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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 | | Mike Klippenstein (WISSOTA Midwest Mods) | 10th | - | 7th | - |
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| 5/16/2021 | Proctor Speedway - Proctor, MN Weekly Racing WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Midwest Mods) | 8th | - | - | 16th (DNF) |
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| 5/21/2021 | Gondik Law Speedway - Superior, WI Friday Night at the Races WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Midwest Mods) | 6th | - | - | 13th (DNF) |
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| 6/4/2021 | Gondik Law Speedway - Superior, WI Friday Night at the Races WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Midwest Mods) | 8th | - | - | 19th |
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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 | | Mike Klippenstein (WISSOTA Modifieds) | 9th | - | - | 9th |
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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 | | Mike Klippenstein (WISSOTA Modifieds) | 7th | - | - | 20th (DNF) |
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| 6/18/2021 | Gondik Law Speedway - Superior, WI Meet The Drivers Night WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Modifieds) | 5th | - | - | 12th |
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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 | | Mike Klippenstein (WISSOTA Modifieds) | 6th | - | - | 10th | | Mike Klippenstein (WISSOTA Hornet) | - | - | - | - |
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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 | | Mike Klippenstein (WISSOTA Modifieds) | 5th | - | - | 6th |
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| 7/2/2021 | Gondik Law Speedway - Superior, WI 5th Annual Great Lakes Border Battle-Night #1 WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Modifieds) | 9th | - | 12th (DNF) | - |
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| 7/9/2021 | Hibbing Raceway - Hibbing, MN WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Modifieds) | 8th | - | - | 9th |
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| 7/10/2021 | ABC Raceway - Ashland, WI Kid's Bike Races presented by Chicago Iron & Supplies Dirt 6-cyl Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Modifieds) | 4th | - | - | 10th (DNF) |
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| 7/13/2021 | Gondik Law Speedway - Superior, WI World of Outlaws Late Model Special Dirt Super Late Models: World of Outlaws - Late Models WISSOTA Modifieds, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Modifieds) | 9th | - | - | 14th |
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| 7/18/2021 | Proctor Speedway - Proctor, MN AFCO ROC Qualifier + Vintage 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 | | Mike Klippenstein (WISSOTA Modifieds) | 5th | - | - | 5th |
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| 7/20/2021 | Gondik Law Speedway - Superior, WI Fair Week-Night #1 WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Modifieds) | 10th | - | - | 8th |
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| 7/29/2021 | ABC Raceway - Ashland, WI 444 Memorial For Tanner Byholm WISSOTA Late Model: Wissota Late Model Challenge Series A Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds | Results | | Mike Klippenstein (WISSOTA Modifieds) | 7th | - | 7th | - |
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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 | | Mike Klippenstein (WISSOTA Modifieds) | 8th | - | - | 8th |
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| 8/1/2021 | Proctor Speedway - Proctor, MN S. St. Louis County Fair Races + Fastlane Super Stock Series WISSOTA Super Stock: Fast Lane Motorsports Northland Super Stock Series WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Modifieds) | 7th | - | - | 7th |
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| 8/13/2021 | Gondik Law Speedway - Superior, WI National Suicide Prevention Lifeline Night-Pure Stock Special Vintage Modifieds: Northern Vintage Stockcar Racers Vintage Full Body Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Modifieds) | 5th | - | - | 9th |
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| 8/14/2021 | ABC Raceway - Ashland, WI WIMI Night at the Races with the Northern Renegade Sprints 360 Sprints - Non-Winged, Dirt 6-cyl Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Modifieds) | 6th | - | - | 10th |
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| 8/15/2021 | Proctor Speedway - Proctor, MN Non-Winged Sprint Car Special + Weekly Racing 360 Sprints - Non-Winged, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Modifieds) | 6th | - | - | 7th |
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| 8/20/2021 | Gondik Law Speedway - Superior, WI Badger State Hornet Nationals/AFCO Race of Champions/Hall of Fame Night WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Modifieds) | 6th | - | - | 11th |
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| 8/21/2021 | ABC Raceway - Ashland, WI Safari Bar Hornet's Nest 25 presented by the ABC Sportsmen Club Dirt 6-cyl Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Mike Klippenstein (WISSOTA Modifieds) | 2nd | - | - | 12th |
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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 | | Mike Klippenstein (WISSOTA Modifieds) | DNS | - | - | 7th |
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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 | | Mike Klippenstein (WISSOTA Modifieds) | 4th | - | - | 13th |
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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 | | Mike Klippenstein (WISSOTA Modifieds) | 8th | - | 11th | - |
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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 | | Mike Klippenstein (WISSOTA Modifieds) | 9th | - | 11th | - |
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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 | | Mike Klippenstein (WISSOTA Modifieds) | 6th | - | 11th | 16th |
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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 | | Mike Klippenstein (WISSOTA Modifieds) | 7th | - | 11th | - |
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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 | | Mike Klippenstein (A Modifieds) | - | - | 7th | - | | Mike Klippenstein (Midwest Modifieds) | - | - | - | - |
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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 | | Mike Klippenstein (WISSOTA Modifieds) | 2nd | - | - | 23rd (DNF) |
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| 10/22/2021 | Ogilvie Raceway - Ogilvie, MN Topless Nationals Night One A Modifieds, B Modifieds, Street Stocks, Dirt 4 cyl Modifieds, Super Stocks | Results | | Mike Klippenstein (A Modifieds) | 4th | - | - | - |
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| 10/23/2021 | Ogilvie Raceway - Ogilvie, MN Topless Nationals Night Two A Modifieds, Winged A-Class, B Modifieds, Street Stocks, Dirt 4 cyl Modifieds, Super Stocks | Results | | Mike Klippenstein (A Modifieds) | - | - | - | 25th (DNF) |
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