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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 | | Gregg Hamman (IMCA Northern SportMod) | 6th | - | - | 20th |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 5th | - | - | 10th |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 3rd | - | - | 5th |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 2nd | - | - | 7th |
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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 | | Gregg Hamman (IMCA Northern SportMod) | - | - | - | - |
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| 6/25/2023 | Worthington Speedway - Worthington, MN Midwest Madness Tour IMCA Modified: Midwest Madness Tour Sportsmans, B Modifieds, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 5th | - | - | 16th |
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| 6/26/2023 | Clay County Fair Speedway - Spencer, IA Midwest Madness Tour IMCA Modified: Midwest Madness Tour A Modifieds, B Modifieds, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 5th | - | - | 22nd (DNF) |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 6th | - | - | 19th (DNF) |
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| 6/28/2023 | Buena Vista Raceway - Alta, IA Midwest Madness Tour & Kyle Suter Memorial Race IMCA Modified: Midwest Madness Tour A Modifieds, B Modifieds, Street Stocks, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 3rd | - | - | 18th (DNF) |
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| 6/29/2023 | Stuart Speedway - Stuart, IA Ron Little Memorial / Midwest Madness Tour IMCA Modified: Midwest Madness Tour A Modifieds, B Modifieds, 600cc Modifieds, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 9th | - | 7th | - |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 4th | - | - | 9th |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 7th (DNF) | - | - | 13th (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 | | Gregg Hamman (IMCA Northern SportMod) | 3rd | - | - | 4th |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 1st | - | - | 16th (DNF) |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 2nd | - | - | 15th (DNF) |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 3rd | - | - | 3rd |
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| 9/3/2023 | Boone Speedway - Boone, IA Wild Rose Casino Double Down Prelude to the Super Nationals delivered by NAPA B Modifieds, IMCA Northern SportMod, IMCA Hobby Stock, Pro Dwarf, IMCA Mod Lite | Results | | Gregg Hamman (IMCA Northern SportMod) | 9th (DNF) | - | - | - |
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| 9/4/2023 | Boone Speedway - Boone, IA 2023 IMCA Speedway Motors Super Nationals Fueled by Casey's B Modifieds, Vintage Modifieds, Generic 1, IMCA Late Models, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Gregg Hamman (IMCA Northern SportMod) | 7th | - | 13th | - |
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| 9/5/2023 | Boone Speedway - Boone, IA 2023 IMCA Speedway Motors Super Nationals Fueled by Casey's B Modifieds, Vintage Modifieds, Generic 1, IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 8th | - | 13th | - |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 4th | - | - | 10th |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 5th | - | - | 6th |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 1st | - | - | 7th |
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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 | | Gregg Hamman (IMCA Northern SportMod) | - | 8th | - | 14th |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 5th | - | - | - |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 3rd | - | 2nd | - |
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| 10/20/2023 | Park Jefferson International Speedway - Jefferson, SD Practice 360 Sprints - Winged, Dirt Super Late Models, A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | - | - | - | - |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 4th | - | - | 8th |
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