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| 5/25/2018 | Miller Central Speedway - Miller, SD Miller Central Speedway Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Michael Retzer (WISSOTA Modifieds) | 6th | - | - | 7th (DNF) |
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| 6/1/2018 | Brown County Speedway - Aberdeen, SD Titan Machinery Season Opener Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Michael Retzer (WISSOTA Modifieds) | 5th | - | - | 7th (DNF) |
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| 6/8/2018 | Brown County Speedway - Aberdeen, SD RDO Equipment Company Race Night Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Michael Retzer (WISSOTA Modifieds) | 7th | - | - | 14th (DNF) |
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| 6/15/2018 | Brown County Speedway - Aberdeen, SD Sheehan Trailers Fargo Force Super Stock Series with All Classes Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Michael Retzer (WISSOTA Modifieds) | 4th (DNF) | - | - | 10th (DNF) |
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| 7/20/2018 | Brown County Speedway - Aberdeen, SD Roto Roter Sewer Drain Service Race Night Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Michael Retzer (WISSOTA Modifieds) | 6th | - | - | 12th |
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| 7/27/2018 | Brown County Speedway - Aberdeen, SD Bieglers C & S Motorsports Presents Advantage RV's Modified Tour with Fargo Force Super Stock Series Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Michael Retzer (WISSOTA Modifieds) | 7th (DNF) | - | 6th | - |
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| 8/3/2018 | Brown County Speedway - Aberdeen, SD Bullet SportsWear Double Down Nationals AFCO Race of Champions Qualifier Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Michael Retzer (WISSOTA Modifieds) | 4th | - | - | 19th |
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| 8/4/2018 | Brown County Speedway - Aberdeen, SD Bullet SportsWear & Aberdeen Hotel Alliance Kids's Night Double Down Nationals Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Michael Retzer (WISSOTA Modifieds) | 7th | - | - | 15th (DNF) |
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| 8/10/2018 | Brown County Speedway - Aberdeen, SD Mustang Seeds Season Championship Night Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Michael Retzer (WISSOTA Modifieds) | 4th | - | - | 10th |
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