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| 1/3/2020 | Vado Speedway Park - Vado, NM Battle at the Border Dirt Super Late Models: World of Outlaws - Late Models USRA B-Mods, USRA Modifieds | Results | | Brock Gronwold (USRA B-Mods) | 2nd | - | - | 6th |
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| 1/4/2020 | Vado Speedway Park - Vado, NM Battle at the Border Dirt Super Late Models: World of Outlaws - Late Models USRA B-Mods, USRA Modifieds | Results | | Brock Gronwold (USRA B-Mods) | 1st | - | - | 1st |
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| 1/5/2020 | Vado Speedway Park - Vado, NM Battle at the Border Dirt Super Late Models: World of Outlaws - Late Models USRA B-Mods, USRA Modifieds | Results | | Brock Gronwold (USRA B-Mods) | 1st | - | - | 4th |
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| 1/10/2020 | Arizona Speedway - Queen Creek, AZ Wild West Shootout Practice A Modifieds: Wild West Shootout Dirt Super Late Models, B Modifieds | No Results |
| 1/11/2020 | Arizona Speedway - Queen Creek, AZ Wild West Shootout A Modifieds: Wild West Shootout Dirt Super Late Models, B Modifieds, USRA B-Mods, USRA Modifieds | Results | | Brock Gronwold (B Modifieds) | 1st | - | - | 1st |
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| 1/12/2020 | Arizona Speedway - Queen Creek, AZ Wild West Shootout A Modifieds: Wild West Shootout Dirt Super Late Models, B Modifieds, USRA B-Mods, USRA Modifieds, IMCA Modified | Results | | Brock Gronwold (B Modifieds) | 1st | - | - | 14th |
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| 1/15/2020 | Arizona Speedway - Queen Creek, AZ Wild West Shootout A Modifieds: Wild West Shootout Dirt Super Late Models, B Modifieds, USRA Modifieds, IMCA Modified | Results | | Brock Gronwold (B Modifieds) | 2nd | - | - | 23rd |
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| 1/17/2020 | Arizona Speedway - Queen Creek, AZ Wild West Shootout A Modifieds: Wild West Shootout Dirt Super Late Models, B Modifieds, USRA Modifieds | Results | | Brock Gronwold (B Modifieds) | 2nd | - | - | 9th |
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| 1/18/2020 | Arizona Speedway - Queen Creek, AZ Wild West Shootout A Modifieds: Wild West Shootout Dirt Super Late Models, B Modifieds, USRA Modifieds | Results | | Brock Gronwold (B Modifieds) | 5th | - | 2nd | 10th |
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| 1/19/2020 | Arizona Speedway - Queen Creek, AZ Wild West Shootout A Modifieds: Wild West Shootout Dirt Super Late Models, B Modifieds, USRA Modifieds | Results | | Brock Gronwold (B Modifieds) | 1st | - | - | 4th |
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| 5/22/2020 | Miller Central Speedway - Miller, SD Make up for rainout-doubleheader Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 1st |
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| 5/23/2020 | Miller Central Speedway - Miller, SD All Classes- Sponsor TBA Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 2nd |
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| 5/29/2020 | Miller Central Speedway - Miller, SD Double Header weekend Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 2nd | - | - | 2nd |
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| 5/30/2020 | Miller Central Speedway - Miller, SD All Classes- Sponsor TBA Dirt Late Models, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 2nd | - | - | 1st |
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| 6/4/2020 | Norman County Raceway - Ada, MN Season Opener/Birthday Night B Modifieds, Semi-Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 4th | - | - | 1st |
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| 6/11/2020 | Norman County Raceway - Ada, MN Minn-Kota Legends Tour Semi-Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 3rd | - | - | 9th (DNF) |
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| 6/12/2020 | I-94 Speedway - Fergus Falls, MN Regular Race night Hornets, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 1st |
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| 6/18/2020 | Norman County Raceway - Ada, MN Thursday Night Thunder Semi-Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 5th | - | - | 12th (DNF) |
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| 6/19/2020 | I-94 Speedway - Fergus Falls, MN Structural Buildings WISSOTA Late Model Challenge Series Hornets, Economy Late Models, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 19th (DNF) |
