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| 2/27/2021 | I-37 Speedway - Pleasanton, TX Opening Night Warm Up Race (Non Points) Factory Stocks, Asphalt Mini Stocks, Street Stocks, Limited Modified, IMCA Modified, IMCA Stock Car | Results | | Tom Grothues (Limited Modified) | 8th | - | - | 19th |
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| 3/6/2021 | Texana Raceway Park - Edna, TX The 2021 Return Sponsored by Race on Texas Factory Stocks, A Modifieds, B Modifieds, Street Stocks, Dirt Cage Kart Junior 1, Limited Sport Mod, IMCA Mod Lite, Cage Jr. Predator, Cage Sr. Predator | Results | | Tom Grothues (Limited Sport Mod) | 4th | - | - | 10th (DNF) |
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| 3/13/2021 | I-37 Speedway - Pleasanton, TX I-37 Speedway Race Night Factory Stocks, Asphalt Mini Stocks, Street Stocks, Dwarf, Dirt Pro Trucks, Limited Modified, IMCA Modified | Results | | Tom Grothues (Limited Modified) | 6th | - | - | DNS |
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| 3/20/2021 | I-37 Speedway - Pleasanton, TX I-37 Speedway Race Night Factory Stocks, Asphalt Mini Stocks, Street Stocks, Economy Late Models, Limited Modified, IMCA Modified | Results | | Tom Grothues (Limited Modified) | 4th | - | - | 4th |
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| 3/27/2021 | Texana Raceway Park - Edna, TX VP Racing Fuels Night at the Races Factory Stocks, A Modifieds, Restricted 'A' Class, Stock Non-Wing, B Modifieds, Dirt Cage Kart Junior 1, Limited Sport Mod, Pro Dwarf, IMCA Mod Lite, Cage Jr. Predator, Cage Sr. Predator | Results | | Tom Grothues (Limited Sport Mod) | 6th (DNF) | - | - | 11th (DNF) |
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| 4/10/2021 | Texana Raceway Park - Edna, TX Jude Allgayer Racing Night at the Races 305 Sprints - Winged, Factory Stocks, A Modifieds, B Modifieds, Street Stocks, Dirt Cage Kart Junior 1, Limited Sport Mod, IMCA Mod Lite, Cage Jr. Predator, Cage Sr. Predator | Results | | Tom Grothues (Limited Sport Mod) | 7th | - | - | 16th |
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| 4/23/2021 | I-37 Speedway - Pleasanton, TX King Of The Hill Night Limited Mods Factory Stocks, Asphalt Mini Stocks, Street Stocks, Limited Modified, IMCA Modified | Rain Out |
| 4/24/2021 | I-37 Speedway - Pleasanton, TX I-37 Speedway Race Night Factory Stocks, Asphalt Mini Stocks, Restricted 'A' Class, Stock Non-Wing, Street Stocks, Economy Late Models, Limited Modified, IMCA Modified | Results | | Tom Grothues (Limited Modified) | 4th | - | - | 10th |
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| 5/8/2021 | South Texas Race Ranch - Corpus Christi, TX 1333 Throwdown Factory Stocks, Stock Cars, Sportsmans, B Modifieds | Results | | Tom Grothues (B Modifieds) | 6th | - | 6th | 20th |
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| 5/15/2021 | Cotton Bowl Speedway - Paige, TX Race - All Classes & DCRST Dwarf: Dwarf Car Racing Series of Texas Factory Stocks, Street Stocks, Sport Compact, IMCA Modified, IMCA Southern SportMod, IMCA Stock Car | Results | | Tom Grothues (IMCA Southern SportMod) | 6th | - | - | 9th |
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| 5/22/2021 | I-37 Speedway - Pleasanton, TX King Of The Hill Night Mods Factory Stocks, Asphalt Mini Stocks, Street Stocks, Dirt Pro Trucks, Limited Modified, IMCA Modified | Results | | Tom Grothues (Limited Modified) | 5th | - | - | 13th |
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| 5/30/2021 | Texana Raceway Park - Edna, TX Tony's Mobil Home Service Salute to the Troops Featuring the STLMS Late Models Dirt Late Models: XR Southern Storm Factory Stocks, A Modifieds, B Modifieds, Street Stocks, Dirt Cage Kart Junior 1, Flat Adult Clone, Dirt Pro Trucks, Limited Sport Mod, IMCA Mod Lite, Cage Jr. Predator, Cage Sr. Predator | Results | | Tom Grothues (Limited Sport Mod) | DNS | - | - | DNS |
