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| 6/6/2020 | 141 Speedway - Maribel, WI 141 Racing Experience IMCA Speedway Motors Weekly Season Points Opener Bank First Kids Coin Drop Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Rex Karner (Stock Cars) | 6th | - | - | 6th |
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| 6/13/2020 | 141 Speedway - Maribel, WI Prestige Custom Cabinetry Night "White Race" $1,000.00 to Win IMCA Modified Feature Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Rex Karner (Stock Cars) | 2nd | - | - | 7th |
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| 6/27/2020 | 141 Speedway - Maribel, WI Fireworks Extravaganza Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Rex Karner (Stock Cars) | 1st | - | - | 5th |
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| 7/4/2020 | 141 Speedway - Maribel, WI Toby K's Hideway and Marshalltown Speedway Night Plus Go Karts Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Rex Karner (Stock Cars) | 4th | - | - | 9th |
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| 7/11/2020 | 141 Speedway - Maribel, WI Christmas in July St Judes Night Triple Creek IMCA Stock Car Series $1,000.00 to Win Feature Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Rex Karner (Stock Cars) | 1st | - | - | 1st |
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| 8/1/2020 | 141 Speedway - Maribel, WI TA Motorsports Party on the Pond Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Rex Karner (Stock Cars) | 2nd | - | - | 7th |
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| 8/8/2020 | 141 Speedway - Maribel, WI FZE Manufacturing Powder Puff Races Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Rex Karner (Stock Cars) | 9th | - | - | 8th |
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| 8/15/2020 | 141 Speedway - Maribel, WI Back to School Night Triple Creek IMCA Stock Car Series $1,000.00 to Win Feature Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Rex Karner (Stock Cars) | 5th | - | - | 2nd |
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| 8/29/2020 | 141 Speedway - Maribel, WI Grandrud Chevrolet 141 Racing Experience IMCA Speedway Motors Weekly Racing Series Championships Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Rex Karner (Stock Cars) | 1st | - | - | 6th |
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| 9/11/2020 | Outagamie Speedway - Seymour, WI 410 Sprints - Winged: IRA Interstate Racing Association Baby Grand, IMCA Northern SportMod | Results | | Rex Karner (Baby Grand) | 3rd | - | - | 11th |
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| 9/19/2020 | Outagamie Speedway - Seymour, WI 2020 OUTAGAMIE SPEEDWAY FALL BRAWL Street Stocks, Dirt Late Models, Baby Grand, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Rex Karner (Baby Grand) | 2nd | - | - | 6th |
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