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| 5/21/2021 | Tri-City Motor Speedway - Auburn, MI 360 Sprints - Winged: GLSS-Great Lakes Super Sprints Lightning Sprints: Great Lakes Lightning Sprints DIRTcar Late Models, Factory Stocks, Hobby Stocks, Mini Wedge, Mini Outlaws | Results | | Troy Miller (Hobby Stocks) | 7th | - | 7th | - |
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| 5/29/2021 | Merritt Speedway - Merritt, MI MEMORIAL DAY CELEBRATION - DAY 1 DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge, Mini Outlaws | Results | | Troy Miller (Hobby Stocks) | 2nd | - | - | 13th |
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| 6/4/2021 | Tri-City Motor Speedway - Auburn, MI FACTORY STOCK NIGHT - $2000 TO WIN DIRTcar Late Models, Factory Stocks, Hobby Stocks, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Troy Miller (Hobby Stocks) | 5th | - | - | 17th |
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| 6/5/2021 | Merritt Speedway - Merritt, MI FACTORY STOCK NIGHT - $2000 TO WIN DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, B Modifieds, Mini Wedge, Mini Outlaws | Results | | Troy Miller (Hobby Stocks) | 8th | - | 3rd | 20th |
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| 6/11/2021 | Tri-City Motor Speedway - Auburn, MI PRO STOCK NIGHT - $2000 TO WIN DIRTcar Late Models, Sportsmans, Street Stocks, Mini Wedge, Mini Outlaws, IMCA Modified | Rain Out |
| 6/12/2021 | Whittemore Speedway - Whittemore, MI Kids Bike Races Asphalt Economy Trucks, Asphalt Mini Stock, Pro Late Model, Pure Stock | Results | | Troy Miller (Asphalt Mini Stock) | 5th | - | - | - |
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| 6/18/2021 | Tri-City Motor Speedway - Auburn, MI IMCA Mod Fast Shafts $2000 TO WIN & 4-6 CYL $1000 TO WIN Factory Stocks, Hobby Stocks, Sportsmans, Street Stocks, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Troy Miller (Hobby Stocks) | 6th | - | 10th | - | | Troy Miller (Street Stocks) | 6th | - | 10th | - |
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| 6/19/2021 | Whittemore Speedway - Whittemore, MI Classic Car Show Pro Legends, Asphalt Mini Stock, Pro Late Model, Pure Stock | Results | | Troy Miller (Asphalt Mini Stock) | 8th | - | - | 13th |
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| 7/2/2021 | Tri-City Motor Speedway - Auburn, MI ALLSTAR PERFORMANCE CHALLENGE SERIES RACES DIRTcar Late Models: Allstar Performance Challenge Series Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Troy Miller (Hobby Stocks) | 1st | - | - | 11th |
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| 7/3/2021 | Whittemore Speedway - Whittemore, MI GOOGY 50 & FIREWORKS Street Stocks, Asphalt Economy Trucks, Asphalt Mini Stock, Pure Stock | Results | | Troy Miller (Asphalt Mini Stock) | 7th | - | - | 7th |
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| 7/4/2021 | Merritt Speedway - Merritt, MI INDEPENDENCE DAY - DAY 2 | ALLSTAR PERFORMANCE CHALLENGE SERIES RACES DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, Sportsmans, B Modifieds, Mini Wedge, Mini Outlaws | Results | | Troy Miller (Hobby Stocks) | 10th | - | 13th | - |
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| 7/9/2021 | Tri-City Motor Speedway - Auburn, MI 4-6 CYL & FS NIGHT DIRTcar Late Models, Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Troy Miller (Hobby Stocks) | 6th | - | 3rd | - |
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| 7/10/2021 | Whittemore Speedway - Whittemore, MI Autograph Night Asphalt Economy Trucks, Asphalt Mini Stock, Pro Late Model, Pure Stock | Results | | Troy Miller (Asphalt Mini Stock) | 8th | - | - | 15th |
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| 7/16/2021 | Tri-City Motor Speedway - Auburn, MI PRO STOCK NIGHT - $2500 TO WIN DIRTcar Late Models, Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Troy Miller (Hobby Stocks) | 6th | - | 1st | 18th |
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| 7/17/2021 | Whittemore Speedway - Whittemore, MI Powder Puff Races Street Stocks, Pro Legends, Asphalt Mini Stock, Pure Stock | Results | | Troy Miller (Asphalt Mini Stock) | 8th | - | - | 10th |
