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| 5/14/2021 | Gondik Law Speedway - Superior, WI Rescheduled 60th Season Opener WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Donnie Lofdahl (WISSOTA Modifieds) | 7th (DNF) | - | - | DNS |
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| 6/6/2021 | Proctor Speedway - Proctor, MN Weekly Racing presented by St. Germain's Glass WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Donnie Lofdahl (WISSOTA Modifieds) | 1st | - | - | 6th |
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| 6/10/2021 | Grand Rapids Speedway - Grand Rapids, MN Advantage RV Mod Tour Non-Winged Sprints, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Hornet | Results | | Donnie Lofdahl (WISSOTA Modifieds) | 8th | - | - | 13th |
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| 6/12/2021 | ABC Raceway - Ashland, WI RV Mod Series Presented by NAPA Auto of Ashland & Washburn A Modifieds, Dirt 6-cyl Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Hornet | Results | | Donnie Lofdahl (WISSOTA Modifieds) | 6th | - | 9th (DNF) | - |
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| 6/13/2021 | Proctor Speedway - Proctor, MN King on the Hill Modified Special WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Hornet | Results | | Donnie Lofdahl (WISSOTA Modifieds) | 2nd | - | - | DNS |
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| 6/25/2021 | Gondik Law Speedway - Superior, WI Limited Sprints - Winged: Upper Midwest Sprint Car Series Vintage Modifieds: Northern Vintage Stockcar Racers 360 Sprints - Non-Winged, 305 Sprints - Non-Winged, Vintage Full Body Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Hornet | Results | | Donnie Lofdahl (WISSOTA Modifieds) | 4th | - | - | 13th (DNF) |
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| 8/22/2021 | Proctor Speedway - Proctor, MN 70th Anniversary Season Championship WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Donnie Lofdahl (WISSOTA Modifieds) | 8th (DNF) | - | - | DNS |
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| 9/2/2021 | Proctor Speedway - Proctor, MN Structural Buildings WISSOTA Late Model Challenge Series WISSOTA Late Model: Wissota Late Model Challenge Series WISSOTA Modifieds | Results | | Donnie Lofdahl (WISSOTA Modifieds) | 7th (DNF) | - | 5th | - |
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| 9/10/2021 | Gondik Law Speedway - Superior, WI Northern Nationals-Night #2 WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Super Stock | Results | | Donnie Lofdahl (WISSOTA Modifieds) | 7th | - | 12th | - |
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| 9/11/2021 | Gondik Law Speedway - Superior, WI Northern Nationals-Night #3 WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Super Stock | Results | | Donnie Lofdahl (WISSOTA Modifieds) | 7th (DNF) | - | 16th (DNF) | - |
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| 9/16/2021 | Cedar Lake Speedway - New Richmond, WI 16th Annual Legendary 100 Night 1 Limited Sprints - Winged: Upper Midwest Sprint Car Series 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series A Modifieds, Midwest Modifieds, Street Stocks, Dirt Late Models, 305 Sprints - Non-Winged, Pony Stock, Super Stocks, Pure Stock, USRA Late Models, WISSOTA Midwest Mods | Results | | Donnie Lofdahl (A Modifieds) | - | - | - | 16th (DNF) |
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| 9/18/2021 | Cedar Lake Speedway - New Richmond, WI 16th Annual Legendary 100 Night 3 Limited Sprints - Winged: Upper Midwest Sprint Car Series 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series A Modifieds, Midwest Modifieds, Street Stocks, Dirt Late Models, 305 Sprints - Non-Winged, Pony Stock, Super Stocks, Pure Stock, USRA Late Models, WISSOTA Midwest Mods | Results | | Donnie Lofdahl (A Modifieds) | - | - | DNS | - |
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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 | | Donnie Lofdahl (WISSOTA Modifieds) | 6th | - | 5th | - |
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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 | | Donnie Lofdahl (WISSOTA Modifieds) | 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 | | Donnie Lofdahl (WISSOTA Modifieds) | - | - | 10th | - |
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| 10/15/2021 | Gondik Law Speedway - Superior, WI Inaugural Can-Am Clash-Night #1 Fueled by Superior Fuel WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Donnie Lofdahl (WISSOTA Modifieds) | 3rd | - | - | 18th |
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