| | Heat | Dash | B Feature | A Feature |
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| 4/21/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 7th | - | 5th | 13th |
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| 4/28/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 5th | - | - | 16th |
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| 5/5/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (DIRTcar UMP Modifieds) | 5th | - | - | 15th |
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| 5/12/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 6th | - | - | 10th |
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| 5/19/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (DIRTcar UMP Modifieds) | 8th | - | - | 13th |
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| 5/26/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (DIRTcar UMP Modifieds) | - | - | - | - | | Tiffany Harrison (B Modifieds) | 6th | - | - | 12th |
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| 5/28/2018 | Peoria Speedway - Peoria, IL Billy Neal Memorial DIRTcar UMP Modifieds, B Modifieds, Hornets, Dirt Crate Late Models | Results | | Tiffany Harrison (B Modifieds) | 5th | - | - | 12th |
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| 6/2/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 4th | - | - | 10th |
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| 6/9/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 7th | - | 4th | 16th |
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| 6/13/2018 | Peoria Speedway - Peoria, IL Summer Nationals DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds, B Modifieds, Hornets | Results | | Tiffany Harrison (B Modifieds) | 8th | - | - | 13th |
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| 6/16/2018 | Peoria Speedway - Peoria, IL Weekly Racing plus Kid Mods Sprint Cars, DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 7th | - | - | 12th |
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| 6/23/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 6th | - | - | 14th |
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| 7/7/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 8th | - | 5th | 17th |
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| 7/21/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 8th | - | 7th | 19th |
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| 7/28/2018 | Peoria Speedway - Peoria, IL $5.00 General Admission DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets, Dirt Crate Late Models | Results | | Tiffany Harrison (B Modifieds) | 7th | - | 4th | 12th |
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| 8/4/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 3rd | - | - | 14th |
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| 8/11/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 8th | - | - | 10th |
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| 8/18/2018 | Peoria Speedway - Peoria, IL Street Stocks: Midwest Stock Car Tour DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 7th | - | - | 12th |
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| 8/25/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 6th | - | - | 12th |
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| 9/22/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 5th | - | - | 11th |
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| 9/29/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 5th | - | - | 14th |
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| 10/6/2018 | Peoria Speedway - Peoria, IL DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Tiffany Harrison (B Modifieds) | 4th | - | - | 14th |
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