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| 6/25/2020 | Norman County Raceway - Ada, MN NOSA Sprint Cars 410 Sprints - Winged, Semi-Pro Legends, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods | Canceled |
| 6/26/2020 | I-94 Speedway - Fergus Falls, MN Regular Race Night- On-Site Wash & Drain Cleaning,Nelson Plumbing, and Lakes Area Concrete Pumping Hornets, Economy Late Models, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 4th | - | - | 3rd |
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| 7/3/2020 | I-94 Speedway - Fergus Falls, MN 4th of July Celebration with Kids Night- Vector Windows Hornets, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 3rd | - | - | 18th (DNF) |
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| 7/9/2020 | Norman County Raceway - Ada, MN Dakota Cat Mod Shootout/Family Night Semi-Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 1st |
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| 7/10/2020 | I-94 Speedway - Fergus Falls, MN Steffes Street Stock Tour-Minnesota Motors Hornets, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 2nd | - | - | 1st |
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| 7/11/2020 | Viking Speedway - Alexandria, MN 55th Season Opener - Street Stock Tour Special - All Classes Running - US Axe Throwing 5:30-7:00 Dirt Super Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 2nd | - | - | 3rd |
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| 7/17/2020 | I-94 Speedway - Fergus Falls, MN 3rd Annual Bob Gierke Memorial Race Hornets, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 2nd |
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| 7/18/2020 | Viking Speedway - Alexandria, MN Regular Race Night - All Classes Running Dirt Super Late Models, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 2nd | - | - | 1st | | Brock Gronwold (WISSOTA Street Stock) | 4th | - | - | 3rd |
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| 7/23/2020 | Norman County Raceway - Ada, MN Meet & Greet/Minn-Kota Legends Tour/Ladies Night Semi-Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 1st |
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| 7/24/2020 | I-94 Speedway - Fergus Falls, MN Regular Races-Allstate Peterbilt Hornets, Economy Late Models, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 2nd | - | - | 1st |
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| 7/25/2020 | Viking Speedway - Alexandria, MN Regular Race Night - All Classes Running Dirt Super Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 1st |
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| 7/30/2020 | Norman County Raceway - Ada, MN Red River Mod Tour North Semi-Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, WISSOTA Midwest Mods, WISSOTA Late Model | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 1st |
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| 7/31/2020 | I-94 Speedway - Fergus Falls, MN Vintage Modifieds: Northern Vintage Stockcar Racers Vintage Full Body Stock Cars, Hornets, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 5th |
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| 8/1/2020 | Viking Speedway - Alexandria, MN Regular Race Night - All Classes Running Dirt Super Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 3rd | - | - | 1st |
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| 8/6/2020 | Norman County Raceway - Ada, MN NOSA Sprint Cars/Luau Night 410 Sprints - Winged, Semi-Pro Legends, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 5th | - | - | 1st |
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| 8/7/2020 | I-94 Speedway - Fergus Falls, MN Super Stock Special-Dehn Oil Hornets, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 3rd | - | - | 5th |
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| 8/8/2020 | Viking Speedway - Alexandria, MN JERRY KLUVER MEMORIAL SUPER STOCK SPECIAL - NO LIMITED LATE MODELS Sprint Cars, Dirt Super Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 2nd | - | - | 2nd |
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| 8/13/2020 | Norman County Raceway - Ada, MN POWRi Minn-Kota Lightning Sprints at Narman County Raceway Semi-Pro Legends, Lightning Sprints, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods | Rain Out |
| 8/14/2020 | Miller Central Speedway - Miller, SD 6th Annual Big Dog Race Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 2nd | - | - | 1st |
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| 8/15/2020 | Viking Speedway - Alexandria, MN Napa Night - FREE GRAND STAND ADMISSION Dirt Super Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 2nd | - | - | 2nd |
