| | Heat | Dash | B Feature | A Feature |
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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 | | Mike Miller (Pure Stock) | 4th | - | - | 6th |
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| 5/14/2021 | Electric City Speedway - Butler, MO Factory Stocks, Midwest Modifieds, Street Stocks, Sport Compact, USRA Modifieds | Results | | Mike Miller (Factory Stocks) | 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 | | Mike Miller (Hobby Stocks) | 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 | | Mike Miller (Hobby Stocks) | 8th | - | - | 9th |
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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 | | Mike Miller (Pure Stock) | 4th | - | - | 3rd |
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| 6/5/2021 | Bethany Fairgrounds Speedway - Bethany, MO Non-Winged Sprints: Midwest Wingless Racing Association B Modifieds, Limited Sport Mod, Pure Stock | Results | | Mike Miller (Pure Stock) | 4th | - | - | 10th (DNF) |
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| 6/19/2021 | Lucas Oil Speedway - Wheatland, MO Weekly Show #8 - Presented by iHeartMedia Dirt Late Models, Pure Stock, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Mike Miller (Pure Stock) | 2nd | - | - | 11th (DNF) |
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| 7/16/2021 | US 36 Raceway - Osborn, MO 360 Sprints - Winged: ASCS National with ASCS Warrior Region Stock Cars, Pure Stock | Results | | Mike Miller (Pure Stock) | 6th | - | - | 10th |
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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 | | Mike Miller (Hobby Stocks) | 4th | - | - | DNS |
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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 | | Mike Miller (Pure Stock) | 6th | - | - | 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 | | Mike Miller (Pure Stock) | 3rd | - | - | 6th |
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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 | | Mike Miller (Pure Stock) | 3rd | - | - | 2nd |
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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 | | Mike Miller (Pure Stock) | 4th | - | - | 11th |
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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 | | Mike Miller (Pure Stock) | 3rd | - | - | 16th (DNF) |
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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 | | Mike Miller (Hobby Stocks) | 8th | - | DNS | - |
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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 | | Mike Miller (Pure Stock) | 5th | - | - | 12th |
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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 | | Mike Miller (Hobby Stocks) | 2nd | - | - | 5th |
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| 10/7/2021 | US 36 Raceway - Osborn, MO IMCA Missouri Nationals Test 'n' Tune Night 305 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds, Limited Sport Mod, Pure Stock | Results | | Mike Miller (Pure Stock) | - | - | - | - |
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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 | | Mike Miller (Pure Stock) | 6th | - | 5th | - |
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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 | | Mike Miller (Pure Stock) | - | - | - | 12th |
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| 10/16/2021 | I-35 Speedway - Winston, MO Larry McFee Trucking Night at the races with "Be Aware Cancer Rally" Hobby Stocks, Midwest Modifieds, Dirt Late Models, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Mike Miller (Hobby Stocks) | 2nd | - | - | 13th |
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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 | | Mike Miller (Hobby Stocks) | 4th | - | - | 15th |
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