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| 5/26/2018 | Thunderbird Raceway - Muskegon, MI DIRTcar Late Models: American Ethanol Dirt Racing Group Factory Stocks, Stock Cars, B Modifieds, Sport Compact | Results | | Greg Smith (B Modifieds) | 2nd | - | - | 15th |
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| 6/2/2018 | Thunderbird Raceway - Muskegon, MI 1st Annual Tar vs Dirt $500 to win DIRTcar Late Models, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Greg Smith (B Modifieds) | 1st | - | - | 3rd |
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| 6/16/2018 | Thunderbird Raceway - Muskegon, MI 360 Sprints - Winged: GLSS-Great Lakes Super Sprints Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Mini Wedge, Sport Compact | Rain Out |
| 6/23/2018 | Thunderbird Raceway - Muskegon, MI Haulin' Fast 35 for LM DIRTcar Late Models, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Greg Smith (B Modifieds) | 1st | - | - | 1st |
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| 6/30/2018 | Thunderbird Raceway - Muskegon, MI 60th Anniversary Night! Kids Night! Fireworks! Tim Epplett Memorial! LM, MOD, SS, FS, CS, WAR, MW DIRTcar Late Models, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Greg Smith (B Modifieds) | 4th | - | - | 1st |
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| 7/3/2018 | Merritt Speedway - Merritt, MI FAN APPRECIATION NIGHT DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, Sportsmans, B Modifieds, Lightning Sprints, Enduro, Generic 1, Mini Wedge | Results | | Greg Smith (DIRTcar Late Models) | - | - | - | - | | Greg Smith (B Modifieds) | 2nd | - | - | 17th |
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| 7/7/2018 | Thunderbird Raceway - Muskegon, MI Wayne Roe Memorial for FS! - LM, MOD, SS, FS, CS, WAR, MW DIRTcar Late Models, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Greg Smith (B Modifieds) | 2nd | - | - | 18th (DNF) |
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| 7/28/2018 | Thunderbird Raceway - Muskegon, MI Salute to Veterans Night! SS Shootout! LM, MOD, SS, CS, WAR, MW DIRTcar Late Models, Stock Cars, B Modifieds, Street Stocks, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Greg Smith (B Modifieds) | 3rd | - | - | 6th |
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| 8/4/2018 | Thunderbird Raceway - Muskegon, MI MTS Sprint Series and Junkyard 100 Enduro DIRTcar Late Models, Factory Stocks, Stock Cars, B Modifieds, Economy Sprints - Non Winged, Enduro, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Greg Smith (B Modifieds) | 2nd | - | - | 2nd |
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| 8/11/2018 | Thunderbird Raceway - Muskegon, MI Autograph Night! Modified Special! LM, MOD, SS, FS, CS, WAR, MW DIRTcar Late Models, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Greg Smith (B Modifieds) | 2nd | - | - | 5th |
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| 8/18/2018 | Thunderbird Raceway - Muskegon, MI 360 Sprints - Winged: GLSS-Great Lakes Super Sprints Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Greg Smith (B Modifieds) | 1st | - | - | 18th (DNF) |
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