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| 4/15/2021 | Central Missouri Speedway - Warrensburg, MO Test 'n' Tune Practice Session Dirt Super Late Models, Hobby Stocks, A Modifieds, B Modifieds, Non-Winged Sprints, Lightning Sprints, Super Stocks | Results | | Joey Harper (Hobby Stocks) | - | - | - | - |
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| 4/24/2021 | Central Missouri Speedway - Warrensburg, MO Race #2, Weekly Racing #2 Hobby Stocks, A Modifieds, B Modifieds, Lightning Sprints, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 3rd | - | - | 7th |
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| 5/1/2021 | Central Missouri Speedway - Warrensburg, MO Race #3, Seeburg Muffler presents SLMR Special Event and Weekly Racing #3 Dirt Super Late Models: SLMR Late Model Series Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 4th | - | - | 10th |
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| 5/8/2021 | Central Missouri Speedway - Warrensburg, MO Race #4, Rick Beebe Heating and Air Conditioning Race Night. Weekly Racing #4. Lightning Sprints: POWRi Midwest Lightning Sprints Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 2nd | - | - | 14th (DNF) |
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| 5/14/2021 | Electric City Speedway - Butler, MO Factory Stocks, Midwest Modifieds, Street Stocks, Sport Compact, USRA Modifieds | Results | | Joey Harper (Factory Stocks) | 2nd | - | - | 7th |
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| 5/29/2021 | Central Missouri Speedway - Warrensburg, MO Race #7, Memorial Day Weekend Night 1 SPECIAL EVENT, POWRi Lightning Sprints and A-Mod Specials Lightning Sprints: POWRi Midwest Lightning Sprints with POWRi Minn-Kota Lightning Sprints, POWRi Southwest Lightning Sprints Midgets, Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 3rd | - | - | 6th |
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| 6/5/2021 | Central Missouri Speedway - Warrensburg, MO Race #9, Joslin’s Jewelry Race Night, Weekly Racing #7 Hobby Stocks, A Modifieds, B Modifieds, Vintage Full Body Stock Cars, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 2nd | - | - | 9th |
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| 6/12/2021 | Central Missouri Speedway - Warrensburg, MO Race #10, Cliff Harris Warrensburg Ford Race Night, Weekly Racing #8 Lightning Sprints: POWRi Midwest Lightning Sprints Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 7th | - | - | 11th |
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| 6/19/2021 | Central Missouri Speedway - Warrensburg, MO Race #11, SPECIAL EVENT featuring the USAC Midwest Wingless Racing Association! Weekly Racing #9 Non-Winged Sprints: Midwest Wingless Racing Association Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 1st | - | - | 7th |
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| 7/4/2021 | Central Missouri Speedway - Warrensburg, MO Race #14, SPECIAL EVENT, 20th Annual Tom Wilson Memorial Night 2 Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 3rd | - | - | 6th |
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| 7/24/2021 | Central Missouri Speedway - Warrensburg, MO Race #16, KMZU 'The Farm' 100.7 FM Race Night - Weekly Racing #12 Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 3rd | - | - | 3rd |
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| 7/31/2021 | Central Missouri Speedway - Warrensburg, MO Race #17, Comfort Inn Race Night, Weekly Racing #13 Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Rain Out |
| 8/7/2021 | Central Missouri Speedway - Warrensburg, MO Race #18, Pepsi presents Kids' Night Weekly Racing #14 Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 2nd | - | - | 17th |
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| 8/14/2021 | Central Missouri Speedway - Warrensburg, MO Race #19, SPECIAL EVENT, 5th Annual $2,000-to-Win Super Stock Showdown! Weekly Racing #15. Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 1st | - | - | 5th |
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| 8/28/2021 | Central Missouri Speedway - Warrensburg, MO Race #21, Weekly Racing #17. Final “Track Points” Night Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 7th | - | - | 6th |
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| 9/5/2021 | Central Missouri Speedway - Warrensburg, MO Race #23, SPECIAL EVENT, Labor Day Weekend, $3,000-to-Win B-Mods! Lightning Sprints: POWRi Midwest Lightning Sprints Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Results | | Joey Harper (Hobby Stocks) | 2nd | - | - | 13th (DNF) |
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