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| 4/2/2021 | Winston Speedway - Rothbury, MI Player Hater Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Billy Frey (IMCA Modified) | 6th | - | - | 13th |
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| 4/3/2021 | Winston Speedway - Rothbury, MI Player Hater Asphalt Mini Stocks, Stock Cars, Sportsmans, B Modifieds, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Billy Frey (B Modifieds) | - | - | - | - |
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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 | | Billy Frey (IMCA Modified) | 3rd | - | - | 8th |
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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 | | Billy Frey (IMCA Modified) | 6th | - | - | 13th |
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| 4/30/2021 | Winston Speedway - Rothbury, MI Full Show DIRTcar Sport Compact, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Billy Frey (IMCA Modified) | 4th | - | - | 8th |
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| 5/1/2021 | Thunderbird Raceway - Muskegon, MI Full Show Plus $400 to win Cyber Stocks Presented by RC Machine Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Billy Frey (A Modifieds) | 6th | - | - | 16th |
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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 | | Billy Frey (A Modifieds) | 4th | - | - | 22nd |
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| 5/12/2021 | Crystal Motor Speedway - Crystal, MI Eastern IMCA Allstars - IMCA Modifieds, IMCA Stock Cars, and Cyber Stock Hobby Stocks, A Modifieds, Sport Compact, IMCA Stock Car | Results | | Billy Frey (A Modifieds) | 9th | - | 6th | - |
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| 5/15/2021 | Crystal Motor Speedway - Crystal, MI Relay for Life Fundraiser and Veterans Day - Free admission with ID Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Junior 1 Lites Dirt Karts, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Billy Frey (A Modifieds) | 6th | - | 6th | 20th |
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| 5/22/2021 | Crystal Motor Speedway - Crystal, MI Full Show Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Junior 1 Lites Dirt Karts, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Billy Frey (A Modifieds) | 3rd | - | - | 4th |
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| 5/29/2021 | Crystal Motor Speedway - Crystal, MI 360 Sprints - Winged: GLSS-Great Lakes Super Sprints Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Dirt Pro Trucks, Mini Outlaws, Sport Compact | Results | | Billy Frey (A Modifieds) | 3rd | - | - | 12th |
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| 5/30/2021 | Crystal Motor Speedway - Crystal, MI 410 Sprints - Non-Winged: Great Lakes Traditional Sprints Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Dirt Pro Trucks, Sport Compact | Results | | Billy Frey (A Modifieds) | 4th | - | - | 8th |
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| 6/5/2021 | Crystal Motor Speedway - Crystal, MI IMCA Challenge - $1252 to Win Sponsored by Lane Automotive-Allstar Performance Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Junior 1 Lites Dirt Karts, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Billy Frey (A Modifieds) | 3rd | - | - | 9th |
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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 | | Billy Frey (A Modifieds) | 8th | - | 6th | - |
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| 6/19/2021 | Crystal Motor Speedway - Crystal, MI Full Show - Sponsored by Carson City Lumber Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Dirt Pro Trucks, Sport Compact | Results | | Billy Frey (A Modifieds) | 7th | - | 2nd | 16th |
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| 7/3/2021 | Crystal Motor Speedway - Crystal, MI 360 Sprints - Winged: GLSS-Great Lakes Super Sprints Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Junior 1 Lites Dirt Karts, Mini Wedge, Sport Compact | Results | | Billy Frey (A Modifieds) | 5th (DNF) | - | - | 13th |
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| 7/10/2021 | Crystal Motor Speedway - Crystal, MI S.O.D. Sprints - NO PRO STOCKS Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Dirt Pro Trucks, Sport Compact | Results | | Billy Frey (A Modifieds) | 8th | - | - | 13th |
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| 7/17/2021 | Crystal Motor Speedway - Crystal, MI YES 2 KIDS - Autographs from 6:00-7:00 p.m. Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Junior 1 Lites Dirt Karts, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Billy Frey (A Modifieds) | 9th (DNF) | - | - | 21st (DNF) |
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| 7/31/2021 | Crystal Motor Speedway - Crystal, MI Lightning Sprints: Great Lakes Lightning Sprints Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Junior 1 Lites Dirt Karts, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Billy Frey (A Modifieds) | 2nd | - | - | 17th |
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| 8/7/2021 | Crystal Motor Speedway - Crystal, MI Full Show - Sponsored by H & H EXCAVATING Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Junior 1 Lites Dirt Karts, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Billy Frey (A Modifieds) | 1st | - | - | 7th |
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| 8/14/2021 | Crystal Motor Speedway - Crystal, MI G.L.O.W. Vintage Modifieds - Sponsored by Engine Pro Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Junior 1 Lites Dirt Karts, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Billy Frey (A Modifieds) | 8th | - | - | DNS |
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| 8/21/2021 | Crystal Motor Speedway - Crystal, MI Full Show Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Junior 1 Lites Dirt Karts, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Billy Frey (A Modifieds) | 8th | - | - | 17th |
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| 9/4/2021 | Crystal Motor Speedway - Crystal, MI 410 Sprints - Non-Winged: Great Lakes Traditional Sprints Lightning Sprints: Great Lakes Lightning Sprints Hobby Stocks, A Modifieds, Street Stocks, Junior 1 Lites Dirt Karts, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Billy Frey (A Modifieds) | 5th | - | - | 4th |
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| 9/5/2021 | Thunderbird Raceway - Muskegon, MI Midwest Dirt Series - Enduro Stock Cars, Hornets, Enduro, Mini Wedge, Mini Outlaws | Results | | Billy Frey (Enduro) | - | - | - | 25th |
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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 | | Billy Frey (A Modifieds) | 4th | - | - | 7th |
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