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| 5/22/2021 | Independence Motor Speedway - Independence, IA Myers Polaris Night DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, Stock Non-Wing, B Modifieds, Dirt Late Models | Results | | Gale Worthington (Stock Non-Wing) | 7th | - | - | 8th |
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| 5/31/2021 | Stuart Speedway - Stuart, IA Whole Hog 50 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Gale Worthington (600cc Modifieds) | 6th | - | - | 11th (DNF) |
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| 6/16/2021 | Stuart Speedway - Stuart, IA Dynamic Drivelines Dirt Duel 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Gale Worthington (600cc Modifieds) | 7th | - | - | 16th |
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| 7/11/2021 | Mason City Motor Speedway - Mason City, IA Joel Showalter Memorial Presented by Window World 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Gale Worthington (600cc Modifieds) | 4th | - | - | 16th (DNF) |
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| 7/21/2021 | Stuart Speedway - Stuart, IA Clint Walrod Memorial 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Gale Worthington (600cc Modifieds) | 4th | - | - | 6th |
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| 8/1/2021 | Stuart Speedway - Stuart, IA Stuart Speedway - WEST Dirt Super Late Models: SLMR Late Model Series Winged A-Class, 600cc Modifieds, Dirt Pro Trucks, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Gale Worthington (600cc Modifieds) | 3rd | - | - | 4th |
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| 8/11/2021 | Stuart Speedway - Stuart, IA Season Championship 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Gale Worthington (600cc Modifieds) | 6th | - | - | 4th |
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| 8/15/2021 | Mason City Motor Speedway - Mason City, IA B-Mod Challenge Presented by Kabrick Distributing 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Gale Worthington (600cc Modifieds) | DNS | - | - | 7th |
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| 8/22/2021 | Mason City Motor Speedway - Mason City, IA Driver Appreciation Night 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Gale Worthington (600cc Modifieds) | 4th | - | - | 12th (DNF) |
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| 10/16/2021 | Mason City Motor Speedway - Mason City, IA Five Star Classic 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Gale Worthington (600cc Modifieds) | 3rd | - | - | 11th |
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| 10/17/2021 | Mason City Motor Speedway - Mason City, IA Five Star Classic 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Gale Worthington (600cc Modifieds) | DNS | - | - | 18th |
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