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| 8/21/2021 | Monett Motor Speedway - Monett, MO 4 state championship race DIRTcar Late Models, Midwest Modifieds, B Modifieds, Street Stocks, Semi-Pro Legends, Pure Stock | Results | | Brian Williams (DIRTcar Late Models) | 5th | - | - | 13th |
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| 9/5/2021 | Springfield Raceway - Springfield, MO KTTS 4 States Area Dirt Track Championship Dirt Late Models: Cash Money Dirt Late Model Series Stock Cars, A Modifieds, Midwest Modifieds, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods | Results | | Brian Williams (Dirt Late Models) | 2nd | - | - | 9th |
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| 9/11/2021 | Tri-State Speedway - Pocola, OK Ca$h Money SDS Late Models Dirt Late Models: Cash Money Dirt Late Model Series Economy Late Models, USRA B-Mods, USRA Modifieds, USRA Factory Stocks, USRA Stock Cars | Results | | Brian Williams (Dirt Late Models) | 5th | - | 7th (DNF) | 12th | | Brian Williams (USRA Modifieds) | 2nd | - | - | 5th |
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| 9/17/2021 | Springfield Raceway - Springfield, MO Midwest Sheetmetal Route 66 Showdown Dirt Late Models: Cash Money Dirt Late Model Series Stock Cars, A Modifieds, Midwest Modifieds, Limited Sport Mod | Results | | Brian Williams (Dirt Late Models) | 6th | - | - | - |
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| 9/18/2021 | Springfield Raceway - Springfield, MO Midwest Sheetmetal Route 66 Showdown Dirt Late Models: Cash Money Dirt Late Model Series Stock Cars, Midwest Modifieds, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods | Results | | Brian Williams (Dirt Late Models) | 8th (DNF) | - | 12th (DNF) | - |
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| 9/25/2021 | Tri-State Speedway - Pocola, OK USRA Stock Car Special USRA B-Mods, USRA Modifieds, USRA Factory Stocks, USRA Stock Cars | Results | | Brian Williams (USRA Modifieds) | 2nd | - | - | 8th |
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| 10/2/2021 | Tri-State Speedway - Pocola, OK 51st Annual Point Championship Races Honoring Tillman Evans USRA B-Mods, USRA Modifieds, USRA Factory Stocks, USRA Stock Cars | Results | | Brian Williams (USRA Modifieds) | 3rd | - | - | 2nd |
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| 10/9/2021 | Tri-State Speedway - Pocola, OK 360 Sprints - Winged: ASCS Sooner Region with ASCS Mid-South Region USRA B-Mods, USRA Modifieds, USRA Factory Stocks | Results | | Brian Williams (USRA Modifieds) | 3rd | - | - | 11th |
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| 10/22/2021 | Tri-State Speedway - Pocola, OK 42 Annual Spooker Honoring John Stand - Qualifying & Features Dirt Late Models: Cash Money Dirt Late Model Series Factory Stocks, A Modifieds, Street Stocks, Pure Stock, USRA B-Mods, USRA Modifieds, USRA Factory Stocks, USRA Stock Cars | Results | | Brian Williams (Dirt Late Models) | 4th | - | - | 15th (DNF) | | Brian Williams (USRA Modifieds) | 4th | - | 2nd | 21st |
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| 10/23/2021 | Tri-State Speedway - Pocola, OK 42 Annual Spooker Honoring John Stand - Features Factory Stocks, A Modifieds, Midwest Modifieds, Street Stocks, USRA B-Mods, USRA Modifieds, USRA Factory Stocks, USRA Stock Cars | Results | | Brian Williams (Midwest Modifieds) | 5th | - | - | 18th | | Brian Williams (USRA Modifieds) | 4th | - | 11th | - |
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