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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 | | Clayton Stutesmun (USRA B-Mods) | 6th | - | - | 7th |
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| 5/8/2021 | I-35 Speedway - Winston, MO Bonnett Trailer Sales 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 | | Clayton Stutesmun (USRA B-Mods) | 4th | - | - | 8th |
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| 5/15/2021 | I-35 Speedway - Winston, MO Generational Buildings Night at the Races Hobby Stocks, Midwest Modifieds, Dirt Late Models, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Clayton Stutesmun (USRA B-Mods) | 7th | - | - | 14th |
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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 | | Clayton Stutesmun (USRA B-Mods) | 4th | - | - | 13th |
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| 6/4/2021 | US 36 Raceway - Osborn, MO Non-Winged Sprints: Midwest Wingless Racing Association 360 Sprints - Winged, B Modifieds, Limited Sport Mod, Pure Stock | Results | | Clayton Stutesmun (Limited Sport Mod) | 6th | - | - | 11th |
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| 6/5/2021 | I-35 Speedway - Winston, MO Rod End Supply Night at the Races With Midwest Lighting Sprints 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 | | Clayton Stutesmun (USRA B-Mods) | 5th | - | - | 16th |
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| 6/12/2021 | I-35 Speedway - Winston, MO Seeburg Muffler Night With USAC Midwest Wingless Sprints Special With Weekly Racing Program Non-Winged Sprints: Midwest Wingless Racing Association Hobby Stocks, Midwest Modifieds, Dirt Late Models, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Clayton Stutesmun (USRA B-Mods) | 1st | - | - | 15th |
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| 7/3/2021 | I-35 Speedway - Winston, MO Dixon Construction Concrete Night With "Show Me Vintage Memorial" 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 | | Clayton Stutesmun (USRA B-Mods) | 6th | - | - | 14th |
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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 | | Clayton Stutesmun (Limited Sport Mod) | 5th | - | - | 8th |
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| 7/31/2021 | Valley Speedway - Grain Valley, MO Points race night Hobby Stocks, Midwest Modifieds, IMCA Northern SportMod, Mod Lites | Results | | Clayton Stutesmun (IMCA Northern SportMod) | 4th | - | - | 7th |
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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 | | Clayton Stutesmun (Limited Sport Mod) | 7th | - | - | 10th |
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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 | | Clayton Stutesmun (Limited Sport Mod) | 6th | - | - | 4th |
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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 | | Clayton Stutesmun (USRA B-Mods) | 5th | - | - | 9th |
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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 | | Clayton Stutesmun (Limited Sport Mod) | 8th | - | - | 16th (DNF) |
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| 8/27/2021 | US 36 Raceway - Osborn, MO Regular Season Racing 305 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod, Pure Stock | Results | | Clayton Stutesmun (Limited Sport Mod) | 3rd | - | - | 7th |
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| 8/28/2021 | I-35 Speedway - Winston, MO Casey's General Store Night at the Races - "Mike Knight Memorial" Hobby Stocks, Midwest Modifieds, Dirt Late Models, Lightning Sprints, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Clayton Stutesmun (USRA B-Mods) | 5th | - | - | 14th |
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| 9/18/2021 | 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 | | Clayton Stutesmun (Limited Sport Mod) | 6th | - | - | 9th |
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| 9/25/2021 | Bethany Fairgrounds Speedway - Bethany, MO Championship Night A Modifieds, B Modifieds, Street Stocks, Limited Sport Mod, Pure Stock | Results | | Clayton Stutesmun (Limited Sport Mod) | 6th | - | - | 11th |
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| 10/2/2021 | I-35 Speedway - Winston, MO McCarthy Auto Group Show Me Spectacular 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 | | Clayton Stutesmun (USRA B-Mods) | 2nd | - | - | 10th |
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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 | | Clayton Stutesmun (Limited Sport Mod) | 6th | - | - | 19th (DNF) |
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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 | | Clayton Stutesmun (Limited Sport Mod) | - | - | - | 10th |
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| 10/23/2021 | I-35 Speedway - Winston, MO Scobee Powerline Night at the Races Hobby Stocks, Midwest Modifieds, Dirt Late Models, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Clayton Stutesmun (USRA B-Mods) | 4th | - | - | 12th |
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