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| 4/10/2021 | Diamond Park Speedway - Murfreesboro, AR $1K ModLite Challenge Series plus Regular Points Night Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 3rd | - | - | 6th |
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| 4/17/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 4th | - | - | 10th |
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| 5/8/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night with Double Points Factory Stocks, Dirt Late Models, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 3rd | - | - | 9th |
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| 5/15/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night with $1K to Win Pure Stock Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 5th | - | - | 7th |
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| 5/22/2021 | Greenville Speedway - Greenville, MS Comp Cams with Modlites Factory Stocks, Hobby Stocks, Stock Cars, Dirt Late Models, 600cc Modifieds, CRUSA Street Stocks, CRUSA Dirt Late Models | Results | | Robert Caleb McCollett (600cc Modifieds) | 3rd | - | - | 8th |
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| 5/29/2021 | Diamond Park Speedway - Murfreesboro, AR Memorial Weekend Spectacular Race Night with Modlites $1K to Win $100 to Start Factory Stocks, Sportsmans, Young Guns, Hornets, Limited Sport Mod, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 6th (DNF) | - | 11th (DNF) | - |
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| 6/12/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night plus Kids Power Wheels Demo Derby Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 3rd | - | - | 10th |
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| 6/19/2021 | Old No 1 Speedway - Harrisburg, AR ALL CLASSES + MOD LITES Modified Midgets, Hobby Stocks, Stock Cars, A Modifieds, Street Stocks, Hornets | Results | | Robert Caleb McCollett (Modified Midgets) | - | - | - | 5th |
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| 6/26/2021 | Diamond Park Speedway - Murfreesboro, AR 360 Sprints - Winged: ASCS Mid-South Region Factory Stocks, Sportsmans, Dirt Late Models, Young Guns, Hornets, Pure Stock, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 2nd | - | - | 11th (DNF) |
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| 7/2/2021 | Two Dollar Pistol Motor Speedway - Plumerville, AR July 2 $1,000 to win FS Factory Stocks, B Modifieds, IMCA Modified, Mod Lites | Results | | Robert Caleb McCollett (Mod Lites) | 6th (DNF) | - | - | 11th (DNF) |
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| 7/3/2021 | Diamond Park Speedway - Murfreesboro, AR Tex Myers 8 Ball Classic $888 to Win in Modlites, $1K to win in Pure Stock Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 1st | - | - | 13th |
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| 7/17/2021 | Diamond Park Speedway - Murfreesboro, AR $500 Pure Stock plus Regular Points Night Factory Stocks, Sportsmans, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | DNS | - | - | 3rd |
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| 7/30/2021 | Centerville Super Speedway - Dardanelle, AR Regular Race Night Plus Modlites Factory Stocks, Sportsmans, B Modifieds, Hornets, Crown Vic, DIRTcar Mod Lites | Results | | Robert Caleb McCollett (DIRTcar Mod Lites) | 4th | - | - | 5th |
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| 8/7/2021 | Diamond Park Speedway - Murfreesboro, AR Modlite Challenge Series #3 $1K/$100 plus Diamond 100 Enduro $1000 to WIN!! Factory Stocks, Sportsmans, Young Guns, Hornets, Enduro, Pure Stock, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 4th | - | - | 17th (DNF) |
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| 8/13/2021 | Texarkana 67 Speedway - Texarkana, AR Weekly Race Factory Stocks, Limited Modified, Limited Sport Mod, Dirt 4 cyl Modifieds, IMCA Modified, DIRTcar Mod Lites | Results | | Robert Caleb McCollett (DIRTcar Mod Lites) | 3rd | - | - | 17th (DNF) |
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| 8/21/2021 | Diamond Park Speedway - Murfreesboro, AR Double Points Night in All Classes!! Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 2nd | - | - | 4th |
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| 8/28/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night with Special Guest Kynslie! Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 1st | - | - | 2nd |
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| 9/4/2021 | Boone Speedway - Boone, IA Wild Rose Casino Prelude to the Super Nationals IMCA Modified, IMCA Stock Car, Pro Dwarf, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 7th (DNF) | - | - | 11th |
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| 9/5/2021 | Boone Speedway - Boone, IA Wild Rose Casino Prelude to the Super Nationals IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact, Pro Dwarf, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 3rd | - | - | 3rd |
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| 9/18/2021 | Diamond Park Speedway - Murfreesboro, AR Top Dog Nationals $1K to Win Pure Stock/Arkansas Factory Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | 6th | - | 19th (DNF) | - |
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| 10/9/2021 | Diamond Park Speedway - Murfreesboro, AR $1K to Win in Pure Stock/Arkansas Factory, Regular Racing in All Other Classes & Super Street Stock Factory Stocks, Hobby Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Mod Lite | Results | | Robert Caleb McCollett (IMCA Mod Lite) | DNS | - | - | DNS |
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