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| 3/5/2021 | RPM Speedway - Crandall, TX Texas Spring Nationals Night 1 A Modifieds: USMTS - United States Modified Touring Series Dwarf, Limited Sport Mod, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Chad Guest (A Modifieds) | 9th | - | 15th | - |
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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 | | Chad Guest (USRA Modifieds) | 7th | - | - | 6th |
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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 | | Chad Guest (USRA Modifieds) | 1st | - | - | DNS | | Chad Guest (Dirt Winged Modifieds) | 5th | - | - | 13th |
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| 5/1/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Stock Car | Results | | Chad Guest (A Modifieds) | 3rd | - | - | 16th |
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| 5/8/2021 | Kennedale Speedway Park - Kennedale, TX A Modifieds: TOMS - Touring Outlaw Modified Series Factory Stocks, Stock Cars, Dwarf, IMCA Southern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Chad Guest (A Modifieds) | 6th | - | 3rd | 12th |
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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 | | Chad Guest (A Modifieds) | 5th | - | - | 11th |
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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 | | Chad Guest (USRA Modifieds) | 2nd | - | - | 1st |
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| 6/11/2021 | Heart O' Texas Speedway - Waco, TX Touring Outlaw Modified Series - Kids Bicycle Races A Modifieds: TOMS - Touring Outlaw Modified Series Factory Stocks, Street Stocks, Limited Modified, Limited Sport Mod, IMCA Southern SportMod, IMCA Stock Car | Results | | Chad Guest (A Modifieds) | 4th | - | 5th | 23rd |
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| 6/18/2021 | Boyd Raceway - Boyd, TX A Modifieds: TOMS - Touring Outlaw Modified Series Factory Stocks, Street Stocks, Limited Sport Mod, Sport Compact, IMCA Sport Compact | Results | | Chad Guest (A Modifieds) | 5th | - | - | 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 | | Chad Guest (USRA Modifieds) | 2nd | - | - | 2nd |
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| 7/10/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod | Results | | Chad Guest (A Modifieds) | 2nd | - | - | 24th |
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| 7/31/2021 | Hunt County Raceway - Greenville, TX 7th Annual Hella Shrine Race A Modifieds: TOMS - Touring Outlaw Modified Series Winged A-Class: NOW600 A-Class Micros Stock Cars, Restricted 'A' Class, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Chad Guest (A Modifieds) | 6th | - | - | 20th |
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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 | | Chad Guest (USRA Modifieds) | 4th | - | - | 4th |
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| 8/13/2021 | Big O Speedway - Ennis, TX FRIDAY NIGHT RACES 305 Sprints - Winged, DIRTcar Late Models, Factory Stocks, Limited Sport Mod, USRA Modifieds | Results | | Chad Guest (USRA Modifieds) | 1st | - | - | 1st |
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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 | | Chad Guest (USRA Modifieds) | 2nd | - | - | 5th |
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| 8/28/2021 | Kennedale Speedway Park - Kennedale, TX TOMS MODIFIEDS A Modifieds: TOMS - Touring Outlaw Modified Series Factory Stocks, Stock Cars, IMCA Southern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Chad Guest (A Modifieds) | 4th | - | - | 16th |
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| 9/11/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Winged Modifieds | Results | | Chad Guest (USRA Modifieds) | 4th | - | - | 10th |
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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 | | Chad Guest (USRA Modifieds) | 2nd | - | - | 1st |
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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 | | Chad Guest (USRA Modifieds) | 4th | - | - | 5th |
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| 10/15/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS Nationals - Night 1 A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Limited Sport Mod | Results | | Chad Guest (A Modifieds) | 4th | - | - | - |
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| 10/16/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS Nationals - Night 2 A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Limited Sport Mod | Results | | Chad Guest (A Modifieds) | - | - | 4th | 17th |
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| 11/3/2021 | Boothill Speedway - Greenwood, LA Summit USRA Southern Nationals Practice Night USRA Modifieds: USRA American Racer Modified Series USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Chad Guest (USRA Modifieds) | - | - | - | - |
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