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| 3/10/2021 | Humboldt Speedway - Humboldt, KS Battle at the Bullring Practice Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Midwest Modifieds, B Modifieds, Sport Compact, USRA B-Mods, USRA Modifieds | Rain Out |
| 3/24/2021 | Humboldt Speedway - Humboldt, KS KOA and Battle Practice A Modifieds: USMTS - United States Modified Touring Series B Modifieds, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Charlie Castle (USRA B-Mods) | - | - | - | - |
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| 4/3/2021 | Cedar Lake Speedway - New Richmond, WI CLS Dash #1 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series A Modifieds, Midwest Modifieds, Dirt Late Models, 305 Sprints - Non-Winged, Super Stocks, USRA Late Models | Results | | Charlie Castle (Midwest Modifieds) | 9th | - | 3rd | - |
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| 4/17/2021 | Ogilvie Raceway - Ogilvie, MN Saturday Night Shootout WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Charlie Castle (WISSOTA Midwest Mods) | 3rd | - | - | 8th |
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| 5/29/2021 | Ogilvie Raceway - Ogilvie, MN MN Modified Nationals presented by FYE Motorsports WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Super Stock, WISSOTA Hornet | Results | | Charlie Castle (WISSOTA Midwest Mods) | 5th | - | 5th | 23rd (DNF) |
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| 6/3/2021 | Grand Rapids Speedway - Grand Rapids, MN Public Service Appreciation Night WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Charlie Castle (WISSOTA Midwest Mods) | 5th | - | - | 5th |
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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 | | Charlie Castle (WISSOTA Midwest Mods) | 4th | - | - | 3rd |
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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 | | Charlie Castle (WISSOTA Midwest Mods) | 2nd | - | - | 5th |
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| 6/26/2021 | Hibbing Raceway - Hibbing, MN Kids Power Wheel Races WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Charlie Castle (WISSOTA Midwest Mods) | 4th | - | - | 6th |
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| 7/1/2021 | Grand Rapids Speedway - Grand Rapids, MN Salute the Troops Night WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Charlie Castle (WISSOTA Midwest Mods) | 2nd | - | - | 3rd |
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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 | | Charlie Castle (WISSOTA Midwest Mods) | 6th | - | - | 15th |
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| 7/15/2021 | Grand Rapids Speedway - Grand Rapids, MN Thursday Night Thunder WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Charlie Castle (WISSOTA Midwest Mods) | 3rd | - | - | 8th |
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| 7/17/2021 | Hibbing Raceway - 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 | | Charlie Castle (WISSOTA Midwest Mods) | 1st | - | - | 5th |
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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 | | Charlie Castle (WISSOTA Midwest Mods) | 2nd | - | - | 1st |
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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 | | Charlie Castle (WISSOTA Midwest Mods) | 5th | - | - | 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 | | Charlie Castle (WISSOTA Midwest Mods) | 2nd | - | - | 14th (DNF) |
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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 | | Charlie Castle (WISSOTA Midwest Mods) | 1st | - | - | 5th |
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| 8/19/2021 | Grand Rapids Speedway - Grand Rapids, MN AFCO Race of Champions Qualifier Winged Sprints, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Super Stock | Results | | Charlie Castle (WISSOTA Midwest Mods) | 5th | - | - | 3rd |
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| 8/21/2021 | Hibbing Raceway - Hibbing, MN Season Championship Night WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Charlie Castle (WISSOTA Midwest Mods) | 5th | - | - | 8th |
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| 9/3/2021 | Grand Rapids Speedway - Grand Rapids, 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 | Rain Out |
| 9/4/2021 | Hibbing Raceway - 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 | | Charlie Castle (WISSOTA Midwest Mods) | 3rd | - | 3rd | 22nd (DNF) |
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| 9/5/2021 | Hibbing Raceway - 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 | | Charlie Castle (WISSOTA Midwest Mods) | - | - | - | - |
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| 10/8/2021 | Ogilvie Raceway - Ogilvie, MN Fall Classic presented by FYE Motorsports A Modifieds, USRA Late Models, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Charlie Castle (WISSOTA Midwest Mods) | 7th | - | - | - |
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| 10/9/2021 | Ogilvie Raceway - Ogilvie, MN Fall Classic presented by FYE Motorsports A Modifieds, USRA Late Models, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Charlie Castle (WISSOTA Midwest Mods) | - | - | 5th | - |
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