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| 4/16/2021 | Princeton Speedway - Princeton, MN Season Opener Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 6th | - | - | 5th |
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| 4/17/2021 | North Central Speedway - Brainerd, MN Season Opener Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 3rd | - | - | 4th |
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| 4/30/2021 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 5th | - | - | 17th |
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| 5/1/2021 | North Central Speedway - Brainerd, MN Ron Johnson memorial race Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 5th | - | - | 8th |
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| 5/8/2021 | North Central Speedway - Brainerd, MN Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 4th | - | - | 7th |
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| 5/15/2021 | North Central Speedway - Brainerd, MN Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 3rd | - | - | 3rd |
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| 5/16/2021 | Buffalo River Speedway - Glyndon, MN May 16th 2021 Dirt Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | William Herron (IMCA Hobby Stock) | 1st | - | - | 3rd |
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| 5/22/2021 | North Central Speedway - Brainerd, MN Meet the drivers Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 2nd | - | - | 3rd |
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| 5/29/2021 | North Central Speedway - Brainerd, MN Weekly racing Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 4th | - | - | 6th |
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| 6/3/2021 | Norman County Raceway - Ada, MN Season Opener IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods | Results | | William Herron (IMCA Hobby Stock) | 4th | - | - | 3rd |
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| 6/5/2021 | North Central Speedway - Brainerd, MN Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 2nd | - | - | 7th |
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| 6/6/2021 | Buffalo River Speedway - Glyndon, MN June 6th 2021 NLRA Lightning Sprints: POWRi Minn-Kota Lightning Sprints Midgets, Sport Compact, IMCA Northern SportMod, IMCA Hobby Stock, WISSOTA Late Model | Results | | William Herron (IMCA Hobby Stock) | 5th (DNF) | - | - | 11th (DNF) |
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| 6/12/2021 | North Central Speedway - Brainerd, MN Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 2nd | - | - | 13th (DNF) |
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| 6/13/2021 | Buffalo River Speedway - Glyndon, MN June 13th 2021 Dirt Late Models, Lightning Sprints, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | William Herron (IMCA Hobby Stock) | 4th | - | - | 6th |
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| 6/18/2021 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 2nd | - | - | 7th |
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| 6/19/2021 | North Central Speedway - Brainerd, MN Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 2nd | - | - | 10th |
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| 6/25/2021 | Red River Valley Speedway - West Fargo, ND MN IMCA Sprint Car Series/King Pin Clash Semi-Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car | Results | | William Herron (IMCA Hobby Stock) | 2nd | - | - | 5th |
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| 6/27/2021 | Buffalo River Speedway - Glyndon, MN June 27th 2021 Dirt Late Models, Dwarf, Lightning Sprints, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | William Herron (IMCA Hobby Stock) | 6th | - | - | 8th |
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| 7/10/2021 | North Central Speedway - Brainerd, MN Vintage Modifieds: Northern Vintage Stockcar Racers Hobby Stocks, A Modifieds, B Modifieds, Vintage Full Body Stock Cars, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 3rd | - | - | 15th (DNF) |
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| 7/11/2021 | Buffalo River Speedway - Glyndon, MN July 11th 2021 Dirt Late Models, Pro Legends, Sport Compact, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods | Results | | William Herron (Hobby Stocks) | - | - | - | - | | William Herron (IMCA Hobby Stock) | 3rd | - | - | 6th |
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| 7/22/2021 | Kossuth County Speedway - Algona, IA Jess Weishaar Memorial & Mid Summer Hobby Stock Shoot Out B Modifieds, Street Stocks, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | William Herron (IMCA Hobby Stock) | 4th | - | - | 25th |
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| 7/23/2021 | Princeton Speedway - Princeton, MN Superstock Series and hobby stock tour WISSOTA Super Stock: Fast Lane Motorsports Northland Super Stock Series Hobby Stocks, B Modifieds, Sport Compact, WISSOTA Mod Four | Results | | William Herron (Hobby Stocks) | 4th | - | - | 14th |
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| 7/24/2021 | North Central Speedway - Brainerd, MN Hobby stock tour Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four | Results | | William Herron (Hobby Stocks) | 3rd | - | - | 10th |
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| 7/25/2021 | Buffalo River Speedway - Glyndon, MN July 25th 2021 HOBBY STOCK SHOOTOUT Lightning Sprints: POWRi Minn-Kota Lightning Sprints Midgets, Pro Legends, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock, WISSOTA Midwest Mods, Junior Slingshots | Results | | William Herron (IMCA Hobby Stock) | 7th | - | - | 18th (DNF) |
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| 7/30/2021 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four | Results | | William Herron (Hobby Stocks) | 4th | - | - | 7th |
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| 7/31/2021 | North Central Speedway - Brainerd, MN Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four | Results | | William Herron (Hobby Stocks) | 2nd | - | - | 10th |
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| 8/6/2021 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 3rd | - | - | 4th |
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| 8/13/2021 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | DNS | - | - | 8th |
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| 8/14/2021 | North Central Speedway - Brainerd, MN Bud Jones and sons night Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 2nd | - | - | 4th |
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| 8/21/2021 | North Central Speedway - Brainerd, MN Weekly races Vintage Modifieds: Northern Vintage Stockcar Racers Hobby Stocks, A Modifieds, B Modifieds, Vintage Full Body Stock Cars, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 2nd | - | - | 5th |
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| 8/22/2021 | Buffalo River Speedway - Glyndon, MN August 22nd 2021 Dirt Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | William Herron (IMCA Hobby Stock) | 5th | - | - | 6th |
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| 8/26/2021 | Norman County Raceway - Ada, MN Season Championship IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, WISSOTA Midwest Mods | Rain Out |
| 9/4/2021 | North Central Speedway - Brainerd, MN Mighty Axe Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 3rd | - | - | 4th |
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| 9/5/2021 | North Central Speedway - Brainerd, MN Mighty Axe night 2 Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | William Herron (Hobby Stocks) | 1st | - | - | 10th |
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