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| 4/16/2021 | Winston Speedway - Rothbury, MI Opening Night Full Show Plus Glamour Car Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Robbie Sternberg (IMCA Modified) | 6th | - | - | 9th |
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| 4/17/2021 | Thunderbird Raceway - Muskegon, MI Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Robbie Sternberg (A Modifieds) | 8th | - | DNS | - |
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| 4/23/2021 | Winston Speedway - Rothbury, MI Full Show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Robbie Sternberg (IMCA Modified) | 2nd | - | - | 10th |
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| 5/7/2021 | Winston Speedway - Rothbury, MI Fan Appreciation Night $5.00 Grandstands (General Admission) Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Robbie Sternberg (Street Stocks) | 2nd | - | - | 2nd |
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| 5/8/2021 | Thunderbird Raceway - Muskegon, MI Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Robbie Sternberg (A Modifieds) | 7th | - | 2nd | 20th |
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| 5/14/2021 | Winston Speedway - Rothbury, MI IMCA Fast Shaft $1000.00 to win and Full Show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Robbie Sternberg (IMCA Modified) | 3rd | - | - | 18th |
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| 5/15/2021 | Thunderbird Raceway - Muskegon, MI IMCA Modifieds $1000 to win presented by Deb's Cafe & Full Show Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Robbie Sternberg (A Modifieds) | - | - | - | - |
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| 5/22/2021 | Thunderbird Raceway - Muskegon, MI Allstar Performance Street Stock Challenge $750 to win & Full Show Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Robbie Sternberg (Factory Stocks) | 1st | - | - | 6th |
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| 6/11/2021 | Winston Speedway - Rothbury, MI Cyber Stocks $500 to WIN and Full Show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Robbie Sternberg (IMCA Modified) | 3rd | - | - | 6th |
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| 6/12/2021 | Thunderbird Raceway - Muskegon, MI IMCA Modified Summer Series $1000 to win Presented by JJ Motorsports plus full show Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Robbie Sternberg (A Modifieds) | 1st | - | - | 7th |
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| 6/23/2021 | Thunderbird Raceway - Muskegon, MI Eastern IMCA Allstars IMCA Modified: Eastern IMCA Allstars A Modifieds, Sport Compact, IMCA Stock Car, DIRTcar Pro Stock | Results | | Robbie Sternberg (A Modifieds) | 5th | - | 4th | 18th |
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| 7/2/2021 | Winston Speedway - Rothbury, MI James Traxler Memorial $2100 to WIN for Street Stocks Full Show with Fireworks Asphalt Mini Stocks, Stock Cars, Sportsmans, B Modifieds, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Robbie Sternberg (Street Stocks) | 2nd | - | - | 1st |
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| 7/10/2021 | Thunderbird Raceway - Muskegon, MI $500 to win Warriors Presented by NIX's Trucking-$1000 to Win IMCA Modified Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Robbie Sternberg (A Modifieds) | 2nd | - | - | 8th |
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| 7/15/2021 | Thunderbird Raceway - Muskegon, MI DIRTcar Summer National Hell Tour Returns along with Summit Modified Nationals DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals Sport Compact | Results | | Robbie Sternberg (DIRTcar UMP Modifieds) | 8th | - | 8th | - |
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| 7/24/2021 | Thunderbird Raceway - Muskegon, MI Street Stock Mid Summer Shootout, $500 to win Cyber Stocks, Michigan Automotive Fan Club Night Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Robbie Sternberg (Factory Stocks) | 4th | - | - | 2nd |
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| 7/30/2021 | Winston Speedway - Rothbury, MI Full Show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, 410 Sprints - Non-Winged, Hornets, Mini Wedge, IMCA Modified | Results | | Robbie Sternberg (IMCA Modified) | 6th (DNF) | - | - | 8th |
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| 7/31/2021 | Thunderbird Raceway - Muskegon, MI Junkyard 100 Enduro JJ Motorsports IMCA Mod Summer Series Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Enduro, Pro Late Model, Mini Wedge, Mini Outlaws | Results | | Robbie Sternberg (A Modifieds) | 4th | - | - | 13th |
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| 8/13/2021 | Tri City Motor Speedway - Auburn, MI FAN APPRECIATION NIGHT DIRTcar Late Models, Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Robbie Sternberg (Factory Stocks) | 1st | - | - | 2nd |
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| 8/14/2021 | Merritt Speedway - Merritt, MI FAN APPRECIATION NIGHT & AUTOGRAPH NIGHT DIRTcar Late Models, Factory Stocks, Hobby Stocks, Sportsmans, B Modifieds, Mini Wedge, Mini Outlaws | Results | | Robbie Sternberg (Factory Stocks) | 4th | - | - | 2nd |
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| 8/21/2021 | Thunderbird Raceway - Muskegon, MI IMCA Modified Summer Series $1000 to win-Warriors $300 to win Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Robbie Sternberg (A Modifieds) | 5th | - | - | 7th |
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| 8/28/2021 | Thunderbird Raceway - Muskegon, MI Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Robbie Sternberg (Factory Stocks) | 8th (DNF) | - | 3rd | 7th |
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| 9/3/2021 | Winston Speedway - Rothbury, MI Season Championship DIRTcar Late Models, Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, 410 Sprints - Non-Winged, Hornets, Lightning Sprints, Mini Wedge, IMCA Modified | Results | | Robbie Sternberg (IMCA Modified) | 4th | - | - | DNS |
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| 9/10/2021 | Thunderbird Raceway - Muskegon, MI Rolling Thunder Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Enduro, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Robbie Sternberg (A Modifieds) | 5th | - | - | 8th |
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| 9/18/2021 | Crystal Motor Speedway - Crystal, MI Great Lakes Nationals 410 Sprints - Non-Winged: Great Lakes Traditional Sprints Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Junior 1 Lites Dirt Karts, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Robbie Sternberg (Street Stocks) | 1st | - | - | 1st |
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