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| 5/18/2018 | Fiesta City Speedway - Montevideo, MN Factory Stocks, A Modifieds, B Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 3rd | - | - | 2nd |
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| 5/25/2018 | Fiesta City Speedway - Montevideo, MN Veterans' Recognition Night Factory Stocks, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 2nd | - | - | 3rd |
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| 6/1/2018 | Fiesta City Speedway - Montevideo, MN Factory Stocks, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 2nd | - | - | 2nd |
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| 6/8/2018 | Fiesta City Speedway - Montevideo, MN ROC Qualifier Night Factory Stocks, A Modifieds, B Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 1st | - | - | 4th |
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| 6/15/2018 | Fiesta City Speedway - Montevideo, MN Fiesta Days - $3,000 to win WISSOTA Late Model Challenge Series WISSOTA Late Model: Wissota Late Model Challenge Series Factory Stocks, A Modifieds, B Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 2nd | - | - | 10th (DNF) |
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| 6/22/2018 | Fiesta City Speedway - Montevideo, MN Factory Stocks, A Modifieds, B Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 4th | - | - | 1st |
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| 6/29/2018 | Fiesta City Speedway - Montevideo, MN Street Stock Special Factory Stocks, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 2nd | - | - | 6th |
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| 7/13/2018 | Fiesta City Speedway - Montevideo, MN Factory Stocks, A Modifieds, B Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 3rd | - | - | 3rd |
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| 7/20/2018 | Fiesta City Speedway - Montevideo, MN Jam the Stands--MWM Special Factory Stocks, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 3rd | - | - | 6th |
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| 7/27/2018 | Fiesta City Speedway - Montevideo, MN Chippewa County Fair Races Factory Stocks, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 1st | - | - | 5th |
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| 8/10/2018 | Fiesta City Speedway - Montevideo, MN Super Stock Special Factory Stocks, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 3rd | - | - | 9th |
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| 8/24/2018 | Fiesta City Speedway - Montevideo, MN Modified Special Factory Stocks, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 4th | - | - | 10th |
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| 8/31/2018 | Fiesta City Speedway - Montevideo, MN Season Championship Factory Stocks, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tad Peterson (Factory Stocks) | 4th | - | - | 8th |
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