| | Heat | Dash | B Feature | A Feature |
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| 3/20/2021 | Diamond Park Speedway - Murfreesboro, AR Season Opener Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Jason Mack (Pure Stock) | 3rd | - | - | 3rd |
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| 5/1/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Jason Mack (Pure Stock) | 8th (DNF) | - | - | 16th |
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| 5/8/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night with Double Points Factory Stocks, Dirt Late Models, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Jason Mack (Pure Stock) | DNS | - | - | DNS |
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| 5/15/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night with $1K to Win Pure Stock Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Jason Mack (Pure Stock) | 6th (DNF) | - | - | 6th |
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| 6/19/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night Plus Super Street Stocks Debut Factory Stocks, Hobby Stocks, Sportsmans, Dirt Late Models, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Jason Mack (Pure Stock) | 9th (DNF) | - | - | DNS |
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| 8/28/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night with Special Guest Kynslie! Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Mod Lite | Results | | Jason Mack (Pure Stock) | 7th | - | - | 9th |
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| 9/11/2021 | Diamond Park Speedway - Murfreesboro, AR Salute to America & Freedom Fighter 1000 Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Mod Lite | Results | | Jason Mack (Pure Stock) | 6th | - | - | 9th (DNF) |
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| 11/6/2021 | Diamond Park Speedway - Murfreesboro, AR Arkansas Factory Stock/Pure Stock Invitational + MLCS Finale Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Mod Lite | Results | | Jason Mack (Pure Stock) | 8th | - | - | DNS |
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