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| 6/12/2021 | South Texas Race Ranch - Corpus Christi, TX Pro Line Fabrication Night Factory Stocks, Stock Cars, Sportsmans, B Modifieds | Results | | Tom Grothues (B Modifieds) | 1st | - | - | 8th |
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| 6/19/2021 | Texana Raceway Park - Edna, TX Revved Up Sports Show Night at the Races Factory Stocks, A Modifieds, B Modifieds, Street Stocks, Dirt Cage Kart Junior 1, Flat Adult Clone, Limited Sport Mod, Pro Dwarf, IMCA Mod Lite, Cage Jr. Predator, Cage Sr. Predator | Results | | Tom Grothues (Limited Sport Mod) | 6th | - | - | 7th |
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| 6/26/2021 | I-37 Speedway - Pleasanton, TX I-37 Speedway Fireworks Night Factory Stocks, Asphalt Mini Stocks, Restricted 'A' Class, Stock Non-Wing, Street Stocks, Limited Modified, IMCA Modified | Results | | Tom Grothues (Limited Modified) | 7th | - | - | 6th |
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| 7/24/2021 | Cotton Bowl Speedway - Paige, TX Summer Showdown Series 2 - All Classes Factory Stocks, Street Stocks, Sport Compact, IMCA Modified, IMCA Southern SportMod, IMCA Stock Car | Results | | Tom Grothues (IMCA Southern SportMod) | 4th | - | - | 12th |
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| 7/31/2021 | I-37 Speedway - Pleasanton, TX Factory Stock $1500 To Win Factory Stocks, Asphalt Mini Stocks, Street Stocks, Asphalt 4-Cylinders, Limited Modified, IMCA Modified | Results | | Tom Grothues (Limited Modified) | 3rd | - | - | 11th |
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| 8/7/2021 | Cotton Bowl Speedway - Paige, TX Summer Showdown Series Finale - All Classes & DCRST Dwarf: Dwarf Car Racing Series of Texas Factory Stocks, Street Stocks, Sport Compact, IMCA Modified, IMCA Southern SportMod, IMCA Stock Car | Results | | Tom Grothues (IMCA Southern SportMod) | 7th | - | - | 10th |
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| 8/21/2021 | South Texas Race Ranch - Corpus Christi, TX Tecate Championship Chase Race 1 Factory Stocks, Stock Cars, Sportsmans, B Modifieds, Dirt Late Models, Dwarf | Results | | Tom Grothues (B Modifieds) | 5th | - | - | 8th |
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| 8/28/2021 | I-37 Speedway - Pleasanton, TX I-37 Speedway Race Night Factory Stocks, Asphalt Mini Stocks, Street Stocks, Dwarf, Economy Late Models, Limited Modified, IMCA Modified | Results | | Tom Grothues (Limited Modified) | 1st | - | - | 10th |
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| 9/4/2021 | South Texas Race Ranch - Corpus Christi, TX South Texas Speedway Racing Factory Stocks, Stock Cars, Sportsmans, B Modifieds, Dirt Late Models, Dwarf, 600cc Modifieds, Dirt Pro Trucks | Results | | Tom Grothues (B Modifieds) | 7th | - | - | 16th (DNF) |
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| 9/25/2021 | Cotton Bowl Speedway - Paige, TX Race - All Classes & DCRST Dwarf: Dwarf Car Racing Series of Texas Factory Stocks, Street Stocks, Sport Compact, IMCA Modified, IMCA Southern SportMod, IMCA Stock Car | Results | | Tom Grothues (IMCA Southern SportMod) | 5th | - | - | 21st |
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| 10/30/2021 | I-37 Speedway - Pleasanton, TX DTK Memorial Night 2 Factory Stocks, Asphalt Mini Stocks, Limited Modified, IMCA Modified | Results | | Tom Grothues (Limited Modified) | 8th | - | 6th | 20th |
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| 12/9/2021 | South Texas Race Ranch - Corpus Christi, TX Jerry Whiteaker Memorial 3 Practice Factory Stocks, Asphalt Mini Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, 250cc Open | Results | | Tom Grothues (B Modifieds) | - | - | - | - |
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