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| 6/27/2020 | Hibbing Raceway - Hibbing, MN Season Opener! Limited Sprints - Winged: Upper Midwest Sprint Car Series WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Dean Mattila (WISSOTA Super Stock) | 5th | - | - | 9th |
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| 7/11/2020 | Hibbing Raceway - Hibbing, MN Weekly Races WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Dean Mattila (WISSOTA Super Stock) | 2nd | - | - | 11th (DNF) |
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| 7/25/2020 | Hibbing Raceway - Hibbing, MN Hornet Swarm Vintage Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Dean Mattila (WISSOTA Super Stock) | 4th | - | - | 7th |
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| 8/1/2020 | Hibbing Raceway - Hibbing, MN Weekly Races Vintage Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Dean Mattila (WISSOTA Super Stock) | 7th | - | - | 7th |
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| 8/15/2020 | Hibbing Raceway - Hibbing, MN Weekly Racing Vintage Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Dean Mattila (WISSOTA Super Stock) | 6th | - | - | 10th |
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| 8/22/2020 | Hibbing Raceway - Hibbing, MN Northern Renegade Sprint Cars Return! 360 Sprints - Winged, 360 Sprints - Non-Winged, Vintage Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Dean Mattila (WISSOTA Super Stock) | 5th | - | - | 7th |
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| 9/5/2020 | Hibbing Raceway - Hibbing, MN Structural Buildings WISSOTA Late Model Challenge Series WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Dean Mattila (WISSOTA Super Stock) | 7th | - | - | - |
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| 9/6/2020 | Hibbing Raceway - Hibbing, MN Structural Buildings WISSOTA Late Model Challenge Series WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Dean Mattila (WISSOTA Super Stock) | 7th | - | - | 18th (DNF) |
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