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| 6/4/2021 | I-44 Riverside Speedway - Oklahoma City, OK 22nd Annual Micro Sprint Nationals Night 1 Non-Wing Outlaw, Restricted 'A' Class, Restricted Non Winged Micros, Winged A-Class, Stock Non-Wing, Junior Sprints, Sportsman Micros | Results | | Jarrett Guinn (Stock Non-Wing) | 7th | - | DNS | - |
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| 6/12/2021 | I-44 Riverside Speedway - Oklahoma City, OK Weekly Points Race Non-Wing Outlaw, Restricted 'A' Class, Restricted Non Winged Micros, Winged A-Class, Stock Non-Wing, Junior Sprints | Results | | Jarrett Guinn (Winged A-Class) | DNS | - | - | DNS | | Jarrett Guinn (Stock Non-Wing) | DNS | - | - | 20th (DNF) |
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| 7/17/2021 | I-44 Riverside Speedway - Oklahoma City, OK Weekly Points Race Non-Wing Outlaw, Restricted 'A' Class, Restricted Non Winged Micros, Winged A-Class, Stock Non-Wing, Junior Sprints | Canceled |
| 7/31/2021 | I-44 Riverside Speedway - Oklahoma City, OK Weekly Points Race Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Restricted Non Winged Micros, Winged A-Class, Stock Non-Wing, Junior Sprints | Results | | Jarrett Guinn (Winged A-Class) | - | - | - | - | | Jarrett Guinn (Stock Non-Wing) | 7th (DNF) | - | - | 17th (DNF) |
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| 8/7/2021 | I-44 Riverside Speedway - Oklahoma City, OK Weekly Points Race Non-Wing Outlaw, Restricted 'A' Class, Restricted Non Winged Micros, Winged A-Class, Stock Non-Wing, Junior Sprints, Sportsman Micros | Results | | Jarrett Guinn (Stock Non-Wing) | 7th | - | 5th | 19th (DNF) |
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| 8/14/2021 | I-44 Riverside Speedway - Oklahoma City, OK Weekly Points Race Non-Wing Outlaw, Restricted 'A' Class, Restricted Non Winged Micros, Winged A-Class, Stock Non-Wing, Junior Sprints | Results | | Jarrett Guinn (Stock Non-Wing) | 7th | - | 10th (DNF) | - |
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| 9/18/2021 | I-44 Riverside Speedway - Oklahoma City, OK Weekly Points Race Non-Wing Outlaw, Restricted 'A' Class, Restricted Non Winged Micros, Winged A-Class, Stock Non-Wing, Junior Sprints | Results | | Jarrett Guinn (Stock Non-Wing) | 8th (DNF) | - | - | 17th |
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