks, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact | Results | | Dudley Schroeder Jr (B Modifieds) | - | - | - | - |
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| 5/5/2018 | Wagner Speedway - Wagner, SD Wagner Speedway 360 Sprints - Winged: Midwest Sprint Touring Series Hobby Stocks, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact | Results | | Dudley Schroeder Jr (B Modifieds) | 1st | - | - | 2nd |
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| 5/25/2018 | Wagner Speedway - Wagner, SD WS Hobby Stocks, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact, WISSOTA Super Stock | Results | | Dudley Schroeder Jr (B Modifieds) | 3rd | - | - | 1st |
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| 6/9/2018 | Park Jefferson International Speedway - Jefferson, SD IMCA Weekly Racing plus Neb Mod Lites (No IMCA Sprint Cars-Jackson Natl) Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Dudley Schroeder Jr (B Modifieds) | 4th | - | - | 3rd |
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| 6/15/2018 | Wagner Speedway - Wagner, SD WS Hobby Stocks, B Modifieds, Dirt Late Models, Sport Compact, WISSOTA Super Stock | Results | | Dudley Schroeder Jr (B Modifieds) | 3rd | - | - | 7th |
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| 6/29/2018 | Wagner Speedway - Wagner, SD WS Dirt Late Models: Tri-State Late Models Hobby Stocks, B Modifieds, Sport Compact, WISSOTA Super Stock | Results | | Dudley Schroeder Jr (B Modifieds) | 2nd | - | - | 3rd |
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| 7/6/2018 | Wagner Speedway - Wagner, SD 360 Sprints - Winged: Malvern Bank 360 Sprints with Midwest Sprint Touring Series, Nebraska 360 sprints 305 Sprints - Winged: IMCA RaceSaver Sprints B Modifieds, Dirt Late Models, WISSOTA Super Stock | Results | | Dudley Schroeder Jr (B Modifieds) | 1st | - | - | 2nd |
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| 7/20/2018 | Wagner Speedway - Wagner, SD WS Hobby Stocks, B Modifieds, Dirt Late Models, Sport Compact, WISSOTA Super Stock | Results | | Dudley Schroeder Jr (B Modifieds) | 2nd | - | - | 12th |
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| 7/23/2018 | Park Jefferson International Speedway - Jefferson, SD Storm Solution Specialists present IMCA Dirt Knights Modified Tour Invades Park Jefferson Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Dudley Schroeder Jr (B Modifieds) | 6th | - | - | 3rd |
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| 8/10/2018 | Wagner Speedway - Wagner, SD 305 Sprints - Winged: IMCA RaceSaver Sprints Hobby Stocks, B Modifieds, Dirt Late Models, Sport Compact, WISSOTA Super Stock | Results | | Dudley Schroeder Jr (B Modifieds) | 3rd | - | - | 1st |
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| 8/17/2018 | Wagner Speedway - Wagner, SD WS Hobby Stocks, B Modifieds, Dirt Late Models, Sport Compact, WISSOTA Super Stock | Results | | Dudley Schroeder Jr (B Modifieds) | 5th | - | - | 2nd |
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| 8/24/2018 | Wagner Speedway - Wagner, SD WS Dirt Late Models: Tri-State Late Models Hobby Stocks, B Modifieds, Sport Compact, WISSOTA Super Stock | Results | | Dudley Schroeder Jr (B Modifieds) | 2nd | - | - | 6th |
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| 9/3/2018 | Wagner Speedway - Wagner, SD 305 Sprints - Winged: IMCA RaceSaver Sprints Hobby Stocks, B Modifieds, Dirt Late Models, Sport Compact, WISSOTA Super Stock | Results | | Dudley Schroeder Jr (B Modifieds) | 2nd | - | - | 2nd |
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| 9/8/2018 | Wagner Speedway - Wagner, SD September Sprint-tacular 360 Sprints - Winged: Midwest Sprint Touring Series Dirt Late Models: Tri-State Late Models 305 Sprints - Winged, Hobby Stocks, B Modifieds, Street Stocks | Results | | Dudley Schroeder Jr (B Modifieds) | 6th (DNF) | - | - | DNS |
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