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| 7/24/2021 | ABC Raceway - Ashland, WI Northern Clearing Inc Racing for a Reason with the Northern Renegade Sprints 360 Sprints - Non-Winged, Dirt 6-cyl Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Hornet | Results | | Duane Dunbar (WISSOTA Midwest Mods) | 3rd | - | - | 7th |
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| 7/29/2021 | ABC Raceway - Ashland, WI 444 Memorial For Tanner Byholm WISSOTA Late Model: Wissota Late Model Challenge Series A Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds | Results | | Duane Dunbar (WISSOTA Midwest Mods) | 5th | - | - | 14th |
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| 7/31/2021 | ABC Raceway - Ashland, WI Fast Lane Super Stock Series WISSOTA Super Stock: Fast Lane Motorsports Northland Super Stock Series Dirt 6-cyl Stock Cars, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Hornet | Results | | Duane Dunbar (WISSOTA Midwest Mods) | 2nd | - | - | 7th |
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| 8/14/2021 | ABC Raceway - Ashland, WI WIMI Night at the Races with the Northern Renegade Sprints 360 Sprints - Non-Winged, Dirt 6-cyl Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Duane Dunbar (WISSOTA Midwest Mods) | 6th | - | - | 6th |
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| 8/21/2021 | ABC Raceway - Ashland, WI Safari Bar Hornet's Nest 25 presented by the ABC Sportsmen Club Dirt 6-cyl Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Duane Dunbar (WISSOTA Midwest Mods) | 1st | - | - | 9th |
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| 10/1/2021 | ABC Raceway - Ashland, WI Red Clay Classic A Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Super Stock | Results | | Duane Dunbar (WISSOTA Midwest Mods) | 6th | - | 3rd | - |
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