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| 5/21/2021 | Murray County Speedway - Slayton, MN Regular Night Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jim Horejsi (B Modifieds) | 1st | - | - | 2nd |
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| 5/22/2021 | Worthington Speedway - Worthington, MN Season Opener 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 | | Jim Horejsi (B Modifieds) | - | - | - | 3rd |
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| 5/25/2021 | Jackson Motorplex - Jackson, MN Bank Midwest IMCA Series presented by Zac's Trailer Sales Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Jim Horejsi (B Modifieds) | 3rd | - | - | 21st (DNF) |
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| 6/18/2021 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Jim Horejsi (B Modifieds) | 4th | - | - | 6th |
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| 6/19/2021 | North Central Speedway - Brainerd, MN Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Jim Horejsi (B Modifieds) | 1st | - | - | 4th |
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| 6/24/2021 | Princeton Speedway - Princeton, MN Siercks Memorial Hobby Stocks, A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jim Horejsi (IMCA Northern SportMod) | 1st | - | - | 4th |
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| 6/25/2021 | North Central Speedway - Brainerd, MN 10000 lakes 10k A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jim Horejsi (IMCA Northern SportMod) | 8th | - | 4th | - |
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| 6/26/2021 | North Central Speedway - Brainerd, MN 10000 lakes 10k IMCA Modified: Land of Ten Thousand Lakes 10K A Modifieds, B Modifieds, IMCA Northern SportMod, IMCA Stock Car | Results | | Jim Horejsi (IMCA Northern SportMod) | 2nd | - | - | 6th |
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| 6/27/2021 | Granite City Motor Park - Sauk Rapids, MN IMCA - $10K to Win! IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jim Horejsi (IMCA Northern SportMod) | 3rd | - | - | 3rd |
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| 7/16/2021 | Murray County Speedway - Slayton, MN Hall of Fame Night & Swede Anderson/Gary Muecke Mod Special Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jim Horejsi (B Modifieds) | 3rd | - | - | 9th (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 | | Jim Horejsi (IMCA Northern SportMod) | 7th (DNF) | - | - | 8th |
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| 8/3/2021 | Deer Creek Speedway - Spring Valley, MN 2021 IMCA Harris Clash IMCA Modified, IMCA Northern SportMod | Results | | Jim Horejsi (IMCA Northern SportMod) | 5th | - | 4th | - |
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| 8/6/2021 | Murray County Speedway - Slayton, MN Regular Night - Sponsored by Van't Hof Milk Hauling Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jim Horejsi (B Modifieds) | 7th (DNF) | - | - | 4th |
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| 8/13/2021 | Murray County Speedway - Slayton, MN Jerry "Mahoney" Gronewold Hobby Special, plus Vintage Race Shirt Night Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jim Horejsi (B Modifieds) | - | - | - | 3rd |
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| 8/18/2021 | 141 Speedway - Maribel, WI Captain of the Creek III $10,000.00 to Win IMCA Northern SportMods - Qualifying Sport Compact, IMCA Modified, IMCA Northern SportMod | Results | | Jim Horejsi (IMCA Northern SportMod) | 2nd | - | - | 12th |
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| 8/19/2021 | 141 Speedway - Maribel, WI Captain of the Creek III $10,000.00 to Win IMCA Northern SportMods Stock Cars, IMCA Northern SportMod, IMCA Stock Car | Results | | Jim Horejsi (IMCA Northern SportMod) | 1st | - | - | 14th |
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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 | | Jim Horejsi (IMCA Northern SportMod) | 6th | - | 3rd | - |
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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 | | Jim Horejsi (IMCA Northern SportMod) | 2nd | - | 6th | 21st |
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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 | | Jim Horejsi (IMCA Northern SportMod) | 1st | - | - | 12th |
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| 9/8/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jim Horejsi (IMCA Northern SportMod) | - | - | - | 5th |
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| 9/11/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s Midwest Modifieds, Vintage Full Body Stock Cars, Vintage Modifieds, Generic 1, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jim Horejsi (IMCA Northern SportMod) | - | - | - | - |
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| 9/15/2021 | Clay County Fair Speedway - Spencer, IA The IMCA Blue Ribbon Showdown (Fair Race) IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Jim Horejsi (IMCA Northern SportMod) | 1st | - | - | 4th |
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| 9/19/2021 | Worthington Speedway - Worthington, MN King Turkey Day Races Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact | Results | | Jim Horejsi (B Modifieds) | 3rd | - | - | 7th |
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