| | Heat | Dash | B Feature | A Feature |
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| 3/12/2021 | Devil's Bowl Speedway - Mesquite, TX Texas 305 RaceSaver Sprint Nationals Friday 305 Sprints - Winged, USRA Limited Mods | Results | | Steve McMackin (305 Sprints - Winged) | 4th | - | - | 23rd |
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| 3/13/2021 | Devil's Bowl Speedway - Mesquite, TX Texas 305 RaceSaver Sprint Nationals Saturday 305 Sprints - Winged, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 5th | - | 7th | - |
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| 3/19/2021 | Devil's Bowl Speedway - Mesquite, TX 360 Sprints - Winged: ASCS National with ASCS Lone Star Region 305 Sprints - Winged, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 5th | - | - | 18th |
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| 3/20/2021 | Devil's Bowl Speedway - Mesquite, TX 360 Sprints - Winged: ASCS National with ASCS Lone Star Region 305 Sprints - Winged, USRA Limited Mods, Dirt Big Block Modifieds | Results | | Steve McMackin (305 Sprints - Winged) | 4th | - | - | 10th |
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| 3/27/2021 | Devil's Bowl Speedway - Mesquite, TX 2021 Points Opener 305 Sprints - Winged, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | DNS | - | - | DNS |
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| 4/3/2021 | Rocket Raceway Park - Petty, TX 82 Speedway Winged Sprints: Bandits Outlaw Sprint Series Hobby Stocks, Stock Cars, 600cc Modifieds, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (Winged Sprints) | 6th | - | - | 14th |
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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 | | Steve McMackin (IMCA RaceSaver Sprint Car) | 4th | - | - | 13th |
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| 4/24/2021 | Devil's Bowl Speedway - Mesquite, TX Weekly Championship Series #3 305 Sprints - Winged, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 8th | - | - | DNS |
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| 5/8/2021 | Grayson County Speedway - Bells, TX Race Program / TSS Sprints 305 Sprints - Winged: IMCA RaceSaver Sprints Factory Stocks, Hobby Stocks, 600cc Modifieds, IMCA Southern SportMod, IMCA RaceSaver Sprint Car | Results | | Steve McMackin (305 Sprints - Winged) | - | - | - | - | | Steve McMackin (IMCA RaceSaver Sprint Car) | 6th | - | 16th | - |
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| 5/15/2021 | Devil's Bowl Speedway - Mesquite, TX Weekly Championship Series #5 305 Sprints - Winged, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 1st | - | - | 9th |
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| 6/12/2021 | Devil's Bowl Speedway - Mesquite, TX Weekly Championship Series #8 305 Sprints - Winged, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 1st | - | - | 22nd |
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| 6/19/2021 | Devil's Bowl Speedway - Mesquite, TX Weekly Championship Series #9 305 Sprints - Winged, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 4th | - | - | 4th |
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| 6/26/2021 | Devil's Bowl Speedway - Mesquite, TX Weekly Championship Series #10 305 Sprints - Winged, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 9th | - | DNS | - |
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| 7/3/2021 | Rocket Raceway Park - Petty, TX 82 Speedway Winged Sprints: Bandits Outlaw Sprint Series Hobby Stocks, Stock Cars, 600cc Modifieds, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (Winged Sprints) | 6th | - | - | 14th |
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| 7/10/2021 | Devil's Bowl Speedway - Mesquite, TX Weekly Championship Series #12 305 Sprints - Winged, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 1st | - | - | 17th |
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| 7/17/2021 | Devil's Bowl Speedway - Mesquite, TX Weekly Championship Series #13 305 Sprints - Winged, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 3rd | - | - | 23rd |
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| 7/24/2021 | Devil's Bowl Speedway - Mesquite, TX Weekly Championship Series #14 305 Sprints - Winged, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 2nd | - | - | 7th |
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| 7/31/2021 | Devil's Bowl Speedway - Mesquite, TX Weekly Championship Series #15 305 Sprints - Winged, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 2nd | - | - | 15th |
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| 8/21/2021 | Devil's Bowl Speedway - Mesquite, TX Weekly Championship Series #17 305 Sprints - Winged, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 3rd | - | - | 4th |
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| 8/28/2021 | Devil's Bowl Speedway - Mesquite, TX 2021 Championship Finals 305 Sprints - Winged, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Steve McMackin (305 Sprints - Winged) | 1st | - | - | 21st |
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| 9/11/2021 | Grayson County Speedway - Bells, TX Race Program / TSS Sprints Factory Stocks, Hobby Stocks, 600cc Modifieds, IMCA Southern SportMod, IMCA RaceSaver Sprint Car | Results | | Steve McMackin (IMCA RaceSaver Sprint Car) | 3rd | - | - | 18th (DNF) |
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| 10/16/2021 | Devil's Bowl Speedway - Mesquite, TX 360 Sprints - Winged: ASCS National with ASCS Lone Star Region 305 Sprints - Winged, USRA Limited Mods, Dirt Big Block Modifieds | Results | | Steve McMackin (305 Sprints - Winged) | 2nd | - | - | 21st |
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