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| 5/8/2020 | Red Dirt Raceway - Meeker, OK Pure Stock Fight Night - Chapter IV Stock Non-Wing, B Modifieds, Vintage Modifieds, Dwarf, Hornets, Sportsman Micros, Pure Stock, USRA Modifieds | Results | | Mark Mullins (Pure Stock) | 4th | - | - | 17th (DNF) |
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| 5/30/2020 | Oklahoma Sports Park - Ada, OK Season Opener B Modifieds, Street Stocks, Asphalt Sport Mods, Limited Sport Mod, Pure Stock | Results | | Mark Mullins (Street Stocks) | 2nd | - | - | 1st |
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| 6/6/2020 | Oklahoma Sports Park - Ada, OK Non-Winged Sprints: United Sprint League B Modifieds, Street Stocks, Asphalt Sport Mods, Limited Sport Mod, Pure Stock | Results | | Mark Mullins (Street Stocks) | 2nd | - | - | 2nd |
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| 6/20/2020 | Oklahoma Sports Park - Ada, OK A Modifieds: TOMS - Touring Outlaw Modified Series B Modifieds, Street Stocks, Asphalt Sport Mods, Limited Sport Mod, Pure Stock | Results | | Mark Mullins (Street Stocks) | 2nd | - | - | 2nd |
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| 7/18/2020 | Oklahoma Sports Park - Ada, OK Fan Appreciation B Modifieds, Street Stocks, Asphalt Sport Mods, Limited Sport Mod, Pure Stock | Results | | Mark Mullins (Street Stocks) | 2nd | - | - | 7th (DNF) |
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| 7/25/2020 | Oklahoma Sports Park - Ada, OK Sooner Late Model Series + Regular Racing Program Dirt Super Late Models, B Modifieds, Street Stocks, Asphalt Sport Mods, Limited Sport Mod, Pure Stock | Results | | Mark Mullins (Street Stocks) | 3rd | - | - | 2nd |
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| 8/15/2020 | Oklahoma Sports Park - Ada, OK Racing All Classes B Modifieds, Street Stocks, Asphalt Sport Mods, Limited Sport Mod, Pure Stock | Results | | Mark Mullins (Street Stocks) | 1st | - | - | 6th (DNF) |
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| 8/29/2020 | Oklahoma Sports Park - Ada, OK Sooner Late Model Series + Regular Racing Program Dirt Super Late Models, B Modifieds, Street Stocks, Asphalt Sport Mods, Limited Sport Mod, Pure Stock | Results | | Mark Mullins (B Modifieds) | - | - | - | - | | Mark Mullins (Street Stocks) | 1st | - | - | 1st | | Mark Mullins (Asphalt Sport Mods) | 2nd | - | - | 1st |
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| 10/1/2020 | Lucas Oil Speedway - Wheatland, MO 7th Annual Big Buck 50 Presented by Whitetail Trophy Hunt-Day #1 Street Stocks, Dirt Late Models | Results | | Mark Mullins (Street Stocks) | - | - | - | - |
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| 10/2/2020 | Lucas Oil Speedway - Wheatland, MO 7th Annual Big Buck 50 Presented by Whitetail Trophy Hunt-Day #2 Dirt Late Models: United Late Model Association Street Stocks | Results | | Mark Mullins (Street Stocks) | 5th | - | - | - |
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| 10/3/2020 | Lucas Oil Speedway - Wheatland, MO 7th Annual Big Buck 50 Presented by Whitetail Trophy Hunt-Day #3 Dirt Late Models: United Late Model Association Street Stocks | Results | | Mark Mullins (Street Stocks) | - | - | - | - |
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| 10/17/2020 | Oklahoma Sports Park - Ada, OK OSP Fall Nationals B Modifieds, Street Stocks, Asphalt Sport Mods, Limited Sport Mod, Pure Stock | Results | | Mark Mullins (Street Stocks) | 1st | - | - | 1st |
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| 10/23/2020 | Tri-State Speedway - Pocola, OK 41st Annual Spooker Honoring Cecil Harlan - Day 3 Stock Cars, Economy Late Models, Super Stocks, Pure Stock, USRA B-Mods, USRA Modifieds | Results | | Mark Mullins (Super Stocks) | 7th | - | - | - |
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| 10/24/2020 | Tri-State Speedway - Pocola, OK 41st Annual Spooker Honoring Cecil Harlan - Day 4 Dirt Late Models, Enduro, Super Stocks, Pure Stock, USRA B-Mods, USRA Modifieds | Results | | Mark Mullins (Super Stocks) | - | - | 12th | - |
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