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| 5/9/2020 | Lucas Oil Speedway - Wheatland, MO Open Test & Tune Street Stocks, Dirt Late Models, Pure Stock, USRA B-Mods, USRA Modifieds | Results | | Rex Harris (USRA B-Mods) | - | - | - | - |
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| 5/16/2020 | Lucas Oil Speedway - Wheatland, MO Ozarks Coca-Cola/Dr. Pepper Night at the Races Presented by OzarksFIRST.com Dirt Late Models: United Late Model Association Street Stocks, USRA B-Mods, USRA Modifieds | Postponed |
| 5/17/2020 | Lucas Oil Speedway - Wheatland, MO Ozarks Coca-Cola/Dr. Pepper Night at the Races Presented by OzarksFIRST.com Street Stocks, Dirt Late Models, USRA B-Mods, USRA Modifieds | Results | | Rex Harris (USRA B-Mods) | 7th | - | - | 26th (DNF) |
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| 5/22/2020 | Dallas County Speedway (MO) - Urbana, MO Pitts Homes and Realty Bullring Cup Championship Series Race 2 Midwest Modifieds, Pony Stock, Pure Stock, USRA B-Mods, USRA Stock Cars | Results | | Rex Harris (USRA B-Mods) | 5th | - | 1st | 12th |
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| 5/23/2020 | Lake Ozark Speedway - Eldon, MO 2nd Annual Jason Russell Memorial Street Stocks, Dirt Late Models, Pure Stock, USRA B-Mods | Results | | Rex Harris (USRA B-Mods) | 2nd | - | - | 3rd |
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| 5/30/2020 | Lucas Oil Speedway - Wheatland, MO Weekly Championship Series Presented by Benne Media Dirt Late Models: United Late Model Association Street Stocks, USRA B-Mods, USRA Modifieds | Results | | Rex Harris (USRA B-Mods) | 6th | - | 3rd | 12th |
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| 6/5/2020 | Dallas County Speedway (MO) - Urbana, MO Pitts Homes and Realty Bullring Cup Championship Series Race 4 Midwest Modifieds, Pony Stock, Pure Stock, USRA B-Mods, USRA Stock Cars | Results | | Rex Harris (USRA B-Mods) | 3rd | - | - | 15th |
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| 6/6/2020 | Lake Ozark Speedway - Eldon, MO Weekly Show No. 9 Sponsored by The Lodge at Port Arrowhead 360 Sprints - Winged, Street Stocks, Pure Stock, USRA B-Mods | Results | | Rex Harris (USRA B-Mods) | 2nd | - | - | 2nd |
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| 6/20/2020 | Lake Ozark Speedway - Eldon, MO Weekly Show No. 11 Sponsored by Fischer Body Shop 360 Sprints - Winged, Street Stocks, Lightning Sprints, Pure Stock, USRA B-Mods | Results | | Rex Harris (USRA B-Mods) | 1st | - | - | 2nd |
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| 6/26/2020 | Dallas County Speedway (MO) - Urbana, MO DirtTrack Bank Cash Money SuperDirt Series Midwest Modifieds, Pure Stock, USRA B-Mods | Results | | Rex Harris (USRA B-Mods) | 2nd | - | - | 18th |
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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 | | Rex Harris (USRA B-Mods) | 6th | - | 5th | - |
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| 7/2/2020 | Lucas Oil Speedway - Wheatland, MO Casey's General Stores Thursday Night Thunder Kids Night at the Races plus Fireworks Street Stocks, Dirt Late Models, USRA B-Mods, USRA Modifieds | Results | | Rex Harris (USRA B-Mods) | 7th | - | 5th | - |
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| 7/3/2020 | Midway Speedway - Lebanon, MO | Results | | Rex Harris (USRA B-Mods) | - | - | - | 7th |
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| 7/10/2020 | Dallas County Speedway (MO) - Urbana, MO Pitts Homes and Realty Bullring Cup Mid Season Championship Midwest Modifieds, Pony Stock, Pure Stock, USRA B-Mods, USRA Stock Cars | Results | | Rex Harris (USRA B-Mods) | 4th | - | - | 4th |
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| 7/11/2020 | Lucas Oil Speedway - Wheatland, MO Veterans & Military Appreciation Night Presented by KOZL 27 Dirt Late Models: United Late Model Association Street Stocks, USRA B-Mods, USRA Modifieds, Mod Lites | Results | | Rex Harris (USRA B-Mods) | 7th | - | 2nd | 11th |
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| 7/18/2020 | Lake Ozark Speedway - Eldon, MO The Stuart House Night at LOS 360 Sprints - Winged, Street Stocks, Lightning Sprints, Pure Stock, USRA B-Mods | Results | | Rex Harris (USRA B-Mods) | 5th | - | - | 5th |
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| 7/24/2020 | Lake Ozark Speedway - Eldon, MO UMP Summer Nationals HELL Tour DIRTcar Late Models, Pure Stock, USRA B-Mods | Results | | Rex Harris (USRA B-Mods) | 7th | - | - | 3rd |
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| 8/1/2020 | Lake Ozark Speedway - Eldon, MO $25 Carload Special Night at LOS 360 Sprints - Winged, Street Stocks, Pure Stock, USRA B-Mods | Results | | Rex Harris (USRA B-Mods) | 2nd | - | 2nd | 2nd |
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| 8/15/2020 | Lucas Oil Speedway - Wheatland, MO NMI Night at the Races Presented by Wild Animal Safari Street Stocks, Dirt Late Models, Pure Stock, USRA B-Mods, USRA Modifieds | Results | | Rex Harris (USRA B-Mods) | 4th | - | - | 21st (DNF) |
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| 8/20/2020 | Dallas County Speedway (MO) - Urbana, MO A Modifieds: USMTS - United States Modified Touring Series USRA B-Mods, USRA Modifieds, USRA Stock Cars, IMCA Modified | Results | | Rex Harris (USRA B-Mods) | 2nd | - | - | 17th |
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| 8/22/2020 | Lake Ozark Speedway - Eldon, MO Vaughan Pools and Spas Night at LOS 360 Sprints - Winged, Street Stocks, Pure Stock, USRA B-Mods | Results | | Rex Harris (USRA B-Mods) | 2nd | - | - | 2nd |
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| 9/5/2020 | Lucas Oil Speedway - Wheatland, MO Ron Jenkins Memorial Dirt Super Late Models: Lucas Oil MLRA Street Stocks, USRA B-Mods | Results | | Rex Harris (USRA B-Mods) | 8th | - | 6th | DNS |
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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 | | Rex Harris (USRA B-Mods) | 3rd | - | - | 5th |
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| 9/25/2020 | Central Missouri Speedway - Warrensburg, MO Big Bad B-Mod Blowout Night 1 Hobby Stocks, B Modifieds, Street Stocks, Mod Lites | Results | | Rex Harris (B Modifieds) | 3rd | - | 7th | - |
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| 9/26/2020 | Central Missouri Speedway - Warrensburg, MO Big Bad B-Mod Blowout Night 2 A Modifieds, B Modifieds, Street Stocks, Mod Lites | Results | | Rex Harris (B Modifieds) | - | - | 6th | 16th |
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