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| 3/30/2021 | Stuart Speedway - Stuart, IA AgHub Midwest IMCA Frostbuster IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Curtis Masterson (IMCA Sport Compact) | 1st | - | - | 7th |
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| 4/14/2021 | Stuart Speedway - Stuart, IA Lucas Oil MLRA Late Models Dirt Super Late Models: Lucas Oil MLRA IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Curtis Masterson (IMCA Sport Compact) | 1st | - | - | 2nd |
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| 4/24/2021 | I-35 Speedway - Winston, MO Good Shepherd Hospice Night at the Races with SMVR Hobby Stocks, Midwest Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Lightning Sprints, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Curtis Masterson (Sport Compact) | 1st | - | - | 6th |
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| 5/1/2021 | I-35 Speedway - Winston, MO Earley Tractor Cletus "MudCat" Murray Memorial With Midwest Lighting Sprints Hobby Stocks, Midwest Modifieds, Dirt Late Models, Lightning Sprints, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Curtis Masterson (Sport Compact) | 1st | - | - | 2nd |
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| 5/5/2021 | Stuart Speedway - Stuart, IA Bill Davis Memorial 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Curtis Masterson (IMCA Sport Compact) | 3rd | - | - | 6th |
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| 5/12/2021 | Stuart Speedway - Stuart, IA Jake Durbin Memorial 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Curtis Masterson (IMCA Sport Compact) | 1st | - | - | 2nd |
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| 5/14/2021 | Marshalltown Speedway - Marshalltown, IA Casey's Salute to Military / Haverhill Social Club Night Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Curtis Masterson (IMCA Sport Compact) | 2nd | - | - | - |
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| 5/26/2021 | Stuart Speedway - Stuart, IA Weekly Racing 600cc Modifieds, Dirt Pro Trucks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Curtis Masterson (IMCA Sport Compact) | 1st | - | - | 3rd |
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| 5/30/2021 | Stuart Speedway - Stuart, IA Whole Hog 50 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact, IMCA Mod Lite | Results | | Curtis Masterson (IMCA Sport Compact) | 4th | - | - | 1st |
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| 6/15/2021 | Stuart Speedway - Stuart, IA Dynamic Drivelines Dirt Duel IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Curtis Masterson (IMCA Sport Compact) | 1st | - | - | 5th |
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| 6/23/2021 | Stuart Speedway - Stuart, IA Weekly Racing 600cc Modifieds, Dirt Pro Trucks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Curtis Masterson (IMCA Sport Compact) | 7th (DNF) | - | - | 5th |
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| 7/1/2021 | Stuart Speedway - Stuart, IA Ron Little Memorial IMCA Modified: Midwest Madness Tour 600cc Modifieds, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Curtis Masterson (IMCA Sport Compact) | 3rd | - | - | 7th |
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| 7/16/2021 | Marshalltown Speedway - Marshalltown, IA Toby K's Hideaway $1,000.00 to Win IMCA Stock Cars Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Curtis Masterson (IMCA Sport Compact) | 2nd | - | - | 11th |
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| 7/21/2021 | Stuart Speedway - Stuart, IA Clint Walrod Memorial 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Curtis Masterson (IMCA Sport Compact) | 1st | - | - | 3rd |
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| 7/30/2021 | Warren County Speedway - Indianola, IA Warren County Fair Race! Factory Stocks, Hobby Stocks, Stock Cars, Sportsmans, Winged A-Class, Street Stocks, Hornets, Dirt Pro Trucks, Sport Compact, Super Stocks | Results | | Curtis Masterson (Sport Compact) | 2nd | - | - | - |
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| 8/11/2021 | Stuart Speedway - Stuart, IA Season Championship 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Curtis Masterson (IMCA Sport Compact) | 4th | - | - | 2nd |
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| 8/14/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #18 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Curtis Masterson (IMCA Sport Compact) | 1st | - | - | 3rd |
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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 | | Curtis Masterson (IMCA Sport Compact) | 2nd | - | - | 12th |
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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 | | Curtis Masterson (IMCA Sport Compact) | 2nd | - | - | 17th |
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| 9/18/2021 | Marshalltown Speedway - Marshalltown, IA 15th Annual World Nationals IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Curtis Masterson (IMCA Sport Compact) | 3rd | - | - | 9th |
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| 9/25/2021 | I-35 Speedway - Winston, MO Tompkins Industries Night at the Races With Midwest Lighting Sprints Lightning Sprints: POWRi Minn-Kota Lightning Sprints Midgets, Hobby Stocks, Midwest Modifieds, Dirt Late Models, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Curtis Masterson (Sport Compact) | 1st | - | - | 3rd |
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