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| 6/12/2021 | Hibbing Speedway - Hibbing, MN Kids Rides WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | DNS | - | - | DNS |
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| 6/19/2021 | Hibbing Speedway - Hibbing, MN Race Of Champions Qualifier WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 7th | - | - | 7th |
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| 6/24/2021 | Grand Rapids Speedway - Grand Rapids, MN Meet the Drivers Night WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 5th | - | - | 8th |
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| 6/26/2021 | Hibbing Speedway - Hibbing, MN Kids Power Wheel Races WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 5th | - | - | 11th |
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| 7/8/2021 | Grand Rapids Speedway - Grand Rapids, MN Thursday Night Thunder Non-Winged Sprints, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 2nd | - | - | 12th |
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| 7/17/2021 | Hibbing Speedway - Hibbing, MN Rene Hughes Tribute 360 Sprints - Winged, 360 Sprints - Non-Winged, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 2nd | - | - | 7th |
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| 7/22/2021 | Grand Rapids Speedway - Grand Rapids, MN Thursday Night Thunder Non-Winged Sprints, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 4th | - | - | 4th |
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| 7/24/2021 | Hibbing Speedway - Hibbing, MN Frankie Rice Tribute Race Featuring Kids Bike Races! WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 4th | - | - | 3rd |
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| 7/29/2021 | Grand Rapids Speedway - Grand Rapids, MN Fast Lane Super Stock Series WISSOTA Super Stock: Fast Lane Motorsports Northland Super Stock Series WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 5th | - | - | 7th |
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| 7/31/2021 | Hibbing Speedway - Hibbing, MN Limited Sprints - Winged: UMSS Winged Sprint Car Series 360 Sprints - Non-Winged, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 2nd | - | - | 5th |
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| 8/5/2021 | Grand Rapids Speedway - Grand Rapids, MN Thursday Night Thunder + Box Car Races Non-Winged Sprints, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 6th | - | - | 6th |
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| 8/12/2021 | Grand Rapids Speedway - Grand Rapids, MN Grand Rapids Speedway Hall of Fame Night WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 1st | - | - | 7th |
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| 8/14/2021 | Hibbing Speedway - Hibbing, MN Hall of Fame Night Vintage Modifieds: Northern Vintage Stockcar Racers Vintage Full Body Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 1st | - | - | 4th |
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| 8/18/2021 | Grand Rapids Speedway - Grand Rapids, MN Itasca County Fair Hornet Invitational Non-Winged Sprints, Sport Compact, WISSOTA Mod Four, WISSOTA Pure Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 4th | - | - | 4th |
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| 8/21/2021 | Hibbing Speedway - Hibbing, MN Season Championship Night WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 1st | - | - | 6th |
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| 9/4/2021 | Hibbing Speedway - Hibbing, MN Structural Buildings WISSOTA Late Model Challenge Series WISSOTA Late Model: Wissota Late Model Challenge Series WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | 2nd | - | - | 4th |
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| 9/5/2021 | Hibbing Speedway - Hibbing, MN Structural Buildings WISSOTA Late Model Challenge Series - Championship Night WISSOTA Late Model: Wissota Late Model Challenge Series WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Brant Gruba (WISSOTA Hornet) | - | - | - | - |
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