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| 5/23/2021 | Buffalo River Speedway - Glyndon, MN May 23rd 2021 Lightning Sprints: POWRi Minn-Kota Lightning Sprints Midgets, Dirt Late Models, Sport Compact, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Lee Williams (Sport Compact) | 6th | - | - | 10th |
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| 5/31/2021 | Sheyenne Speedway - Lisbon, ND MEMORIAL DAY Pro Legends, Sport Compact, Pure Stock, WISSOTA Midwest Mods, WISSOTA Street Stock | Results | | Lee Williams (Sport Compact) | DNS | - | - | 11th |
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| 6/4/2021 | I-94 Speedway - Fergus Falls, MN Prelude to the Dick Johanneck King of Dirt Hornets, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Lee Williams (Hornets) | 9th | - | - | 12th |
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| 6/5/2021 | I-94 Speedway - Fergus Falls, MN The Dick Johanneck King of Dirt Special Hornets, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Lee Williams (Hornets) | 9th | - | - | 18th |
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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 | | Lee Williams (Sport Compact) | 5th (DNF) | - | - | 5th |
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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 | | Lee Williams (Sport Compact) | 7th (DNF) | - | - | DNS |
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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 | | Lee Williams (Sport Compact) | 6th | - | - | 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 | | Lee Williams (Sport Compact) | 10th | - | - | 7th |
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| 8/1/2021 | Buffalo River Speedway - Glyndon, MN August 1st 2021 FAN APPRECIATION NIGHT Lightning Sprints: POWRi Minn-Kota Lightning Sprints Midgets, Dirt Late Models, Pro Legends, Sport Compact, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Lee Williams (Sport Compact) | 3rd | - | - | 6th |
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| 8/8/2021 | Buffalo River Speedway - Glyndon, MN August 8th 2021 NOSA 410 Sprints - Winged: Northern Outlaw Sprint Association Dirt Late Models, Lightning Sprints, Sport Compact, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Lee Williams (Sport Compact) | 6th | - | - | 8th |
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| 8/15/2021 | Buffalo River Speedway - Glyndon, MN August 15th 2021 POWRi MINN-KOTA LIGHTNING SPRINT SHOOTOUT Lightning Sprints: POWRi Minn-Kota Lightning Sprints Midgets, Dirt Late Models, Sport Compact, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Lee Williams (Sport Compact) | 4th | - | - | 17th |
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| 9/12/2021 | Buffalo River Speedway - Glyndon, MN September 12th 2021 CORN COB NATIONALS Pro Legends, Lightning Sprints, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Lee Williams (Sport Compact) | 4th | - | - | 6th |
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