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| 5/4/2018 | Princeton Speedway - Princeton, MN Season Opener Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Dwarf, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 4th | - | - | 8th |
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| 5/11/2018 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, B Modifieds, Dwarf, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 4th | - | - | 5th |
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| 5/25/2018 | Princeton Speedway - Princeton, MN Meet the Drivers Night Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Dwarf, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 7th | - | - | 10th |
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| 6/1/2018 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, B Modifieds, Dwarf, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 2nd | - | - | 10th |
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| 6/8/2018 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Dwarf, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 7th | - | - | 17th (DNF) |
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| 6/15/2018 | Princeton Speedway - Princeton, MN Vintage Modifieds: Northern Vintage Stockcar Racers Hobby Stocks, A Modifieds, B Modifieds, Vintage Full Body Stock Cars, Dwarf, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 1st | - | - | 5th |
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| 6/22/2018 | Princeton Speedway - Princeton, MN Regular Friday Night Racing Hobby Stocks, A Modifieds, B Modifieds, Dwarf, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 3rd | - | - | 10th |
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| 6/29/2018 | Princeton Speedway - Princeton, MN Siercks Memorial Race Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 1st | - | - | 7th |
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| 7/13/2018 | Princeton Speedway - Princeton, MN Fight to the Finish Night Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Dwarf, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 6th | - | - | 11th |
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| 7/27/2018 | Princeton Speedway - Princeton, MN Regular Friday Night Racing Hobby Stocks, A Modifieds, B Modifieds, Dwarf, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 6th | - | - | 7th |
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| 8/10/2018 | Princeton Speedway - Princeton, MN Northstar IMCA Mod Tour Hobby Stocks, A Modifieds, B Modifieds, Dwarf, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 4th | - | - | - |
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| 8/17/2018 | Princeton Speedway - Princeton, MN Regular Friday Night Racing Hobby Stocks, A Modifieds, B Modifieds, Dwarf, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 6th | - | - | 4th |
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| 8/31/2018 | Princeton Speedway - Princeton, MN Season Championship Night Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Dwarf, Sport Compact, Super Stocks | Results | | Tim Thoennes (Sport Compact) | 1st | - | - | 4th |
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| 9/13/2018 | Cedar Lake Speedway - New Richmond, WI Legendary 100 Non-point Show 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series Street Stocks, Hornets, Pure Stock, USRA Late Models | Results | | Tim Thoennes (Hornets) | - | - | - | 17th |
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