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| 5/23/2020 | Gillette Thunder Speedway - Gillette, WY TORC Energy Services Opening Night IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Duane Manning (WISSOTA Midwest Mods) | DNS | - | - | 6th |
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| 5/30/2020 | Gillette Thunder Speedway - Gillette, WY Regular Race Night IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Duane Manning (WISSOTA Midwest Mods) | 1st | - | - | 4th |
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| 6/13/2020 | Gillette Thunder Speedway - Gillette, WY 360 Sprints - Winged: ASCS Frontier Region IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model | Results | | Duane Manning (WISSOTA Midwest Mods) | 3rd | - | - | 7th |
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| 6/14/2020 | Sheridan Speedway - Sheridan, WY Alpine Climate Control presents Mod 4 Special Dirt Mini Trucks, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Duane Manning (WISSOTA Midwest Mods) | 2nd | - | - | 12th |
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| 6/20/2020 | Gillette Thunder Speedway - Gillette, WY PACK THE STANDS FREE FAN ADMISSION IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model | Results | | Duane Manning (WISSOTA Midwest Mods) | 1st | - | - | 4th |
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| 6/27/2020 | Gillette Thunder Speedway - Gillette, WY WISSOTA Street Stock Special IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Duane Manning (WISSOTA Midwest Mods) | 1st | - | - | 7th |
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| 7/3/2020 | Casper Speedway - Casper, WY O'Reilly A Mod Special Hobby Stocks, Stock Cars, Vintage Modifieds, Dwarf, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | Duane Manning (WISSOTA Midwest Mods) | 5th | - | - | 2nd |
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| 7/4/2020 | Casper Speedway - Casper, WY July 4th Celebration / A Mod Special Hobby Stocks, Stock Cars, Vintage Modifieds, Dwarf, Pure Stock, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | Duane Manning (WISSOTA Midwest Mods) | 1st | - | - | 3rd |
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| 7/11/2020 | Gillette Thunder Speedway - Gillette, WY WISSOTA Midwest Mod Border Clash IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model | Results | | Duane Manning (WISSOTA Midwest Mods) | 2nd | - | - | 6th |
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| 7/18/2020 | Gillette Thunder Speedway - Gillette, WY IMCA Modified .38 Special IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | Duane Manning (WISSOTA Midwest Mods) | 7th (DNF) | - | - | 10th |
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| 7/25/2020 | Gillette Thunder Speedway - Gillette, WY WISSOTA Late Model Special IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model | Results | | Duane Manning (WISSOTA Midwest Mods) | 1st | - | - | 1st |
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| 8/1/2020 | Gillette Thunder Speedway - Gillette, WY 360 Sprints - Winged, Dwarf, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model | Results | | Duane Manning (WISSOTA Midwest Mods) | 4th | - | - | 4th |
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| 8/8/2020 | Gillette Thunder Speedway - Gillette, WY WISSOTA Mod-4 Black Jack Special IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model | Results | | Duane Manning (WISSOTA Midwest Mods) | 6th | - | - | 8th |
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| 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 | | Duane Manning (WISSOTA Midwest Mods) | 3rd | - | - | 10th |
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| 8/15/2020 | Miller Central Speedway - Miller, SD Season Championship! Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Duane Manning (WISSOTA Midwest Mods) | 2nd | - | - | 7th |
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| 8/22/2020 | Gillette Thunder Speedway - Gillette, WY Points Championship & WISSOTA R.O.C Night IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model | Results | | Duane Manning (WISSOTA Midwest Mods) | 1st | - | - | 2nd |
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| 8/23/2020 | Sheridan Speedway - Sheridan, WY Sheridan Community Federal Credit Union present Weekly Races Dirt Mini Trucks, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Duane Manning (IMCA Modified) | 4th | - | - | 6th |
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| 9/4/2020 | Gillette Thunder Speedway - Gillette, WY 20th Annual East/West Clash Night 1 IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Duane Manning (WISSOTA Midwest Mods) | 1st | - | - | 7th |
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| 9/5/2020 | Gillette Thunder Speedway - Gillette, WY 20th Annual East/West Clash Night 2 IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Duane Manning (WISSOTA Midwest Mods) | 2nd | - | - | 3rd |
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| 9/6/2020 | Gillette Thunder Speedway - Gillette, WY 20th Annual East/West Clash Championship Night IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Duane Manning (WISSOTA Midwest Mods) | 2nd | - | - | 10th |
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| 9/19/2020 | Sheridan Speedway - Sheridan, WY I 90 Challenge sponsored by First Northern Bank of Wyoming & Rocky Mountain Ambulance LLC Quarter Midgets, Dirt Mini Trucks, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Duane Manning (WISSOTA Midwest Mods) | 3rd | - | - | 22nd (DNF) |
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