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| 4/27/2018 | I-96 Speedway - Lake Odessa, MI Opening Night - Pro Stock / Truck Special DIRTcar Late Models, Sportsmans, B Modifieds, Street Stocks, Hornets, Dirt Pro Trucks, Mini Wedge, Mini Outlaws | Results | | Calvin Stemler (B Modifieds) | 6th | - | - | 7th |
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| 4/28/2018 | Crystal Motor Speedway - Crystal, MI S.O.D. Sprints 360 Sprints - Winged, Hobby Stocks, A Modifieds, Dirt Late Models, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Calvin Stemler (A Modifieds) | 7th | - | - | 16th |
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| 5/4/2018 | I-96 Speedway - Lake Odessa, MI 360 Sprints - Winged: GLSS-Great Lakes Super Sprints Sportsmans, B Modifieds, Street Stocks, Hornets, Mini Wedge, Mini Outlaws | Results | | Calvin Stemler (B Modifieds) | 5th | - | - | 14th |
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| 5/18/2018 | I-96 Speedway - Lake Odessa, MI Kids Bike Night DIRTcar Late Models, Sportsmans, B Modifieds, Street Stocks, Hornets, Dirt Pro Trucks, Mini Wedge, Mini Outlaws | Results | | Calvin Stemler (B Modifieds) | 10th | - | - | 14th |
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| 6/1/2018 | I-96 Speedway - Lake Odessa, MI World Of Outlaw Craftsman Sprint Cars - IMCA Modifieds ($5000 purse) 410 Sprints - Winged: World of Outlaws Winged Sprints, B Modifieds, Mini Wedge, Mini Outlaws | Results | | Calvin Stemler (B Modifieds) | 4th | - | - | 7th |
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| 6/8/2018 | I-96 Speedway - Lake Odessa, MI Double Features For Late Models DIRTcar Late Models, Sportsmans, B Modifieds, Street Stocks, Hornets, Dirt Pro Trucks, Mini Wedge, Mini Outlaws | Results | | Calvin Stemler (B Modifieds) | 4th | - | - | 9th |
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| 6/16/2018 | Crystal Motor Speedway - Crystal, MI MID-SEASON CHAMPIONSHIP, SPONSORED BY ENGINE PRO Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Calvin Stemler (A Modifieds) | 5th | - | - | 16th |
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| 6/22/2018 | I-96 Speedway - Lake Odessa, MI ** Autograph Night ** DIRTcar Late Models, Sportsmans, B Modifieds, Street Stocks, Hornets, Dirt Pro Trucks, Mini Wedge, Mini Outlaws | Results | | Calvin Stemler (B Modifieds) | 8th | - | - | 19th (DNF) |
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| 7/6/2018 | I-96 Speedway - Lake Odessa, MI Taste That Jerky Night DIRTcar Late Models, Sportsmans, B Modifieds, Street Stocks, Hornets, Dirt Pro Trucks, Mini Wedge, Mini Outlaws | Results | | Calvin Stemler (B Modifieds) | 7th | - | - | 14th |
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| 7/13/2018 | I-96 Speedway - Lake Odessa, MI Friday The 13th - Big Money Show Winged Sprints, DIRTcar Late Models, B Modifieds | Results | | Calvin Stemler (B Modifieds) | 7th | - | - | DNS |
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| 7/27/2018 | I-96 Speedway - Lake Odessa, MI Sunoco American Late Model Series / American Ethanol Late Model Tour [Dual on Dirt Rain Date] DIRTcar Late Models: American Ethanol Dirt Racing Group B Modifieds, Street Stocks, Hornets, Mini Wedge, Mini Outlaws | Results | | Calvin Stemler (B Modifieds) | 9th | - | - | 12th |
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| 8/10/2018 | I-96 Speedway - Lake Odessa, MI Regular Night DIRTcar Late Models, Sportsmans, B Modifieds, Street Stocks, Hornets, Dirt Pro Trucks, Mini Wedge, Mini Outlaws | Results | | Calvin Stemler (B Modifieds) | 3rd | - | - | 15th |
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| 8/24/2018 | I-96 Speedway - Lake Odessa, MI Family Night At The Races 410 Sprints - Winged, B Modifieds, Street Stocks, Hornets, Dirt Pro Trucks, Mini Wedge, Mini Outlaws | Results | | Calvin Stemler (B Modifieds) | - | - | - | - |
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| 8/31/2018 | I-96 Speedway - Lake Odessa, MI Season Championship Night Presented by Advance Auto Parts DIRTcar Late Models, Sportsmans, B Modifieds, Street Stocks, Hornets, Dirt Pro Trucks, Mini Wedge, Mini Outlaws | Results | | Calvin Stemler (B Modifieds) | 6th | - | - | 7th |
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| 9/2/2018 | Crystal Motor Speedway - Crystal, MI OUTLAW LM AND OPEN MODIFIEDS Dirt Super Late Models, Hobby Stocks, B Modifieds, Street Stocks, Dirt Late Models, Dirt Pro Trucks, Sport Compact | Results | | Calvin Stemler (B Modifieds) | - | - | - | - |
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| 10/12/2018 | I-96 Speedway - Lake Odessa, MI End of Year Fun Race DIRTcar Late Models, Sportsmans, B Modifieds, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, Mini Outlaws | Results | | Calvin Stemler (B Modifieds) | 6th | - | - | 12th (DNF) |
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