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| 4/3/2021 | Lucas Oil Speedway - Wheatland, MO Weekly #1 Championship Series Spring Opener Presented by Benne Media Dirt Late Models, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jimmy Dowell (USRA Modifieds) | 10th | - | - | 14th |
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| 4/17/2021 | Lucas Oil Speedway - Wheatland, MO Weekly Show #2 $uper $aver $pecial Night Presented by Ozarks FOX Dirt Late Models, Pure Stock, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jimmy Dowell (USRA Modifieds) | 8th (DNF) | - | 14th (DNF) | - |
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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 | | Jimmy Dowell (A Modifieds) | 8th | - | - | 15th |
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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 | | Jimmy Dowell (A Modifieds) | 3rd | - | - | 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 | | Jimmy Dowell (A Modifieds) | 6th (DNF) | - | - | 9th |
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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 | | Jimmy Dowell (A Modifieds) | 2nd | - | - | - |
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| 5/30/2021 | Central Missouri Speedway - Warrensburg, MO Race #8, SPECIAL EVENT, Memorial Day Weekend Night 2, Seeburg Muffler Night. Midgets: POWRi Lightning Sprints: POWRi Midwest Lightning Sprints with POWRi Minn-Kota Lightning Sprints, POWRi Southwest Lightning Sprints A Modifieds, B Modifieds, Super Stocks | Results | | Jimmy Dowell (A Modifieds) | 4th | - | 4th | 10th |
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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 | | Jimmy Dowell (A Modifieds) | 7th | - | - | 8th |
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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 | | Jimmy Dowell (A Modifieds) | 3rd | - | - | 12th |
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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 | | Jimmy Dowell (A Modifieds) | 6th | - | - | 8th |
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| 7/1/2021 | Lucas Oil Speedway - Wheatland, MO Weekly #9- Casey's General Stores Thursday Night Thunder Kids Night at the Races plus Fireworks Dirt Late Models, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jimmy Dowell (USRA Modifieds) | 7th | - | - | 10th |
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| 7/3/2021 | Central Missouri Speedway - Warrensburg, MO Race #13, SPECIAL EVENT, 20th Annual Tom Wilson Memorial Night 1 Hobby Stocks, A Modifieds, B Modifieds, Super Stocks | Results | | Jimmy Dowell (A Modifieds) | 5th | - | - | - |
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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 | | Jimmy Dowell (A Modifieds) | 1st | - | 10th | 14th |
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| 7/17/2021 | Lucas Oil Speedway - Wheatland, MO 15th Annual Diamond Nationals Dirt Super Late Models: Lucas Oil MLRA with Lucas Oil Late Model Dirt Series CRUSA Dirt Late Models, USRA Modifieds, USRA Stock Cars | Results | | Jimmy Dowell (USRA Modifieds) | 8th | - | - | 13th |
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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 | | Jimmy Dowell (A Modifieds) | 6th (DNF) | - | - | 11th (DNF) |
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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 |
| 8/1/2021 | Moberly Motorsports Park - Moberly, MO Sprint Invaders (rescheduled from July 9) 360 Sprints - Winged: Sprint Invaders Sport Compact, USRA B-Mods, USRA Modifieds | Results | | Jimmy Dowell (USRA Modifieds) | 2nd | - | - | DNS |
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| 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 | | Jimmy Dowell (A Modifieds) | 6th | - | - | 9th |
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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 | | Jimmy Dowell (A Modifieds) | 6th (DNF) | - | - | 8th |
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| 8/21/2021 | Lucas Oil Speedway - Wheatland, MO Weekly Show #13- Public Safety Appreciation Night at the races Presented by KOLR Dirt Late Models, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jimmy Dowell (USRA Modifieds) | 4th | - | - | 12th |
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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 | | Jimmy Dowell (A Modifieds) | 6th | - | - | 10th |
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| 9/4/2021 | I-35 Speedway - Winston, MO DSF Flooring Night - USAC Midwest Wingless Sprints & Bill Lawson Memorial - Outlaw Midgets Special Midgets: POWRi Central States Midgets Non-Winged Sprints: Midwest Wingless Racing Association Hobby Stocks, Midwest Modifieds, Dirt Late Models, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jimmy Dowell (USRA Modifieds) | 6th | - | - | 7th |
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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 | | Jimmy Dowell (A Modifieds) | 3rd | - | - | 9th |
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| 9/18/2021 | I-35 Speedway - Winston, MO Good Shepherd Hospice Night "Bud Wilson Memorial" With Midwest Lighting Sprints Hobby Stocks, Midwest Modifieds, Dirt Late Models, Lightning Sprints, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jimmy Dowell (USRA Modifieds) | 4th | - | - | 8th |
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| 9/25/2021 | I-35 Speedway - Winston, MO Tompkins Industries Night at the Races With Midwest Lighting Sprints Lightning Sprints: POWRi Minn-Kota Lightning Sprints Midgets, Hobby Stocks, Midwest Modifieds, Dirt Late Models, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jimmy Dowell (USRA Modifieds) | 5th | - | - | 8th |
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