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| 5/21/2021 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Luke Trebelhorn (Hobby Stocks) | 7th | - | - | 12th |
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| 5/28/2021 | Princeton Speedway - Princeton, MN Late Model Show WISSOTA Late Model: Wissota Late Model Challenge Series Hobby Stocks, Sport Compact, IMCA Stock Car | Results | | Luke Trebelhorn (Hobby Stocks) | 4th | - | - | 4th |
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| 6/24/2021 | Princeton Speedway - Princeton, MN Siercks Memorial Hobby Stocks, A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Luke Trebelhorn (Hobby Stocks) | 1st | - | - | 4th |
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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 | | Luke Trebelhorn (IMCA Hobby Stock) | 7th | - | 12th (DNF) | - |
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| 7/23/2021 | Princeton Speedway - Princeton, MN Superstock Series and hobby stock tour WISSOTA Super Stock: Fast Lane Motorsports Northland Super Stock Series Hobby Stocks, B Modifieds, Sport Compact, WISSOTA Mod Four | Results | | Luke Trebelhorn (Hobby Stocks) | 2nd | - | - | 2nd |
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| 7/25/2021 | Buffalo River Speedway - Glyndon, MN July 25th 2021 HOBBY STOCK SHOOTOUT Lightning Sprints: POWRi Minn-Kota Lightning Sprints Midgets, Pro Legends, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock, WISSOTA Midwest Mods, Junior Slingshots | Results | | Luke Trebelhorn (IMCA Hobby Stock) | 4th | - | - | 4th |
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