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| 4/30/2021 | US 36 Raceway - Osborn, MO Season Points Opener 305 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod | Results | | Jim Masoner Jr (A Modifieds) | 3rd | - | - | 7th |
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| 5/7/2021 | US 36 Raceway - Osborn, MO Regular Season Racing Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod, Pure Stock | Results | | Jim Masoner Jr (A Modifieds) | 4th | - | - | 9th |
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| 5/29/2021 | I-35 Speedway - Winston, MO Casey's General Store Night at the Races With SMVR Hobby Stocks, Midwest Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jim Masoner Jr (USRA Stock Cars) | 4th | - | - | 5th |
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| 6/12/2021 | Valley Speedway - Grain Valley, MO O'Reilly's Auto Parts Points Race Night Midgets: POWRi Central States Midgets Hobby Stocks, Midwest Modifieds, IMCA Northern SportMod, IMCA Stock Car, Mod Lites | Results | | Jim Masoner Jr (IMCA Stock Car) | 8th | - | - | 13th (DNF) |
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| 6/18/2021 | US 36 Raceway - Osborn, MO Regular Season Racing Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod, Pure Stock | Results | | Jim Masoner Jr (A Modifieds) | 7th (DNF) | - | - | 6th |
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| 7/9/2021 | US 36 Raceway - Osborn, MO Regular Season Racing 305 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod, Pure Stock | Results | | Jim Masoner Jr (A Modifieds) | 3rd | - | - | 7th (DNF) |
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| 7/17/2021 | I-35 Speedway - Winston, MO Good Shepherd Hospice Night Kaster Celebration Special - MWRA Will Not Be Racing Hobby Stocks, Midwest Modifieds, Dirt Late Models, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jim Masoner Jr (USRA Modifieds) | 8th | - | - | 12th |
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| 7/23/2021 | US 36 Raceway - Osborn, MO URSS Winged Sprints 360 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod | Results | | Jim Masoner Jr (A Modifieds) | 7th | - | - | 6th |
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| 7/30/2021 | US 36 Raceway - Osborn, MO Joe Crist Memorial Stock Car Race Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod, Pure Stock | Results | | Jim Masoner Jr (Stock Cars) | 5th | - | - | 15th | | Jim Masoner Jr (A Modifieds) | 5th | - | - | 5th (DNF) |
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| 8/6/2021 | US 36 Raceway - Osborn, MO Regular Season Racing Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod, Pure Stock | Results | | Jim Masoner Jr (A Modifieds) | 7th | - | - | 7th (DNF) |
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| 8/7/2021 | Bethany Fairgrounds Speedway - Bethany, MO Regular Season Racing - E Mod, Pure, Sport, Stock, Mod A Modifieds, B Modifieds, Street Stocks, Limited Sport Mod, Pure Stock | Results | | Jim Masoner Jr (A Modifieds) | 6th | - | - | 6th |
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| 8/14/2021 | I-35 Speedway - Winston, MO Smokin' Trackside BBQ Bash Seeburg Muffler Night With Vintage Car Special Hobby Stocks, Midwest Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Vintage Modifieds, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jim Masoner Jr (USRA Stock Cars) | 5th | - | - | 13th |
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| 8/21/2021 | Bethany Fairgrounds Speedway - Bethany, MO Regular Season Racing - E Mod, Pure, Sport, Stock, Mod A Modifieds, B Modifieds, Street Stocks, Limited Sport Mod, Pure Stock | Results | | Jim Masoner Jr (A Modifieds) | 7th | - | - | 4th |
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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 Masoner Jr (IMCA Modified) | 8th (DNF) | - | - | - |
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| 9/9/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s Sportsmans, Midwest Modifieds, Vintage Full Body Stock Cars, IMCA Modified, IMCA Stock Car | Results | | Jim Masoner Jr (IMCA Modified) | 11th (DNF) | - | - | - |
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| 9/10/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s Generic 2, IMCA Modified, IMCA Stock Car | Results | | Jim Masoner Jr (IMCA Modified) | 10th (DNF) | - | - | - |
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| 10/8/2021 | US 36 Raceway - Osborn, MO IMCA Missouri Nationals 305 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod, Pure Stock | Results | | Jim Masoner Jr (A Modifieds) | 6th | - | - | 13th |
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| 10/9/2021 | US 36 Raceway - Osborn, MO IMCA Missouri Nationals 305 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod, Pure Stock | Results | | Jim Masoner Jr (A Modifieds) | 4th | - | - | 18th (DNF) |
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