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| 5/6/2021 | Kossuth County Speedway - Algona, IA Season Opener B Modifieds, Street Stocks, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Gronbach Dalton Lewis (Enduro) | DNS | - | - | DNS |
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| 5/13/2021 | Kossuth County Speedway - Algona, IA Weekly IMCA Racing B Modifieds, Street Stocks, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Gronbach Dalton Lewis (Enduro) | 2nd | - | - | 4th (DNF) |
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| 6/3/2021 | Kossuth County Speedway - Algona, IA Vintage Racers & Weekly IMCA Racing B Modifieds, Street Stocks, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Gronbach Dalton Lewis (Enduro) | 5th | - | - | 5th (DNF) |
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| 6/10/2021 | Kossuth County Speedway - Algona, IA Weekly IMCA Racing B Modifieds, Street Stocks, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Gronbach Dalton Lewis (Enduro) | 4th | - | - | 4th (DNF) |
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| 6/24/2021 | Kossuth County Speedway - Algona, IA Wyffels Hybrids Sport Mod Special B Modifieds, Street Stocks, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Gronbach Dalton Lewis (Enduro) | 5th | - | - | 1st |
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| 7/1/2021 | Kossuth County Speedway - Algona, IA Weekly IMCA Racing B Modifieds, Street Stocks, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Gronbach Dalton Lewis (Enduro) | 5th | - | - | 5th |
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| 7/8/2021 | Kossuth County Speedway - Algona, IA The Bobby Thilges Sport Compact Bumble Bee Nationals B Modifieds, Street Stocks, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Gronbach Dalton Lewis (Enduro) | 6th | - | - | 5th |
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| 7/15/2021 | Kossuth County Speedway - Algona, IA Beck's Hybrids Stock Car Special B Modifieds, Street Stocks, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Gronbach Dalton Lewis (Enduro) | 6th | - | - | 3rd |
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| 7/22/2021 | Kossuth County Speedway - Algona, IA Jess Weishaar Memorial & Mid Summer Hobby Stock Shoot Out B Modifieds, Street Stocks, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Gronbach Dalton Lewis (Enduro) | 6th | - | - | 4th |
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| 7/29/2021 | Kossuth County Speedway - Algona, IA Hunting with Heroes Salute to Veterans Night A Modifieds, B Modifieds, Street Stocks, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Gronbach Dalton Lewis (Enduro) | 5th | - | - | 5th (DNF) |
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