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| 7/14/2018 | Federated Auto Parts I-55 Raceway - Pevely, MO Super Federated Saturday DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Rain Out |
| 7/21/2018 | Federated Auto Parts I-55 Raceway - Pevely, MO Super Federated Saturday plus Gateway Vintage Series DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Rigel Stillman (DIRTcar UMP Modifieds) | 9th | - | 9th | - |
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| 7/28/2018 | Federated Auto Parts I-55 Raceway - Pevely, MO Fan Appreciation and Kids Night DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Rigel Stillman (DIRTcar UMP Modifieds) | 7th | - | - | 21st |
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| 8/3/2018 | Federated Auto Parts I-55 Raceway - Pevely, MO Iron Man 55 410 Sprints - Winged: World of Outlaws Midgets: POWRi National Midgets with POWRi West Midgets DIRTcar UMP Modifieds | Results | | Rigel Stillman (DIRTcar UMP Modifieds) | 8th | - | - | 20th |
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| 8/4/2018 | Federated Auto Parts I-55 Raceway - Pevely, MO Iron Man 55 410 Sprints - Winged: World of Outlaws Midgets: POWRi National Midgets with POWRi West Midgets Sprint Cars, DIRTcar UMP Modifieds | Results | | Rigel Stillman (DIRTcar UMP Modifieds) | DNS | - | - | 13th |
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| 8/18/2018 | Federated Auto Parts I-55 Raceway - Pevely, MO Super Federated Saturday DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Rigel Stillman (DIRTcar UMP Modifieds) | 7th | - | - | 16th |
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| 9/15/2018 | Federated Auto Parts I-55 Raceway - Pevely, MO Super Federated Saturday DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Rigel Stillman (DIRTcar UMP Modifieds) | 8th | - | - | DNS |
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