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| 7/23/2021 | Tri-City Motor Speedway - Auburn, MI Challenge Series Races, 4-6 CYL NIGHT - $1500 TO WIN DIRTcar Late Models, Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Troy Miller (Hobby Stocks) | 7th | - | 3rd | - |
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| 7/30/2021 | Tri-City Motor Speedway - Auburn, MI Pro Stock & Mod Night $1,500 to win! DIRTcar Late Models, Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Troy Miller (Hobby Stocks) | 3rd | - | - | 12th |
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| 8/6/2021 | Merritt Speedway - Merritt, MI 33RD ANNUAL WOOD TIC - DAY 1 DIRTcar Late Models: Allstar Performance Challenge Series DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, Sportsmans, B Modifieds, Mini Wedge, Mini Outlaws | Results | | Troy Miller (Hobby Stocks) | 6th | - | - | - |
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| 8/7/2021 | Merritt Speedway - Merritt, MI 33RD ANNUAL WOOD TIC - DAY 2 | ALLSTAR PERFORMANCE CHALLENGE SERIES RACES DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, Sportsmans, B Modifieds, Mini Wedge, Mini Outlaws | Results | | Troy Miller (Hobby Stocks) | - | - | 2nd | 10th |
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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 | | Troy Miller (Hobby Stocks) | 4th | - | - | 5th |
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| 8/14/2021 | Whittemore Speedway - Whittemore, MI Mechanics Race Street Stocks, Asphalt Economy Trucks, Asphalt Mini Stock, Pure Stock | Results | | Troy Miller (Asphalt Mini Stock) | 3rd | - | - | 8th |
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| 8/20/2021 | Tri-City Motor Speedway - Auburn, MI DIRTcar Summer Nationals HELL TOUR & PRO STOCK NIGHT $3000 TO WIN DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws | Results | | Troy Miller (Hobby Stocks) | 5th | - | - | 10th |
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| 8/21/2021 | Whittemore Speedway - Whittemore, MI Growler 100 Asphalt Super Late Models, Pro Legends, Asphalt Small Block Modifieds, Asphalt Mini Stock | Results | | Troy Miller (Asphalt Mini Stock) | 7th | - | - | DNS |
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| 8/25/2021 | Whittemore Speedway - Whittemore, MI Practice Asphalt Super Late Models, Street Stocks, Pro Legends, Asphalt Economy Trucks, Asphalt Small Block Modifieds, Asphalt Mini Stock, Pro Late Model, Pure Stock | Results | | Troy Miller (Asphalt Mini Stock) | - | - | - | - |
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| 8/27/2021 | Tri-City Motor Speedway - Auburn, MI MIDWEST COMPACT TOUR $1500 TO WIN & IMCA MODS $1000 TO WIN DIRTcar Late Models, Factory Stocks, Hobby Stocks, Sportsmans, IMCA Modified | Results | | Troy Miller (Hobby Stocks) | 2nd | - | - | 8th |
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| 8/28/2021 | Whittemore Speedway - Whittemore, MI Championship Night #1 Street Stocks, Asphalt Economy Trucks, Asphalt Mini Stock, Pro Late Model | Results | | Troy Miller (Asphalt Mini Stock) | 8th | - | - | 9th |
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| 9/3/2021 | Tri-City Motor Speedway - Auburn, MI ALLSTAR PERFORMANCE CHALLENGE SERIES RACE DIRTcar Late Models: Allstar Performance Challenge Series Factory Stocks, Hobby Stocks, Sportsmans, Mini Wedge, Mini Outlaws, IMCA Modified | Results | | Troy Miller (Hobby Stocks) | 8th | - | - | 12th |
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| 9/4/2021 | Whittemore Speedway - Whittemore, MI Championship Night #2 & Mod Special Pro Legends, Asphalt Economy Trucks, Asphalt Small Block Modifieds, Asphalt Mini Stock, Pro Late Model, Pure Stock | Results | | Troy Miller (Asphalt Mini Stock) | 5th | - | - | 7th |
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| 9/18/2021 | Whittemore Speedway - Whittemore, MI Invitational Day #2 Street Stocks, Pro Legends, Asphalt Economy Trucks, Asphalt Mini Stock, Pro Late Model, Pure Stock | Results | | Troy Miller (Asphalt Mini Stock) | 2nd | - | - | 9th |
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