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| 3/7/2020 | Springfield Raceway - Springfield, MO Season Opener Non-Winged Sprints: POWRi WAR Sprints Midwest Modifieds, Pro Legends, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Midwest Modifieds) | 5th | - | 3rd | 14th |
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| 5/30/2020 | Springfield Raceway - Springfield, MO A Modifieds, Midwest Modifieds, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 1st | - | - | 20th |
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| 6/6/2020 | Springfield Raceway - Springfield, MO A Modifieds, Midwest Modifieds, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 2nd | - | - | 2nd |
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| 6/13/2020 | Springfield Raceway - Springfield, MO A Modifieds, Midwest Modifieds, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 1st | - | - | 1st |
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| 6/20/2020 | Springfield Raceway - Springfield, MO Cash Money Late Models A Modifieds, Midwest Modifieds, Dirt Late Models, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 2nd | - | - | 2nd |
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| 6/24/2020 | Lucas Oil Speedway - Wheatland, MO MLRA Mid-Week Mayhem, plus Midwest Mods Dirt Super Late Models: Lucas Oil MLRA Midwest Modifieds, Pro Late Model | Results | | Riley Duncan (Midwest Modifieds) | 4th | - | 2nd | 24th (DNF) |
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| 6/27/2020 | Springfield Raceway - Springfield, MO A Modifieds, Midwest Modifieds, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 1st | - | - | 2nd |
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| 7/11/2020 | Springfield Raceway - Springfield, MO A Modifieds, Midwest Modifieds, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 5th | - | - | 11th |
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| 7/18/2020 | Springfield Raceway - Springfield, MO Cash Money Late models A Modifieds, Midwest Modifieds, Dirt Late Models, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 1st | - | - | 3rd |
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| 7/25/2020 | Springfield Raceway - Springfield, MO A Modifieds, Midwest Modifieds, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 1st | - | - | 1st |
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| 8/1/2020 | Springfield Raceway - Springfield, MO Stock Cars, A Modifieds, Midwest Modifieds, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 6th (DNF) | - | - | 3rd |
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| 8/8/2020 | Springfield Raceway - Springfield, MO WEEKLY RACING A Modifieds, Midwest Modifieds, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 4th | - | - | 5th |
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| 8/15/2020 | Springfield Raceway - Springfield, MO Cash Money late models A Modifieds, Midwest Modifieds, Dirt Late Models, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 8th | - | 1st | 4th |
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| 8/22/2020 | Springfield Raceway - Springfield, MO A Modifieds, Midwest Modifieds, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 1st | - | - | 2nd |
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| 9/6/2020 | Springfield Raceway - Springfield, MO KTTS OZARKS AREA DIRT TRACK CHAMPIONSHIPS A Modifieds, Midwest Modifieds, Dirt Late Models, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 3rd | - | - | 17th |
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| 9/9/2020 | Cowan Civic Center - Lebanon, MO FACTORY 56 NATIONALS PRACTICE NIGHT USRA B-Mods: Factory 56 Series Midwest Modifieds, Street Stocks | Results | | Riley Duncan (Midwest Modifieds) | - | - | - | - |
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| 9/10/2020 | Midway Raceway - Lebanon, MO USRA B-Mods: Factory 56 Series Midwest Modifieds, Street Stocks, Hornets, Pure Stock | Results | | Riley Duncan (Midwest Modifieds) | 6th | - | - | - |
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| 9/11/2020 | Cowan Civic Center - Lebanon, MO FACTORY 56 NATIONALS QUALIFYING NIGHT USRA B-Mods: Factory 56 Series Midwest Modifieds, Street Stocks, Junior Honda | Results | | Riley Duncan (Midwest Modifieds) | - | - | - | - |
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| 9/11/2020 | Midway Raceway - Lebanon, MO USRA B-Mods: Factory 56 Series Midwest Modifieds, Street Stocks, Hornets, Pure Stock | Results | | Riley Duncan (Midwest Modifieds) | 2nd | - | - | - |
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| 9/12/2020 | Cowan Civic Center - Lebanon, MO FACTORY 56 NATIONALS CHAMPIONSHIP NIGHT USRA B-Mods: Factory 56 Series Midwest Modifieds, Street Stocks, Junior Honda | Results | | Riley Duncan (Midwest Modifieds) | - | - | - | - |
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| 9/12/2020 | Midway Raceway - Lebanon, MO USRA B-Mods: Factory 56 Series Midwest Modifieds, Street Stocks, Hornets, Pure Stock | Results | | Riley Duncan (Midwest Modifieds) | - | - | - | 6th |
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| 9/19/2020 | Springfield Raceway - Springfield, MO ROUTE 66 SHOWDOWN Stock Cars, A Modifieds, Midwest Modifieds, Dirt Late Models, Limited Sport Mod, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 1st | - | - | 4th |
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| 9/20/2020 | Springfield Raceway - Springfield, MO ROUTE 66 SHOWDOWN (66 LAPS) Midwest Modifieds, Dirt Late Models, Pro Legends, Pure Stock, USRA B-Mods | Results | | Riley Duncan (Midwest Modifieds) | 4th | - | - | 5th |
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| 10/2/2020 | Humboldt Speedway - Humboldt, KS American Racer 50 Cash Money Late Models Dirt Super Late Models, Factory Stocks, Stock Cars, Midwest Modifieds, Sport Compact, USRA B-Mods | Results | | Riley Duncan (Midwest Modifieds) | 1st | - | - | 2nd |
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| 11/1/2020 | Humboldt Speedway - Humboldt, KS USRA Halloween Hangover Dirt Super Late Models, Midwest Modifieds, B Modifieds, USRA B-Mods, USRA Modifieds, USRA Tuners, IMCA Modified | Results | | Riley Duncan (Midwest Modifieds) | DNS | - | - | DNS |
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| 11/27/2020 | Springfield Raceway - Springfield, MO QUALIFYING FOR TURKEY BOWL / TEST N TUNE A Modifieds, Midwest Modifieds, Dirt Late Models, Pro Legends, Limited Sport Mod, Pure Stock, USRA B-Mods, Dirt Mini Late Models | Results | | Riley Duncan (Limited Sport Mod) | 4th | - | 1st | 4th |
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