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| 4/3/2021 | Monarch Motor Speedway - Wichita Falls, TX B Modifieds, 305 Sprints - Non-Winged, Pony Stock, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | 4th | - | - | 17th (DNF) |
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| 4/10/2021 | Rocket Raceway Park - Petty, TX $5,000/win FACTORY STOCKS! TEXAS SPRINT SERIES! 305 Sprints - Winged: Texas Sprint Series Hobby Stocks, Stock Cars, 600cc Modifieds, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, IMCA RaceSaver Sprint Car | Results | | Clayton Gross (USRA Limited Mods) | DNS | - | - | 18th |
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| 5/7/2021 | Buffalo Creek Speedway - Edgewood, TX Zeek's Construction USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | - | - | - | 5th |
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| 5/8/2021 | Hunt County Raceway - Greenville, TX Mothers Day Race Stock Cars, Restricted 'A' Class, Winged A-Class, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | 5th | - | - | 9th |
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| 5/14/2021 | RPM Speedway - Crandall, TX KR Cup Round #6 Dwarf, Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | 7th | - | - | 13th |
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| 5/15/2021 | Hunt County Raceway - Greenville, TX S.T.E.M.S.(Southern Topless Economy Modifieds) Stock Cars, Restricted 'A' Class, Winged A-Class, Limited Modified, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | 9th | - | - | 11th |
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| 5/30/2021 | Lonestar Speedway - Kilgore, TX Memorial Day Showdown Factory Stocks, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Clayton Gross (B Modifieds) | 7th | - | 8th | - |
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| 6/5/2021 | Hunt County Raceway - Greenville, TX IMCA Mod Lites A Modifieds: TOMS - Touring Outlaw Modified Series Stock Cars, Restricted 'A' Class, Winged A-Class, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | 6th | - | - | - |
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| 6/17/2021 | RPM Speedway - Crandall, TX KR Cup Event Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | 5th | - | - | 6th |
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| 6/19/2021 | Hunt County Raceway - Greenville, TX USRA American Racer Modified Series USRA Modifieds: USRA American Racer Modified Series Stock Cars, A Modifieds, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | 1st | - | - | 8th |
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| 6/26/2021 | Hunt County Raceway - Greenville, TX $700 to win USRA Limited Modifieds, USRA Factory Stock, $400. to win Econ. Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Cars, Dirt Late Models, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | 2nd | - | - | 1st |
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| 7/3/2021 | Hunt County Raceway - Greenville, TX S.T.E.M.S.(Southern Topless Economy Modifieds) Fireworks Stock Cars, Restricted 'A' Class, Winged A-Class, Limited Modified, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | 1st | - | - | 3rd |
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| 7/9/2021 | RPM Speedway - Crandall, TX KR Cup Round #10 Dwarf, Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | 6th | - | - | 12th |
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| 9/4/2021 | RPM Speedway - Crandall, TX 7th Annual Bryan Mize Memorial USRA Modifieds: USRA American Racer Modified Series A Modifieds, Dwarf, Limited Modified, USRA Limited Mods, USRA Factory Stocks | Results | | Clayton Gross (USRA Limited Mods) | 4th | - | 4th | 8th |
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| 9/5/2021 | RPM Speedway - Crandall, TX 3rd Annual Ronny Sigman Memorial Dirt Late Models: XR Southern Storm USRA Modifieds: USRA American Racer Modified Series A Modifieds, Limited Sport Mod, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | 3rd | - | 2nd | 7th |
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| 10/9/2021 | Hunt County Raceway - Greenville, TX Tommy Davis Sr. Memorial Race, Southern Topless Economy Modifieds Stock Cars, A Modifieds, Dirt Late Models, Limited Modified, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Clayton Gross (USRA Limited Mods) | 7th | - | - | 10th |
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