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| 5/8/2021 | 141 Speedway - Maribel, WI Mother's Day / "Red" Race $1,000.00 to Win Red IMCA Modified / 141 Championship Cup Race #4 Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jacob Rens (Sportsmans) | 7th | - | 9th | 24th |
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| 5/14/2021 | Outagamie Speedway - Seymour, WI Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jacob Rens (Street Stocks) | 5th | - | - | 17th (DNF) | | Jacob Rens (IMCA Stock Car) | - | - | - | - |
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| 6/15/2021 | 141 Speedway - Maribel, WI Clash at The Creek XIII Practice Plus Street Stock "Red" Race for the Red, White and Blue Series Sportsmans, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jacob Rens (Sportsmans) | 5th | - | 2nd | 12th |
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| 6/18/2021 | Outagamie Speedway - Seymour, WI MSA Sprints join the program 360 Sprints - Winged: Midwest Sprint Car Association Street Stocks, IMCA Modified, IMCA Stock Car, IMCA Sport Compact | Results | | Jacob Rens (Street Stocks) | 5th | - | - | 6th |
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| 7/2/2021 | Outagamie Speedway - Seymour, WI SPEED & FIREWORKS on Independence Day Weekend at Outagamie Speedway Street Stocks, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jacob Rens (Street Stocks) | 8th | - | 2nd | 15th |
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| 7/16/2021 | Outagamie Speedway - Seymour, WI 5 Divisions Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jacob Rens (Street Stocks) | 7th (DNF) | - | 2nd | 20th (DNF) |
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| 9/24/2021 | 141 Speedway - Maribel, WI 12th Annual Treek Strong Creek Classic / "Blue" Race $1,000.00 to Win IMCA Modifieds Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jacob Rens (Sportsmans) | 9th | - | 12th | - |
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| 9/25/2021 | 141 Speedway - Maribel, WI 12th Annual Treek Strong Creek Classic Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jacob Rens (Sportsmans) | 5th | - | 11th | - |
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