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| 4/18/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Frostbuster 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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| 4/25/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 6th | - | - | 4th |
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| 5/2/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | - | - | - | 6th |
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| 5/9/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Series IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 3rd | - | - | 1st |
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| 5/16/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Series Dirt Late Models: Tri-State Late Models IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 3rd | - | - | 4th |
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| 5/23/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Series 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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| 5/30/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Series IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 2nd | - | - | 11th (DNF) |
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| 6/6/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Series 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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| 6/13/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Series IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 2nd | - | - | 3rd |
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| 6/19/2021 | Your Favorite Track [TEST] - Lincoln, NE Weekly Racing Night 6 410 Sprints - Winged, Dirt Super Late Models, Stock Cars, A Modifieds | Results | | Gregg Hamman (410 Sprints - Winged) | - | - | - | - |
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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 | | Gregg Hamman (IMCA Northern SportMod) | 1st | - | - | 5th |
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| 6/27/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Series IMCA Modified: Midwest Madness Tour IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 1st | - | - | 16th |
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| 6/29/2021 | Clay County Fair Speedway - Spencer, IA Midwest Madness Tour IMCA Modified: Midwest Madness Tour IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 1st | - | - | 8th |
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| 6/30/2021 | Buena Vista Raceway - Alta, IA Midwest Madness Tour/Kyle Suter Memorial Race IMCA Modified: Midwest Madness Tour Hobby Stocks, Stock Cars, B Modifieds, Sport Compact, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 6th | - | - | 26th (DNF) |
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| 7/4/2021 | Interstate Speedway (SD) - Jefferson, SD 4th of July Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 7th | - | - | 9th (DNF) |
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| 7/11/2021 | Worthington Speedway - Worthington, MN SUNDAY NIGHT RACES Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact | Results | | Gregg Hamman (B Modifieds) | 3rd | - | - | 14th (DNF) |
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| 7/21/2021 | Buena Vista Raceway - Alta, IA Sprint Car Special 305 Sprints - Winged, Hobby Stocks, Stock Cars, B Modifieds, Sport Compact, 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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| 7/25/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 6th (DNF) | - | - | 10th |
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| 7/28/2021 | Clay County Fair Speedway - Spencer, IA Hunting with Heroes Salute to Veterans Night #1 A Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 7th | - | 9th | 23rd (DNF) |
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| 8/2/2021 | Clay County Fair Speedway - Spencer, IA The Clay County Clash A Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 6th (DNF) | - | - | 18th |
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| 8/14/2021 | Worthington Speedway - Worthington, MN Regular Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (B Modifieds) | 6th | - | - | 5th |
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| 8/21/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #19 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Gregg Hamman (IMCA Northern SportMod) | 9th (DNF) | - | 4th | - |
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| 9/5/2021 | Boone Speedway - Boone, IA Wild Rose Casino Prelude to the Super Nationals IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact, Pro Dwarf, IMCA Mod Lite | Results | | Gregg Hamman (IMCA Northern SportMod) | 7th | - | DNS | - |
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| 9/6/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s IMCA Late Models, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Gregg Hamman (IMCA Northern SportMod) | 9th (DNF) | - | - | - |
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| 9/7/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s Vintage Modifieds, Generic 1, IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 6th | - | 10th | - |
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| 9/19/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing 305 Sprints - Winged, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 2nd | - | - | 1st |
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| 9/26/2021 | Interstate Speedway (SD) - Jefferson, SD Season Championship IMCA Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 3rd | - | - | 4th |
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| 10/2/2021 | Interstate Speedway (SD) - Jefferson, SD SD Nationals IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 7th (DNF) | - | - | 16th (DNF) |
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| 10/3/2021 | Interstate Speedway (SD) - Jefferson, SD SD Nationals IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Gregg Hamman (IMCA Northern SportMod) | 3rd | - | - | 13th |
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