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| 4/15/2021 | US 30 Speedway - Columbus, NE Opening Night IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 7th | - | - | 18th |
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| 4/29/2021 | US 30 Speedway - Columbus, NE Weekly Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 5th (DNF) | - | - | 15th (DNF) |
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| 5/7/2021 | Wagner Speedway - Wagner, SD Week 1 Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 2nd | - | - | 6th (DNF) |
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| 5/14/2021 | Wagner Speedway - Wagner, SD Week 2 Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 1st | - | - | 1st |
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| 5/21/2021 | Wagner Speedway - Wagner, SD Week 3 Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 5th (DNF) | - | - | 1st |
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| 5/28/2021 | Wagner Speedway - Wagner, SD Week 4 IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 2nd | - | - | 3rd |
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| 5/29/2021 | Park Jefferson International Speedway - Jefferson, SD 410 Sprint Cars featuring NOSA plus IMCA 410 Sprints - Winged: Northern Outlaw Sprint Association B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 3rd | - | - | 4th |
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| 6/4/2021 | Wagner Speedway - Wagner, SD MSTS Western Swing at Wagner Speedway 360 Sprints - Winged: Midwest Sprint Touring Series IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 1st | - | - | 2nd |
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| 6/11/2021 | Wagner Speedway - Wagner, SD Week 6 Street Stocks, Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 1st | - | - | 2nd |
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| 6/18/2021 | Wagner Speedway - Wagner, SD Week 7 Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 1st | - | - | 1st |
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| 6/20/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Series IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 4th | - | - | 13th |
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| 6/25/2021 | Wagner Speedway - Wagner, SD MSTS at Wagner Speedway 360 Sprints - Winged, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 1st | - | - | 1st |
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| 7/2/2021 | Wagner Speedway - Wagner, SD Week 9 Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 1st | - | - | 3rd |
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| 7/23/2021 | Wagner Speedway - Wagner, SD Week 11 Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 2nd | - | - | 1st |
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| 8/6/2021 | Wagner Speedway - Wagner, SD Week 13 Hobby Stocks, Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 1st | - | - | 1st |
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| 8/9/2021 | Park Jefferson International Speedway - Jefferson, SD J&J Fitting Iron Cup Night 1 B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 4th | - | - | 11th |
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| 8/10/2021 | Park Jefferson International Speedway - Jefferson, SD J&J Fitting Iron Cup Night 2 B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 4th | - | - | 4th |
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| 8/13/2021 | Wagner Speedway - Wagner, SD Week 14 IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 1st | - | - | 1st |
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| 8/20/2021 | Wagner Speedway - Wagner, SD Week 15 Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 3rd | - | - | 1st |
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| 8/27/2021 | Wagner Speedway - Wagner, SD Championship Dirt Late Models, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Dudley Schroeder Jr (IMCA Northern SportMod) | 5th | - | - | 2nd |
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| 10/9/2021 | Murray County Speedway - Slayton, MN Hub City Rumble - Repairable Vehicles.com Tri State Late Models Dirt Late Models: Tri-State Late Models Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Dudley Schroeder Jr (B Modifieds) | 2nd | - | - | 17th |
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