| | Heat | Dash | B Feature | A Feature |
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| 4/28/2018 | Plymouth Speedway - Plymouth, IN Cabin Fever and Fireworks DIRTcar UMP Modifieds, Super Sports, Stock Non-Wing, Street Stocks, Winged Crate Sprints | Results | | Doug Grall (Street Stocks) | 5th | - | - | 8th |
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| 5/5/2018 | Plymouth Speedway - Plymouth, IN USAC Spring Series AMSOIL National Sprint Cars 410 Sprints - Non-Winged: USAC National Sprint Cars DIRTcar UMP Modifieds, Street Stocks | Results | | Doug Grall (Street Stocks) | 6th | - | - | 8th |
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| 5/19/2018 | Plymouth Speedway - Plymouth, IN School Team Spirit Night DIRTcar UMP Modifieds, Super Sports, Stock Non-Wing, Street Stocks, Winged Crate Sprints, Mini Wedge | Results | | Doug Grall (Street Stocks) | 4th | - | - | 8th |
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| 5/26/2018 | Plymouth Speedway - Plymouth, IN Fireworks Event & Veterans Night & First Responders DIRTcar UMP Modifieds, Asphalt Mini Stocks, Super Sports, Street Stocks, Winged Crate Sprints | Results | | Doug Grall (Street Stocks) | 5th (DNF) | - | - | 16th |
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| 6/2/2018 | Plymouth Speedway - Plymouth, IN Kosciusko Night & Autograph Session DIRTcar UMP Modifieds, Super Sports, Stock Non-Wing, Street Stocks, Winged Crate Sprints | Results | | Doug Grall (Street Stocks) | 5th | - | - | 10th (DNF) |
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| 6/9/2018 | Plymouth Speedway - Plymouth, IN Indiana Double Header Night 2 360 Sprints - Winged: GLSS-Great Lakes Super Sprints DIRTcar UMP Modifieds, Stock Non-Wing, Street Stocks | Results | | Doug Grall (Street Stocks) | 6th | - | - | 10th |
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| 6/16/2018 | Plymouth Speedway - Plymouth, IN Dad's Night DIRTcar UMP Modifieds, Super Sports, Stock Non-Wing, Street Stocks, Winged Crate Sprints | Results | | Doug Grall (Street Stocks) | 5th | - | - | 8th |
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| 6/23/2018 | Plymouth Speedway - Plymouth, IN Elkhart County Night DIRTcar UMP Modifieds, Super Sports, Stock Non-Wing, Street Stocks, Winged Crate Sprints, Mini Wedge | Results | | Doug Grall (Street Stocks) | 7th | - | - | 11th |
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| 6/30/2018 | Plymouth Speedway - Plymouth, IN Fireworks Show DIRTcar UMP Modifieds, Asphalt Mini Stocks, Super Sports, Street Stocks, Winged Crate Sprints | Results | | Doug Grall (Street Stocks) | 7th | - | - | 8th |
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| 7/7/2018 | Plymouth Speedway - Plymouth, IN Boy Scouts & Girl Scouts Night DIRTcar UMP Modifieds, Super Sports, Stock Non-Wing, Street Stocks, Winged Crate Sprints | Results | | Doug Grall (Street Stocks) | 2nd | - | - | 18th |
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| 7/14/2018 | Plymouth Speedway - Plymouth, IN Stark County Night DIRTcar UMP Modifieds, Super Sports, Stock Non-Wing, Street Stocks, Winged Crate Sprints | Results | | Doug Grall (Street Stocks) | 2nd | - | - | 7th |
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| 8/11/2018 | Plymouth Speedway - Plymouth, IN Riley Children’s Hospital Night DIRTcar UMP Modifieds, Asphalt Mini Stocks, Super Sports, Stock Non-Wing, Street Stocks, Winged Crate Sprints | Results | | Doug Grall (Street Stocks) | 4th | - | - | 7th |
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| 8/18/2018 | Plymouth Speedway - Plymouth, IN Championship Night Final Points DIRTcar UMP Modifieds, Super Sports, Stock Non-Wing, Street Stocks, Winged Crate Sprints | Results | | Doug Grall (Street Stocks) | 6th | - | - | 7th |
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