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| 4/23/2021 | Eagle Valley Speedway - Jim Falls, WI River Country Coop Season Opener A Modifieds, B Modifieds, Street Stocks, Hornets, Super Stocks, Pure Stock | Rain Out |
| 4/30/2021 | Eagle Valley Speedway - Jim Falls, WI Friday Night Racing Action presented by Union Trailer & Power Equipment A Modifieds, B Modifieds, Street Stocks, Hornets, Super Stocks, Pure Stock | Results | | Karl Knopps (Pure Stock) | 1st | - | - | 3rd |
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| 5/14/2021 | Eagle Valley Speedway - Jim Falls, WI Friday Night Racing Action presented by Coca-Cola A Modifieds, B Modifieds, Street Stocks, Hornets, Super Stocks, Pure Stock | Results | | Karl Knopps (Pure Stock) | 1st | - | - | 1st |
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| 6/4/2021 | Eagle Valley Speedway - Jim Falls, WI 7th Annual Southworth Chevrolet - Tim's Automotive Machine Midwest Mod Special A Modifieds, B Modifieds, Street Stocks, Hornets, Super Stocks, Pure Stock | Results | | Karl Knopps (Pure Stock) | 3rd | - | - | 6th |
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| 6/18/2021 | Sk Speedway - Unity, WI Junk Yard Warriors with Regular Race Program Hornets, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Karl Knopps (Pure Stock) | 3rd | - | - | 2nd |
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| 6/25/2021 | Eagle Valley Speedway - Jim Falls, WI Haas Sons,Inc. - Friday Night Racing Action A Modifieds, B Modifieds, Street Stocks, Hornets, Super Stocks, Pure Stock | Results | | Karl Knopps (Pure Stock) | 3rd | - | - | 3rd |
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| 7/2/2021 | Eagle Valley Speedway - Jim Falls, WI Dalbeck Sales Modified Special Night 1 - Fireworks Special A Modifieds, B Modifieds, Street Stocks, Vintage Full Body Stock Cars, Super Stocks, Pure Stock, WISSOTA Modifieds | Results | | Karl Knopps (Pure Stock) | 2nd | - | - | 3rd |
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| 7/9/2021 | Eagle Valley Speedway - Jim Falls, WI Don Hazelton Memorial - Kids's Night A Modifieds, B Modifieds, Street Stocks, Hornets, Super Stocks, Pure Stock, USRA Late Models | Results | | Karl Knopps (B Modifieds) | 6th | - | - | 10th | | Karl Knopps (Pure Stock) | 2nd | - | - | 1st |
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| 7/16/2021 | Eagle Valley Speedway - Jim Falls, WI Dalbeck Sales Modified Special Night 2 Vintage Modifieds: Northern Vintage Stockcar Racers A Modifieds, B Modifieds, Street Stocks, Vintage Full Body Stock Cars, Hornets, Super Stocks, Pure Stock | Results | | Karl Knopps (B Modifieds) | 5th | - | - | 9th | | Karl Knopps (Pure Stock) | 2nd | - | - | 1st |
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| 8/13/2021 | Eagle Valley Speedway - Jim Falls, WI Budweiser Night A Modifieds, B Modifieds, Street Stocks, Hornets, Super Stocks, Pure Stock, USRA Late Models | Results | | Karl Knopps (B Modifieds) | 8th (DNF) | - | - | DNS |
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| 8/20/2021 | Eagle Valley Speedway - Jim Falls, WI 20th Annual Lonnie Leu Memorial presented by Krug's Towing & EVS A Modifieds, B Modifieds, Street Stocks, Hornets, Super Stocks, Pure Stock, USRA Late Models | Results | | Karl Knopps (B Modifieds) | DNS | - | - | DNS |
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| 9/4/2021 | Rice Lake Speedway - Rice Lake, WI Holiday Season Finale, $1000 to win Pure Stocks (Increased pay all classes) WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Karl Knopps (WISSOTA Midwest Mods) | 5th | - | 2nd | 23rd (DNF) |
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| 9/10/2021 | Eagle Valley Speedway - Jim Falls, WI 2nd Annual - Dalbeck Logging - Union Trailer & Power Equipment Jim Town Showdown A Modifieds, B Modifieds, Street Stocks, Super Stocks, Pure Stock, USRA Late Models, WISSOTA Modifieds | Results | | Karl Knopps (B Modifieds) | 7th | - | 4th | - |
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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 | | Karl Knopps (Pony Stock) | - | - | - | 9th |
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| 9/17/2021 | Cedar Lake Speedway - New Richmond, WI 16th Annual Legendary 100 Night 2 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 | | Karl Knopps (Pony Stock) | - | - | - | 14th |
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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 | | Karl Knopps (Pony Stock) | - | - | - | DNS |
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