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| 4/2/2021 | Pike County Speedway - Magnolia, MS PRACTICE Dirt Super Late Models, DIRTcar UMP Modifieds, Street Stocks, Limited Modified, Pure Stock, Dirt Crate Late Models | Results | | Richard Mackenzie (Limited Modified) | - | - | - | - |
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| 4/3/2021 | Pike County Speedway - Magnolia, MS MSCCS LATE MODEL + WEEKLY RACING Dirt Super Late Models, DIRTcar UMP Modifieds, Street Stocks, Dirt Cage Kart Junior 1, Dirt Cage Kart Junior 2, Limited Modified, Limited Sport Mod, Pure Stock, Dirt Crate Late Models | Results | | Richard Mackenzie (Street Stocks) | - | - | - | 15th | | Richard Mackenzie (Limited Modified) | - | - | - | - |
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| 4/10/2021 | Baton Rouge Raceway - Baton Rouge, LA Asphalt Mini Stocks, Hobby Stocks, B Modifieds, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, Limited Modified, Limited Sport Mod, Sport Compact | Results | | Richard Mackenzie (Street Stocks) | 6th | - | - | 8th (DNF) |
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| 5/1/2021 | Pike County Speedway - Magnolia, MS Weekly Racing With Sprint Cars DIRTcar UMP Modifieds, Dirt Cage Kart Junior 1, Dirt Cage Kart Junior 2, 470 Sprints - Winged, CRUSA Street Stocks, Limited Modified, Limited Sport Mod, Pure Stock, Dirt Crate Late Models | Results | | Richard Mackenzie (CRUSA Street Stocks) | - | - | - | - |
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| 5/8/2021 | Pike County Speedway - Magnolia, MS Power Wheel Night / Weekly Racing DIRTcar UMP Modifieds, Stock Cars, Hornets, CRUSA Street Stocks, CRUSA Dirt Late Models, Limited Modified, Limited Sport Mod, Pure Stock, Dirt Crate Late Models | Results | | Richard Mackenzie (CRUSA Street Stocks) | - | - | - | - |
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| 5/29/2021 | Pike County Speedway - Magnolia, MS I-55 Street Stock Shootout DIRTcar UMP Modifieds, Dirt Cage Kart Junior 1, Dirt Cage Kart Junior 2, CRUSA Street Stocks, CRUSA Dirt Late Models, Limited Modified, Pure Stock | Results | | Richard Mackenzie (CRUSA Street Stocks) | - | - | - | - |
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| 5/30/2021 | Pike County Speedway - Magnolia, MS I-55 Street Stock Shootout Dirt Cage Kart Junior 1, Dirt Cage Kart Junior 2, Hornets, CRUSA Street Stocks, CRUSA Dirt Late Models, Limited Sport Mod | Results | | Richard Mackenzie (CRUSA Street Stocks) | - | - | - | - |
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| 6/12/2021 | Baton Rouge Raceway - Baton Rouge, LA Championship Points Night Asphalt Mini Stocks, Hobby Stocks, B Modifieds, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, Limited Modified, Limited Sport Mod, Sport Compact | Results | | Richard Mackenzie (Street Stocks) | 3rd | - | - | 3rd |
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| 6/12/2021 | Pike County Speedway - Magnolia, MS Weekly Racing / Kids Bike Racing DIRTcar UMP Modifieds, Dirt Cage Kart Junior 1, Dirt Cage Kart Junior 2, Hornets, CRUSA Street Stocks, CRUSA Dirt Late Models, Limited Modified, Limited Sport Mod, Pure Stock | Results | | Richard Mackenzie (CRUSA Street Stocks) | 6th | - | - | - |
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| 6/26/2021 | Pike County Speedway - Magnolia, MS Weekly Racing / POWDER PUFF DIRTcar UMP Modifieds, Stock Cars, Dirt Cage Kart Junior 1, Dirt Cage Kart Junior 2, Hornets, CRUSA Street Stocks, Limited Modified, Limited Sport Mod, Pure Stock, Dirt Crate Late Models | Results | | Richard Mackenzie (CRUSA Street Stocks) | - | - | - | - |
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| 10/8/2021 | Baton Rouge Raceway - Baton Rouge, LA HASS - Hurricane Area Super Sprints 305 Sprints - Winged, Hobby Stocks, B Modifieds, Street Stocks, Dirt Late Models, Hornets, Asphalt Sport Mods, Mini Wedge, Limited Modified, Sport Compact | Results | | Richard Mackenzie (Street Stocks) | 2nd | - | - | 2nd |
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| 10/9/2021 | Thunder Valley Speedway (LA) - Glenmora, LA Weekly Racing Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets, CRUSA Dirt Late Models, Limited Sport Mod | Results | | Richard Mackenzie (Street Stocks) | 6th (DNF) | - | - | 4th |
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| 10/23/2021 | Baton Rouge Raceway - Baton Rouge, LA 2021 Louisiana State Championships presented by O'reilly Auto Parts Hobby Stocks, B Modifieds, Street Stocks, Dirt Late Models, Hornets, Asphalt Sport Mods, Mini Wedge, Limited Modified, Sport Compact | Results | | Richard Mackenzie (Street Stocks) | 2nd | - | - | 4th |
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| 10/28/2021 | Pike County Speedway - Magnolia, MS JAMBALAYA 100 Dirt Super Late Models, DIRTcar UMP Modifieds, Dirt Cage Kart Junior 1, Dirt Cage Kart Junior 2, Hornets, CRUSA Street Stocks, Limited Modified, Limited Sport Mod, Pure Stock, Dirt Crate Late Models | Results | | Richard Mackenzie (CRUSA Street Stocks) | - | - | - | - |
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| 10/29/2021 | Pike County Speedway - Magnolia, MS JAMBALAYA 100 Dirt Super Late Models, DIRTcar UMP Modifieds, Street Stocks, Dirt Cage Kart Junior 1, Dirt Cage Kart Junior 2, Hornets, CRUSA Street Stocks, Limited Modified, Limited Sport Mod, Pure Stock, Dirt Crate Late Models | Results | | Richard Mackenzie (CRUSA Street Stocks) | - | - | - | - |
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| 10/30/2021 | Pike County Speedway - Magnolia, MS JAMBALAYA 100 Dirt Super Late Models, DIRTcar UMP Modifieds, Street Stocks, Dirt Cage Kart Junior 1, Dirt Cage Kart Junior 2, Hornets, CRUSA Street Stocks, Limited Modified, Pure Stock, Dirt Crate Late Models | Results | | Richard Mackenzie (CRUSA Street Stocks) | - | - | - | - |
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