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| 5/7/2021 | Casper Speedway - Casper, WY IMCA Modified Showdown Sponsored by Chuck's Bait Stock Cars, Vintage Modifieds, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | Brian Welch (WISSOTA Mod Four) | 6th | - | - | 6th |
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| 5/14/2021 | Casper Speedway - Casper, WY Stock Cars, Dwarf, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | Brian Welch (WISSOTA Mod Four) | 3rd | - | - | 5th |
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| 5/23/2021 | Sheridan Speedway - Sheridan, WY Sponsored by Sheridan Motors and Jimmy Johns Quarter Midgets, Dirt Mini Trucks, Junior Honda, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | 4th | - | - | 5th |
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| 6/4/2021 | Black Hills Speedway - Rapid City, SD PACK THE STANDS! $ Month Of Money $ Series Finale 360 Sprints - Winged, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | 3rd | - | - | 5th |
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| 6/6/2021 | Sheridan Speedway - Sheridan, WY Mod 4 Special - Sponsored by Sheridan Driveline Services and Matco - - Kids Bike Races Quarter Midgets, Dwarf, Junior Honda, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | 6th | - | - | 5th |
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| 6/27/2021 | Sheridan Speedway - Sheridan, WY Mountain States Modified Tour - Night 3 - Sponsored by AlphaGraphics IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | 2nd | - | - | 4th |
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| 6/28/2021 | Sheridan Speedway - Sheridan, WY Mountain States Modified Tour - Championship Night - Sponsored by Imperial Powder Coating IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | 4th | - | - | 5th |
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| 7/2/2021 | Black Hills Speedway - Rapid City, SD FIREWORKS Special! 360 Sprint Cars, Wissota Street Stock, IMCA Hobby Stock, Wissota Mod 4 Specials 360 Sprints - Winged, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | 2nd | - | - | 6th |
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| 7/3/2021 | Gillette Thunder Speedway - Gillette, WY IMCA Hobby Stock + Wissota Mod 4 Specials IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model | Results | | Brian Welch (WISSOTA Mod Four) | 4th | - | - | 7th |
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| 7/4/2021 | Casper Speedway - Casper, WY Mike Welch Memorial Mod Four Series Stock Cars, Vintage Modifieds, Dwarf, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | Brian Welch (WISSOTA Mod Four) | 6th (DNF) | 3rd | - | 10th (DNF) |
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| 7/5/2021 | Casper Speedway - Casper, WY Mike Welch Memorial Mod Four Series Dwarf, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | Brian Welch (WISSOTA Mod Four) | 5th (DNF) | - | - | DNS |
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| 8/13/2021 | Sheridan Speedway - Sheridan, WY I 90 - Night 1 - Sponsored by TireRama and Powder River Power of Sheridan Dirt Mini Trucks, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | 8th | - | - | 8th (DNF) |
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| 8/14/2021 | Sheridan Speedway - Sheridan, WY I 90 - Night 2 Sponsored by McDonald's Dirt Mini Trucks, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | DNS | - | - | DNS |
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| 8/15/2021 | Sheridan Speedway - Sheridan, WY I 90 - Night 3 Sponsored by Sheridan Homes Quarter Midgets, Dirt Mini Trucks, Junior Honda, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | 3rd | - | - | 3rd |
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| 8/22/2021 | Sheridan Speedway - Sheridan, WY CHAMPIONSHIP NIGHT!!!! -- Sponsored by Rocky Mountain Ambulance Quarter Midgets, Dirt Mini Trucks, Junior Honda, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | 4th | - | - | 5th |
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| 9/3/2021 | Gillette Thunder Speedway - Gillette, WY 21ST ANNUAL EAST-WEST CLASH IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | 5th | - | - | DNS |
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| 9/4/2021 | Gillette Thunder Speedway - Gillette, WY 21ST ANNUAL EAST-WEST CLASH Sport Compact, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | 2nd | 4th | - | 8th |
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| 9/5/2021 | Gillette Thunder Speedway - Gillette, WY 21ST ANNUAL EAST-WEST CLASH CHAMPIONSHIP Sport Compact, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Mod Four) | 4th | - | - | DNS |
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| 9/11/2021 | Black Hills Speedway - Rapid City, SD South Dakota Lottery Half-Mile Nationals IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brian Welch (WISSOTA Midwest Mods) | 7th | - | - | 8th |
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| 9/17/2021 | I-94 Speedway - Fergus Falls, MN WISSOTA 100 WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brian Welch (WISSOTA Midwest Mods) | 10th (DNF) | - | - | - |
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| 9/18/2021 | I-94 Speedway - Fergus Falls, MN WISSOTA 100 A Modifieds, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Brian Welch (WISSOTA Midwest Mods) | - | - | - | - |
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