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| 5/14/2021 | Tri-City Motor Speedway - Auburn, MI Allstar Performance Challenge Race #1 & $1,500 to win PRO STOCK NIGHT DIRTcar Late Models: Allstar Performance Challenge Series Factory Stocks, Hobby Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Brian Bullock (Hobby Stocks) | 4th | - | - | 8th |
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| 5/21/2021 | Tri-City Motor Speedway - Auburn, MI 360 Sprints - Winged: GLSS-Great Lakes Super Sprints Lightning Sprints: Great Lakes Lightning Sprints DIRTcar Late Models, Factory Stocks, Hobby Stocks, Mini Wedge, Mini Outlaws | Results | | Brian Bullock (Hobby Stocks) | 8th | - | 6th | 10th |
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| 6/4/2021 | Tri-City Motor Speedway - Auburn, MI FACTORY STOCK NIGHT - $2000 TO WIN DIRTcar Late Models, Factory Stocks, Hobby Stocks, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Brian Bullock (Hobby Stocks) | 3rd | - | - | 9th |
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| 6/11/2021 | Tri-City Motor Speedway - Auburn, MI PRO STOCK NIGHT - $2000 TO WIN DIRTcar Late Models, Sportsmans, Street Stocks, Mini Wedge, Mini Outlaws, IMCA Modified | Rain Out |
| 6/18/2021 | Tri-City Motor Speedway - Auburn, MI IMCA Mod Fast Shafts $2000 TO WIN & 4-6 CYL $1000 TO WIN Factory Stocks, Hobby Stocks, Sportsmans, Street Stocks, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Brian Bullock (Hobby Stocks) | 3rd | - | - | 15th | | Brian Bullock (Street Stocks) | 3rd | - | - | 15th |
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| 7/2/2021 | Tri-City Motor Speedway - Auburn, MI ALLSTAR PERFORMANCE CHALLENGE SERIES RACES DIRTcar Late Models: Allstar Performance Challenge Series Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Brian Bullock (Hobby Stocks) | 4th | - | - | 9th |
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| 7/9/2021 | Tri-City Motor Speedway - Auburn, MI 4-6 CYL & FS NIGHT DIRTcar Late Models, Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Brian Bullock (Hobby Stocks) | 3rd | - | - | 11th |
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| 7/16/2021 | Tri-City Motor Speedway - Auburn, MI PRO STOCK NIGHT - $2500 TO WIN DIRTcar Late Models, Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Brian Bullock (Hobby Stocks) | 4th | - | - | 10th |
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| 7/23/2021 | Tri-City Motor Speedway - Auburn, MI Challenge Series Races, 4-6 CYL NIGHT - $1500 TO WIN DIRTcar Late Models, Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Brian Bullock (Hobby Stocks) | 2nd | - | - | 13th |
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| 7/30/2021 | Tri-City Motor Speedway - Auburn, MI Pro Stock & Mod Night $1,500 to win! DIRTcar Late Models, Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Brian Bullock (Hobby Stocks) | 3rd | - | - | 18th |
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| 8/13/2021 | Tri-City Motor Speedway - Auburn, MI FAN APPRECIATION NIGHT DIRTcar Late Models, Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Brian Bullock (Hobby Stocks) | 8th | - | 6th | - |
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| 8/20/2021 | Tri-City Motor Speedway - Auburn, MI DIRTcar Summer Nationals HELL TOUR & PRO STOCK NIGHT $3000 TO WIN DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws | Results | | Brian Bullock (Hobby Stocks) | 8th | - | - | 12th |
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| 9/3/2021 | Tri-City Motor Speedway - Auburn, MI ALLSTAR PERFORMANCE CHALLENGE SERIES RACE DIRTcar Late Models: Allstar Performance Challenge Series Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Brian Bullock (Hobby Stocks) | 6th | - | - | 11th |
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| 9/17/2021 | Tri-City Motor Speedway - Auburn, MI BATTLE BY THE BAY - DAY 1 DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Brian Bullock (Hobby Stocks) | 2nd | - | - | 3rd |
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| 9/18/2021 | Tri-City Motor Speedway - Auburn, MI BATTLE BY THE BAY - DAY 2 DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, Sportsmans, B Modifieds, Mini Wedge, Mini Outlaws | Results | | Brian Bullock (Hobby Stocks) | - | - | - | 19th |
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