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| 5/21/2020 | Gondik Law Speedway - Superior, WI 15th Annual Wehrs Machine Minnesota Modified Nationals driven by Boston Trucking-Night #1 USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 6th | - | - | 11th |
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| 5/22/2020 | Gondik Law Speedway - Superior, WI 15th Annual Wehrs Machine Minnesota Modified Nationals driven by Boston Trucking-Night #2 USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 4th | - | - | 10th |
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| 5/24/2020 | Eagle Valley Speedway - Jim Falls, WI Sunday Night WISSOTA Racing Action Limited Sprints - Winged: Upper Midwest Sprint Car Series 360 Sprints - Non-Winged: Traditional Sprint Car Series A Modifieds, Hornets, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Doug Koski (WISSOTA Super Stock) | 2nd | - | - | 4th |
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| 5/29/2020 | Gondik Law Speedway - Superior, WI Rescheduled 59th Season Opener USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 2nd | - | - | 10th |
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| 6/4/2020 | Gondik Law Speedway - Superior, WI Gondik Law Speedway Doubleheader Shootout presented by Broking Transport-Night #1 WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 3rd | - | - | 7th |
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| 6/5/2020 | Gondik Law Speedway - Superior, WI Gondik Law Speedway Doubleheader Shootout presented by Broking Transport-Night #2 WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 3rd | - | - | 6th |
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| 6/6/2020 | Rice Lake Speedway - Rice Lake, WI WISSOTA Late Models plus Supers, Streets, MWM, and Pures no Mods DIRTcar UMP Modifieds, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Doug Koski (WISSOTA Super Stock) | 5th | - | - | 6th |
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| 6/12/2020 | Gondik Law Speedway - Superior, WI Friday Night at the Races DIRTcar UMP Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 9th (DNF) | - | - | 10th |
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| 6/13/2020 | North Central Speedway - Brainerd, MN Weekly Racing plus IMCA Stock Cars Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Doug Koski (WISSOTA Super Stock) | 2nd | - | - | 7th |
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| 6/19/2020 | Gondik Law Speedway - Superior, WI Rivord Auto & Transmission Repair Night DIRTcar UMP Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 7th | - | - | 13th |
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| 6/26/2020 | Gondik Law Speedway - Superior, WI Limited Sprints - Winged: Upper Midwest Sprint Car Series 360 Sprints - Non-Winged: Traditional Sprint Car Series Vintage Modifieds: Northern Vintage Stockcar Racers Vintage Full Body Stock Cars, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 6th | - | - | 8th |
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| 6/27/2020 | Hibbing Raceway - Hibbing, MN Season Opener! Limited Sprints - Winged: Upper Midwest Sprint Car Series WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 2nd | - | - | 7th |
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| 7/2/2020 | Gondik Law Speedway - Superior, WI 4th Annual Great Lakes Border Battle fueled by Superior Fuel-Night #1 USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 6th | - | - | 8th |
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| 7/3/2020 | Gondik Law Speedway - Superior, WI 4th Annual Great Lakes Border Battle fueled by Superior Fuel-Night #2 USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 2nd | - | - | 10th |
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| 7/4/2020 | Gondik Law Speedway - Superior, WI 4th Annual Great Lakes Border Battle fueled by Superior Fuel-Night #3 USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 6th | - | - | 11th |
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| 7/5/2020 | Eagle Valley Speedway - Jim Falls, WI Sunday Night Fireworks w/ WISSOTA Auto Racing Hornets, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Doug Koski (WISSOTA Super Stock) | 4th | - | - | 4th |
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| 7/9/2020 | Grand Rapids Speedway - Grand Rapids, MN Thursday Night Thunder Season Opener Non-Winged Sprints, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Rain Out |
| 7/10/2020 | Gondik Law Speedway - Superior, WI Red Cedar Speedway Night USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 3rd | - | - | 16th (DNF) |
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| 7/17/2020 | Eagle Valley Speedway - Jim Falls, WI Friday Night WISSOTA Auto Racing Hornets, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Doug Koski (WISSOTA Super Stock) | 4th | - | - | 3rd |
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| 7/24/2020 | Eagle Valley Speedway - Jim Falls, WI Friday Night WISSOTA Auto Racing - 4th Annual Kyle Runkel Memorial Hornets, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Doug Koski (WISSOTA Super Stock) | 3rd | - | - | 4th |
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| 7/25/2020 | Hibbing Raceway - Hibbing, MN Hornet Swarm Vintage Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 1st | - | - | 1st |
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| 7/30/2020 | Grand Rapids Speedway - Grand Rapids, MN Thursday Night Thunder Racing Action WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 5th | - | - | 2nd |
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| 7/31/2020 | Gondik Law Speedway - Superior, WI Structural Buildings WISSOTA Late Model Challenge Series USRA Late Models, WISSOTA Late Model, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 5th | - | - | 9th |
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| 8/6/2020 | Grand Rapids Speedway - Grand Rapids, MN Thursday Night Thunder Racing Action WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 4th | - | - | 4th |
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| 8/14/2020 | Eagle Valley Speedway - Jim Falls, WI 19th Annual Lonnie Leu Memorial by Krug's Towing & Lisa Leu Hornets, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Doug Koski (WISSOTA Super Stock) | 6th | - | - | 8th |
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| 9/5/2020 | Hibbing Raceway - Hibbing, MN Structural Buildings WISSOTA Late Model Challenge Series WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 4th | - | - | - |
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| 9/6/2020 | Hibbing Raceway - Hibbing, MN Structural Buildings WISSOTA Late Model Challenge Series WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Doug Koski (WISSOTA Super Stock) | 4th | - | - | 6th |
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| 9/11/2020 | Gondik Law Speedway - Superior, WI Northern Nationals WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Super Stock | Results | | Doug Koski (WISSOTA Super Stock) | 5th | - | 3rd | 20th |
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| 9/12/2020 | Gondik Law Speedway - Superior, WI Northern Nationals WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Super Stock | Results | | Doug Koski (WISSOTA Super Stock) | 7th (DNF) | - | - | 21st (DNF) |
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