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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 | | Zack Williams (Pure Stock) | 7th | - | 5th | 20th |
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| 4/30/2021 | Dallas County Speedway (MO) - Urbana, MO Bull Ring Cup #3 Midwest Modifieds, Pony Stock, Pure Stock, USRA B-Mods, USRA Stock Cars | Results | | Zack Williams (Pure Stock) | 5th (DNF) | - | - | 6th |
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| 5/7/2021 | Dallas County Speedway (MO) - Urbana, MO Bull Ring Cup #4 Midwest Modifieds, Pony Stock, Pure Stock, USRA B-Mods, USRA Stock Cars | Results | | Zack Williams (Pure Stock) | 5th | - | - | 11th |
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| 5/14/2021 | Dallas County Speedway (MO) - Urbana, MO Bull Ring Cup #5 Midwest Modifieds, Pony Stock, Pure Stock, USRA B-Mods, USRA Stock Cars | Results | | Zack Williams (Pure Stock) | - | - | - | 23rd |
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| 6/4/2021 | Dallas County Speedway (MO) - Urbana, MO Bull Ring Cup #7 Midwest Modifieds, Pony Stock, Pure Stock, USRA B-Mods, USRA Stock Cars | Results | | Zack Williams (Pure Stock) | 4th | - | - | 15th |
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| 6/18/2021 | Dallas County Speedway (MO) - Urbana, MO Bull Ring Cup Mid Season Championship Midwest Modifieds, Pony Stock, Pure Stock, USRA B-Mods, USRA Stock Cars | Results | | Zack Williams (Pure Stock) | 3rd | - | - | 11th |
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| 7/9/2021 | Dallas County Speedway (MO) - Urbana, MO Bull Ring Cup #8 Midwest Modifieds, Pony Stock, Pure Stock, USRA B-Mods, USRA Stock Cars | Results | | Zack Williams (Pure Stock) | 5th | - | - | 10th |
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| 7/23/2021 | Dallas County Speedway (MO) - Urbana, MO DCS 25th Anniversary Blowout Dirt Late Models: Cash Money Dirt Late Model Series Midwest Modifieds, Pony Stock, Pure Stock, USRA B-Mods, USRA Stock Cars | Results | | Zack Williams (Pure Stock) | 5th | - | - | 12th |
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| 8/6/2021 | Dallas County Speedway (MO) - Urbana, MO Bull Ring Cup #10 Pure Stock Round Up Midwest Modifieds, Pony Stock, Pure Stock, USRA B-Mods, USRA Stock Cars | Results | | Zack Williams (Pure Stock) | 4th | - | 2nd | 13th |
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| 8/7/2021 | Lake Ozark Speedway - Eldon, MO LOS Night at the Races 305 Sprints - Winged, Dirt Late Models, Super Stocks, Pure Stock, USRA B-Mods | Results | | Zack Williams (Pure Stock) | 6th | - | - | 13th |
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| 8/21/2021 | Lake Ozark Speedway - Eldon, MO POWRi Lucas Oil WAR Sprints at Lake Ozark Speedway Non-Winged Sprints: POWRi WAR Sprints 360 Sprints - Winged, Midgets, Super Stocks, Pure Stock, USRA B-Mods | Results | | Zack Williams (Pure Stock) | 3rd | - | - | 14th (DNF) |
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