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| 1/2/2021 | Showtime Speedway - Clearwater, FL 12th Annual Eddie Brann Memorial Open Wheel Modifieds! A Modifieds, Street Stocks, Asphalt Small Block Modifieds, Enduro | Results | | Doug Miller (A Modifieds) | - | - | - | 14th |
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| 1/30/2021 | Showtime Speedway - Clearwater, FL Rick Sirmans Memorial / SMLM $3500 to win! 55 Laps 360 Sprints - Winged, Asphalt Late Models, Factory Stocks, Street Stocks, Asphalt 4-Cylinders | Results | | Doug Miller (Street Stocks) | - | - | - | 6th |
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| 4/3/2021 | Showtime Speedway - Clearwater, FL Race Cars and Superstars! Factory Stocks, Hobby Stocks, A Modifieds, Street Stocks, Asphalt 4-Cylinders, Asphalt Mini Stock, Open Asphalt Karting, Figure 8 - RWD-Open | Results | | Doug Miller (A Modifieds) | - | - | - | - | | Doug Miller (Street Stocks) | - | - | - | 5th |
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| 7/31/2021 | Showtime Speedway - Clearwater, FL Factory Stocks, A Modifieds, Street Stocks, Vintage Full Body Stock Cars, Asphalt 4-Cylinders, Asphalt Mini Stock, Open Asphalt Karting, Crown Vic | Results | | Doug Miller (A Modifieds) | - | - | - | 13th |
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| 8/21/2021 | Showtime Speedway - Clearwater, FL 2nd Leg of the Open Wheel Modified Triple Crown Hobby Stocks, A Modifieds, Street Stocks, Asphalt 4-Cylinders, Asphalt Mini Stock | Results | | Doug Miller (A Modifieds) | - | - | - | 7th |
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| 9/4/2021 | Showtime Speedway - Clearwater, FL Final Leg of the Open Wheel Modified Triple Crown Factory Stocks, A Modifieds, Street Stocks, Asphalt 4-Cylinders, Asphalt Mini Stock, Crown Vic | Rain Out |
| 9/18/2021 | Showtime Speedway - Clearwater, FL James Crawford Memorial Race Asphalt Late Models, Factory Stocks, Street Stocks, Vintage Full Body Stock Cars, Asphalt 4-Cylinders, Asphalt Mini Stock, Crown Vic | Results | | Doug Miller (Street Stocks) | - | - | 3rd | 7th |
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| 9/25/2021 | Showtime Speedway - Clearwater, FL Final Leg of the Open Wheel Modified Triple Crown A Modifieds, Street Stocks, Asphalt 4-Cylinders, Asphalt Mini Stock | Results | | Doug Miller (A Modifieds) | - | - | - | 10th |
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| 12/31/2021 | Showtime Speedway - Clearwater, FL New Year's Eve -School Bus F8 and Fireworks Factory Stocks, Asphalt Mini Stocks, A Modifieds, Street Stocks, Pro Legends, Asphalt Sportsman Late Models, WISSOTA Pure Stock | Results | | Doug Miller (A Modifieds) | - | - | - | - |
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