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| 5/22/2021 | Hibbing Raceway - Hibbing, MN Season Opener! WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Rain Out |
| 5/30/2021 | Bemidji Speedway - Bemidji, MN 4th Annual Chicken Shack Nationals Hornets, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Jeremy Theisen (WISSOTA Midwest Mods) | 2nd | - | - | 16th |
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| 6/5/2021 | Hibbing Raceway - Hibbing, MN Autograph Night WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Jeremy Theisen (WISSOTA Midwest Mods) | 4th | - | - | 10th |
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| 6/12/2021 | Hibbing Raceway - Hibbing, MN Kids Rides WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Jeremy Theisen (WISSOTA Midwest Mods) | 7th | - | - | 13th |
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| 6/17/2021 | Grand Rapids Speedway - Grand Rapids, MN Thursday Night Thunder + Kid's Bike Races Non-Winged Sprints, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Jeremy Theisen (WISSOTA Midwest Mods) | 4th | - | - | 7th |
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| 6/19/2021 | Hibbing Raceway - Hibbing, MN Race Of Champions Qualifier WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Jeremy Theisen (WISSOTA Midwest Mods) | 8th | - | - | 10th (DNF) |
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| 7/24/2021 | Hibbing Raceway - 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 | | Jeremy Theisen (WISSOTA Midwest Mods) | 6th | - | - | 9th |
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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 | | Jeremy Theisen (WISSOTA Midwest Mods) | 3rd | - | - | 2nd |
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| 7/31/2021 | Hibbing Raceway - Hibbing, MN Limited Sprints - Winged: Upper Midwest Sprint Car Series 360 Sprints - Non-Winged, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Jeremy Theisen (WISSOTA Midwest Mods) | 7th (DNF) | - | - | 9th |
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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 | | Jeremy Theisen (WISSOTA Midwest Mods) | 5th | - | - | 9th |
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