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| 4/8/2023 | Off Road Speedway - Norfolk, NE Dirt Crown Series Stock Cars: Dirt Crown Hobby Stocks | Results | | Brian Seibold (Stock Cars) | 8th | - | - | - |
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| 4/23/2023 | Interstate Speedway (SD) - Jefferson, SD Interstate Speedway Grand Opening / 53rd Annual IMCA Weekly Racing Season Opener B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 6th | - | - | 3rd |
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| 4/29/2023 | Park Jefferson International Speedway - Jefferson, SD Opening Night B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 3rd | - | - | 8th (DNF) |
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| 4/30/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing plus IMCA Race Saver Sprint Cars B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 2nd | - | - | 11th |
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| 5/13/2023 | Shelby County Speedway - Harlan, IA SCS Chase to the Championship, Round 3 Hobby Stocks, Stock Cars, B Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Sport Compact | Results | | Brian Seibold (Stock Cars) | 5th | - | - | 11th |
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| 5/20/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 7th | - | - | 6th (DNF) |
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| 5/21/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing plus Tri-State Late Models Dirt Late Models: Tri-State Late Models Dirt Super Late Models, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 3rd | - | - | 8th |
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| 5/25/2023 | Park Jefferson International Speedway - Jefferson, SD Test & Tune B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | - | - | - | - |
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| 5/27/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 5th | - | - | 8th |
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| 5/28/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 8th (DNF) | - | - | 9th |
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| 5/29/2023 | Park Jefferson International Speedway - Jefferson, SD $5,000 to win RTI Nationals (Monday) Memorial Day A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 6th | - | - | 10th |
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| 6/3/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 1st | - | - | 7th |
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| 6/4/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 2nd | - | - | 13th (DNF) |
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| 6/12/2023 | Park Jefferson International Speedway - Jefferson, SD 360 Sprint Cars Compacts, Hobby's, SP Mod, Stock Car, A Mod 360 Sprints - Winged: Malvern Bank 360 Sprints with Midwest Sprint Touring Series A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 7th (DNF) | - | - | 14th (DNF) |
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| 6/18/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing plus GOTRA Vintage Races B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 2nd | - | - | 16th (DNF) |
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| 6/22/2023 | Park Jefferson International Speedway - Jefferson, SD Practice IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | - | - | - | - |
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| 6/24/2023 | Shelby County Speedway - Harlan, IA SCS Chase to the Championship, Round 8 Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Brian Seibold (Stock Cars) | 7th | - | 7th | - |
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| 6/27/2023 | Park Jefferson International Speedway - Jefferson, SD Midwest Madness Tour (Tuesday) IMCA Modified: Midwest Madness Tour A Modifieds, B Modifieds, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 8th (DNF) | - | 7th (DNF) | - |
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| 7/2/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing Non-Winged Sprints: Western Iowa Non-Wing Sprints - WINS B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 5th | - | - | 2nd |
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| 7/8/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing Dirt Late Models: Tri-State Late Models Dirt Super Late Models, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 6th | - | - | 12th (DNF) |
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| 7/9/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 8th | - | - | 16th (DNF) |
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| 7/16/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing plus IMCA Race Saver Sprint Cars B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 4th | - | - | 10th |
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| 7/22/2023 | Shelby County Speedway - Harlan, IA SCS Chase to the Championship, Round 10 Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, 600cc Modifieds | Results | | Brian Seibold (Stock Cars) | 7th | - | - | 10th |
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| 7/24/2023 | Park Jefferson International Speedway - Jefferson, SD Dave Riley Memorial Race $2556 to win Hobby Stock, $1056 Sp Mod,$1056 Stock car,$1056 Mods, $556 Com A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 4th | - | - | 11th |
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| 7/30/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing plus Midwest Classic Stock Cars B Modifieds, Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 8th (DNF) | - | - | 10th |
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| 8/3/2023 | Park Jefferson International Speedway - Jefferson, SD Practice 7pm 360 Sprints - Winged, Dirt Super Late Models, A Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | - | - | - | - |
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| 8/10/2023 | Park Jefferson International Speedway - Jefferson, SD Practice Dirt Super Late Models, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | - | - | - | - |
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| 8/12/2023 | Park Jefferson International Speedway - Jefferson, SD Late Models & $1000 win stock cars Dirt Late Models: Tri-State Late Models Dirt Super Late Models, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 6th (DNF) | - | - | 17th |
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| 8/18/2023 | Wagner Speedway - Wagner, SD Season Championship Sprint Cars, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 4th | - | - | 7th |
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| 8/19/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 4th | - | - | 7th |
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| 8/20/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 5th | - | - | 12th |
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| 8/26/2023 | Park Jefferson International Speedway - Jefferson, SD Season Championship B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 5th | - | - | 7th |
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| 8/27/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 8th (DNF) | - | - | 13th |
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| 9/16/2023 | Park Jefferson International Speedway - Jefferson, SD Racing national points B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 4th | - | - | 10th (DNF) |
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| 9/17/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 6th | - | - | 16th (DNF) |
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| 9/24/2023 | Interstate Speedway (SD) - Jefferson, SD 53rd Annual Interstate Speedway Season Championships B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | DNS | - | - | 14th |
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| 9/29/2023 | Park Jefferson International Speedway - Jefferson, SD Iron Cup Dirt Super Late Models, B Modifieds, Dirt Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 5th | - | - | 16th |
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| 9/30/2023 | Park Jefferson International Speedway - Jefferson, SD Iron Cup Dirt Super Late Models, B Modifieds, Dirt Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | - | - | - | 15th (DNF) |
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| 10/6/2023 | Interstate Speedway (SD) - Jefferson, SD South Dakota Fall Nationals B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 4th | - | - | - |
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| 10/7/2023 | Interstate Speedway (SD) - Jefferson, SD South Dakota Fall Nationals B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 3rd | - | - | 19th |
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| 10/21/2023 | Park Jefferson International Speedway - Jefferson, SD Charlie Clark Memorial $5022 to win! A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brian Seibold (IMCA Stock Car) | 5th | - | 3rd | 17th |
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