| | Heat | Dash | B Feature | A Feature |
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| 3/10/2018 | Hunt County Raceway - Greenville, TX Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros | Results | | Stephen Smith (Winged A-Class) | 3rd | - | - | 7th |
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| 3/23/2018 | Heart O' Texas Speedway - Waco, TX Sprint Car Bandits - Gene Adamcik Memorial 305 Sprints - Winged, Sprint Cars, Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks | Results | | Stephen Smith (Sprint Cars) | 7th | - | 9th | - |
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| 3/31/2018 | Oklahoma Sports Park - Ada, OK Enduro + Pure Stocks DIRTcar Factory Stock, Enduro | Rain Out |
| 4/15/2018 | Oklahoma Sports Park - Ada, OK Enduro + Pure Stock DIRTcar Factory Stock, Enduro | Results | | Stephen Smith (Enduro) | - | - | - | 22nd |
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| 4/20/2018 | RPM Speedway - Crandall, TX Winged A-Class: NOW600 A-Class Micros Sportsmans | Results | | Stephen Smith (Winged A-Class) | 4th | - | - | 3rd |
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| 4/28/2018 | I-44 Riverside Speedway - Oklahoma City, OK Midgets: POWRi West Midgets Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Stock Non-Wing, Junior Sprints | Results | | Stephen Smith (Winged A-Class) | 1st | - | - | 17th | | Stephen Smith (Stock Non-Wing) | 1st | - | - | 5th |
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| 5/26/2018 | Gulf Coast Speedway - Alvin, TX Tommy Wilson Memorial Restricted 'A' Class: POWRi Lonestar 600 Restrictor's Winged A-Class: POWRi Lonestar 600's Wing Junior Sprints: POWRi Lonestar 600's Jr Sprint's Sportsman Micros: NOW600 C2 Micros Sprint Cars, Winged Outlaw, Dwarf, Dirt Cage Kart Junior 1, Dirt Cage Kart Junior 2, Cage Jr. Predator, Cage Sr. Predator | Rain Out |
| 6/30/2018 | Oklahoma Sports Park - Ada, OK Enduro + Pure Stock + Fireworks DIRTcar Factory Stock, Enduro | Results | | Stephen Smith (Enduro) | - | - | - | 14th |
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| 8/4/2018 | 281 Speedway by C&S Promotions - Stephenville, TX SPECIAL EVENT: Elite Non-Wing Sprint Series Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, Non-Winged Sprints, 305 Sprints - Non-Winged, Hornets | Results | | Stephen Smith (305 Sprints - Non-Winged) | 6th | - | - | 18th (DNF) |
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| 8/17/2018 | Heart O' Texas Speedway - Waco, TX Wild Bill White Shootout - Lone Star Dwarf Car Club Factory Stocks, Asphalt Mini Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, 305 Sprints - Non-Winged, Dwarf | Results | | Stephen Smith (305 Sprints - Non-Winged) | 6th | - | - | 8th |
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| 12/31/2018 | Tulsa Expo Raceway - Tulsa, OK Early Parking Winged Outlaw: Tulsa Shootout Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Stock Non-Wing, Junior Sprints, 600cc Modifieds | Results | | Stephen Smith (Non-Wing Outlaw) | - | - | - | - | | Stephen Smith (Winged A-Class) | - | - | - | - | | Stephen Smith (Stock Non-Wing) | - | - | - | - |
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