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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 |
| 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 | | Ken Larson (Pure Stock) | 3rd | - | - | 6th |
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| 5/29/2021 | Rice Lake Speedway - Rice Lake, WI Swant Graber presents Structural Buildings WISSOTA Challenge Series (No Mods) plus PS, St S, SS, MWM WISSOTA Late Model: Wissota Late Model Challenge Series WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Ken Larson (WISSOTA Pure Stock) | 4th | - | - | 10th |
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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 | | Ken Larson (Pure Stock) | 4th (DNF) | - | - | 9th (DNF) |
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| 6/19/2021 | Rice Lake Speedway - Rice Lake, WI Real Estate Solutions, Five Class Program WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Ken Larson (WISSOTA Pure Stock) | 4th | - | - | 18th (DNF) |
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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 | | Ken Larson (Pure Stock) | 7th | - | - | 6th (DNF) |
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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 | | Ken Larson (Pure Stock) | 5th | - | - | 8th |
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| 7/3/2021 | Rice Lake Speedway - Rice Lake, WI Rice Lake Tourism Firecracker Special, Barron County Relay at the Races, 5 class program WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Ken Larson (WISSOTA Pure Stock) | 4th | - | - | 8th |
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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 | | Ken Larson (Pure Stock) | 4th | - | - | 9th (DNF) |
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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 | | Ken Larson (Pure Stock) | 6th | - | - | 8th |
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| 7/23/2021 | Eagle Valley Speedway - Jim Falls, WI Kyle Runkle Memorial A Modifieds, B Modifieds, Street Stocks, Hornets, Super Stocks, Pure Stock | Results | | Ken Larson (Pure Stock) | 4th | - | - | 4th |
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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 | | Ken Larson (Pure Stock) | 6th (DNF) | - | - | 5th |
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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 | | Ken Larson (Pure Stock) | 5th | - | - | 4th |
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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 | | Ken Larson (WISSOTA Pure Stock) | 4th | - | - | - |
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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 | | Ken Larson (Pure Stock) | 4th | - | - | 7th |
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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 | | Ken Larson (Pure Stock) | - | - | - | 7th |
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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 | | Ken Larson (Pure Stock) | - | - | - | 10th |
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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 | | Ken Larson (Pure Stock) | - | - | - | 8th |
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