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| 8/20/2020 | Norman County Raceway - Ada, MN NLRA Late Models/Back to School Night Semi-Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Late Model | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 4th | - | - | 1st |
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| 8/21/2020 | I-94 Speedway - Fergus Falls, MN Regular Races- West Bay Leasing Services Hornets, Economy Late Models, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 5th | - | - | 4th |
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| 8/22/2020 | Viking Speedway - Alexandria, MN Regular Race Night - All Classes Running Dirt Super Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 1st |
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| 8/27/2020 | Norman County Raceway - Ada, MN Season Championship Semi-Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 1st |
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| 8/28/2020 | I-94 Speedway - Fergus Falls, MN Regular Races-Johnson Jet-Line Hornets, Economy Late Models, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 2nd |
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| 8/29/2020 | Viking Speedway - Alexandria, MN Season Championship Night Dirt Super Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 2nd | - | - | 1st |
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| 9/4/2020 | I-94 Speedway - Fergus Falls, MN Season Championship-Sure Step Night Hornets, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 2nd | - | - | 1st |
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| 9/5/2020 | Viking Speedway - Alexandria, MN Labor Day Weekend Night #1 - Fallen Lineman Race Dirt Super Late Models, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 3rd | - | - | 5th |
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| 9/6/2020 | Viking Speedway - Alexandria, MN Labor Day Weekend Night #2 - Fallen Lineman Rain Date Dirt Super Late Models, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 2nd |
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| 9/10/2020 | Mississippi Thunder Speedway - Fountain City, WI 9th Annual Modified Nationals Presented by Dahl Chevy/GMC USRA B-Mods, USRA Modifieds, IMCA Modified | Results | | Brock Gronwold (USRA B-Mods) | 5th | - | 3rd | 9th |
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| 9/11/2020 | Mississippi Thunder Speedway - Fountain City, WI 9th Annual Modified Nationals Presented by Dahl Chevy/GMC USRA B-Mods, USRA Modifieds, IMCA Modified | Results | | Brock Gronwold (USRA B-Mods) | 6th | - | 6th | - |
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| 9/12/2020 | Mississippi Thunder Speedway - Fountain City, WI 9th Annual Modified Nationals Presented by Dahl Chevy/GMC USRA B-Mods, USRA Modifieds, IMCA Modified | Results | | Brock Gronwold (USRA B-Mods) | 1st | - | - | 4th |
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| 9/17/2020 | I-94 Speedway - Fergus Falls, MN The Dick Johanneck King of Dirt Special Hornets, Economy Late Models, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 6th | - | - | - |
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| 9/18/2020 | I-94 Speedway - Fergus Falls, MN The Dick Johanneck King of Dirt Special Hornets, Economy Late Models, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 14th (DNF) | - | - | - |
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| 9/19/2020 | I-94 Speedway - Fergus Falls, MN The Dick Johanneck King of Dirt Special Hornets, Economy Late Models, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brock Gronwold (WISSOTA Midwest Mods) | - | - | 4th | 13th |
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| 9/25/2020 | Jamestown Speedway - Jamestown, ND 49th Annual Jamestown Stock Car Stampede A Modifieds, Midwest Modifieds, B Modifieds, Street Stocks, Semi-Pro Legends, Pure Stock, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock, Junior Slingshots | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 2nd |
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| 9/26/2020 | Jamestown Speedway - Jamestown, ND 49th Annual Jamestown Stock Car Stampede A Modifieds, Midwest Modifieds, B Modifieds, Street Stocks, Semi-Pro Legends, Pure Stock, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock, Junior Slingshots | Results | | Brock Gronwold (WISSOTA Midwest Mods) | 1st | - | - | 1st |
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