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| 5/20/2020 | Stuart Speedway - Stuart, IA Stuart Season Opener Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, 600cc Modifieds, Sport Compact, IMCA Modified | Results | | Brett Vanderheiden (B Modifieds) | 4th | - | - | 22nd (DNF) |
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| 5/24/2020 | Stuart Speedway - Stuart, IA Stuart Speedway - WEST Dirt Super Late Models: SLMR Late Model Series Hobby Stocks, Stock Cars, B Modifieds, Dwarf, 600cc Modifieds | Rain Out |
| 6/1/2020 | Stuart Speedway - Stuart, IA Dirt Duel Stock Cars, B Modifieds, 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brett Vanderheiden (B Modifieds) | 9th | - | 10th (DNF) | - |
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| 6/2/2020 | Stuart Speedway - Stuart, IA Dirt Duel Stock Cars, B Modifieds, Dwarf, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brett Vanderheiden (B Modifieds) | 3rd | - | - | 18th (DNF) |
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| 6/3/2020 | Stuart Speedway - Stuart, IA Dirt Duel Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brett Vanderheiden (B Modifieds) | 8th (DNF) | - | 13th | - |
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| 7/3/2020 | Crawford County Speedway - Denison, IA IMCA Modified: Midwest Madness Tour Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Brett Vanderheiden (B Modifieds) | 2nd | - | - | 8th |
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| 7/18/2020 | Shelby County Speedway - Harlan, IA Shelby County Speedway - WEST Dirt Super Late Models: SLMR Late Model Series Stock Cars, B Modifieds, Sport Compact | Results | | Brett Vanderheiden (B Modifieds) | 1st | - | - | 3rd |
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| 7/25/2020 | Boone Speedway - Boone, IA Saturday Night Series #11 - Hawkeye Challenge 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, Lawn Mower Supermodified, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Brett Vanderheiden (IMCA Northern SportMod) | 3rd | - | - | 11th |
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| 8/1/2020 | Boone Speedway - Boone, IA D&E Outside Services Watermelon Classic, P1 Promotions Modified Challenge, P2R 2nd Chance Showdown Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Brett Vanderheiden (IMCA Northern SportMod) | 2nd | - | - | 18th (DNF) |
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| 8/7/2020 | Crawford County Speedway - Denison, IA Denny Hovinga Special 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Brett Vanderheiden (B Modifieds) | 8th (DNF) | - | - | 15th (DNF) |
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| 8/15/2020 | Boone Speedway - Boone, IA Saturday Night Series #14 - IMCA Sport Compact Shakedown Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brett Vanderheiden (IMCA Northern SportMod) | 3rd | - | - | 10th |
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| 8/19/2020 | Stuart Speedway - Stuart, IA Hall of Fame Induction Night Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, 600cc Modifieds, Sport Compact, IMCA Modified | Results | | Brett Vanderheiden (B Modifieds) | 1st | - | - | 6th |
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| 9/7/2020 | Boone Speedway - Boone, IA 2020 IMCA Speedway Motors Super Nationals Fueled by Casey’s Vintage Modifieds, Generic 1, IMCA Late Models, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Brett Vanderheiden (IMCA Northern SportMod) | 5th | - | - | - |
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| 9/8/2020 | Boone Speedway - Boone, IA 2020 IMCA Speedway Motors Super Nationals Fueled by Casey’s IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brett Vanderheiden (IMCA Northern SportMod) | DNS | - | - | - |
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| 10/2/2020 | Adams County Speedway - Corning, IA NAPA Auto Parts 22nd Annual “Tradition” Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Brett Vanderheiden (B Modifieds) | 2nd | - | - | 18th |
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| 10/3/2020 | Adams County Speedway - Corning, IA NAPA Auto Parts 22nd Annual “Tradition” Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Brett Vanderheiden (B Modifieds) | 5th | - | 11th | - |
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