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| 3/13/2021 | Big O Speedway - Ennis, TX Opening points Night DIRTcar Late Models, Factory Stocks, Hornets, 251cc+ Open Single, Limited Sport Mod, 450 Pro Single Framer, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, Open Amateur | Results | | Henry Harrison (Limited Sport Mod) | 5th | - | - | 10th |
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| 3/20/2021 | Hunt County Raceway - Greenville, TX IMCA Mod Lites Stock Cars, Restricted 'A' Class, Winged A-Class, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Henry Harrison (Stock Cars) | 7th | - | - | 8th |
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| 4/2/2021 | RPM Speedway - Crandall, TX 305 Sprints - Non-Winged, Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Henry Harrison (Limited Sport Mod) | 5th | - | - | 7th |
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| 4/3/2021 | Hunt County Raceway - Greenville, TX Texas Winged Modifieds Stock Cars, Restricted 'A' Class, Winged A-Class, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Henry Harrison (Stock Cars) | 5th | - | - | 12th |
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| 4/10/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Winged Modifieds | Results | | Henry Harrison (Limited Sport Mod) | 5th | - | - | 12th |
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| 5/7/2021 | Big O Speedway - Ennis, TX FRIDAY NIGHT RACING 305 Sprints - Winged, DIRTcar Late Models, Factory Stocks, Limited Sport Mod | Results | | Henry Harrison (Limited Sport Mod) | 6th | - | - | 14th |
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| 5/8/2021 | Big O Speedway - Ennis, TX Saturday Night at BIG O DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks | Results | | Henry Harrison (Limited Sport Mod) | 3rd | - | - | 5th |
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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 | | Henry Harrison (Limited Sport Mod) | 5th | - | - | 15th |
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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 | | Henry Harrison (Stock Cars) | 7th | - | - | 12th |
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| 6/5/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Winged Modifieds | Results | | Henry Harrison (Limited Sport Mod) | 3rd | - | - | 4th |
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| 6/12/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks | Results | | Henry Harrison (Limited Sport Mod) | 5th | - | 1st | 9th |
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| 6/19/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Stock Cars, Hornets, Limited Sport Mod, USRA Factory Stocks, USRA Tuners | Results | | Henry Harrison (Limited Sport Mod) | 6th | - | - | 5th |
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| 6/25/2021 | RPM Speedway - Crandall, TX KR Cup Round #9 Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners, Dirt Big Block Modifieds | Results | | Henry Harrison (Limited Sport Mod) | 6th | - | - | 13th |
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| 6/26/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Winged Modifieds | Results | | Henry Harrison (Limited Sport Mod) | 6th | - | - | 15th |
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| 7/31/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Stock Cars, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Winged Modifieds | Results | | Henry Harrison (Limited Sport Mod) | 4th | - | - | 2nd |
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| 8/7/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks | Results | | Henry Harrison (Limited Sport Mod) | 2nd | - | - | 12th |
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| 8/21/2021 | Big O Speedway - Ennis, TX Short Track Super Series Cajun Region. DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Big Block Modifieds | Results | | Henry Harrison (Limited Sport Mod) | 6th | - | - | 16th |
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| 9/4/2021 | Big O Speedway - Ennis, TX $1000 to WIN! Dirt Late Models: XR Southern Storm 305 Sprints - Winged, DIRTcar Late Models, Factory Stocks, Hornets, Heavyweight SuperSport, Limited Sport Mod | Results | | Henry Harrison (Limited Sport Mod) | 4th | - | - | 6th |
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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 | | Henry Harrison (Limited Sport Mod) | 5th | - | 4th | 10th |
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| 9/11/2021 | Kennedale Speedway Park - Kennedale, TX FACTORY STOCK & SPORT MOD SHOOTOUT + LATE MODELS & ECO MODS Factory Stocks, B Modifieds, Dirt Late Models, IMCA Southern SportMod | Results | | Henry Harrison (B Modifieds) | 4th | - | - | 3rd |
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| 9/18/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Stock Cars, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Big Block Modifieds, Figure 8 - FWD Stock | Results | | Henry Harrison (Limited Sport Mod) | 4th | - | - | 4th |
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| 9/25/2021 | Big O Speedway - Ennis, TX Jimmy Allard Family and Friends Classic DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Winged Modifieds, Figure 8 - FWD Stock | Results | | Henry Harrison (Limited Sport Mod) | 2nd | - | - | 4th |
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| 10/1/2021 | Kennedale Speedway Park - Kennedale, TX 15th ANNUAL SUMMIT EQUIPMENT SHOWDOWN Factory Stocks, B Modifieds, IMCA Modified, IMCA Southern SportMod, IMCA Stock Car, IMCA Sport Compact | Postponed |
| 10/2/2021 | Big O Speedway - Ennis, TX Winged Sprints, DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Figure 8 - FWD Stock | Results | | Henry Harrison (Limited Sport Mod) | 5th | - | - | 6th |
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| 10/9/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks | Results | | Henry Harrison (Limited Sport Mod) | 5th | - | - | 3rd |
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