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| 5/19/2023 | Mississippi Thunder Speedway - Fountain City, WI Karl Fenske Memorial presented by Whitewater Chrysler Dodge Jeep Ram A Modifieds, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 2nd | - | - | 3rd |
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| 5/21/2023 | Mason City Motor Speedway - Mason City, IA Mason City Motor Speedway - EAST Dirt Super Late Models: SLMR Late Model Series 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Devin Holthaus (USRA Hobby Stocks) | 4th | - | - | 7th |
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| 5/26/2023 | Fayette County Speedway - West Union, IA Weekly Points Race Sponsored by United Beverage 600cc Modifieds, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Devin Holthaus (USRA Hobby Stocks) | 5th | - | - | 5th |
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| 5/27/2023 | Winneshiek Raceway - Decorah, IA Stock Car Special $2,000 to WIN Sponsored by Cresco Building Service & Jeff Wemark Trucking USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners, Mod Lites | Results | | Devin Holthaus (USRA Hobby Stocks) | 6th | - | - | 11th |
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| 5/28/2023 | Fayette County Speedway - West Union, IA 11th Annual War in West Union A Modifieds: USMTS - United States Modified Touring Series USRA B-Mods, USRA Hobby Stocks | Results | | Devin Holthaus (USRA Hobby Stocks) | 4th | - | - | 11th (DNF) |
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| 6/2/2023 | Mississippi Thunder Speedway - Fountain City, WI Dirt Kings - Stars & Stripes 40 presented by Arcadia Chrysler Dodge Jeep Ram Dirt Late Models: Dirt Kings Late Model Tour USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Postponed |
| 6/3/2023 | Deer Creek Speedway - Spring Valley, MN Weekly Racing USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, WISSOTA Midwest Mods | Results | | Devin Holthaus (USRA Hobby Stocks) | 1st | - | - | 9th |
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| 6/8/2023 | Mason City Motor Speedway - Mason City, IA B-Mod Shootout USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Devin Holthaus (USRA Hobby Stocks) | 4th | - | - | 5th |
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| 6/9/2023 | Mississippi Thunder Speedway - Fountain City, WI USRA Late Model Special presented by Two Brother's Auto & Lamm Trucking A Modifieds, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 2nd | - | - | 2nd |
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| 6/10/2023 | Deer Creek Speedway - Spring Valley, MN Podein's Power Equipment Weekly Racing A Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, WISSOTA Midwest Mods | Results | | Devin Holthaus (USRA Hobby Stocks) | 4th | - | - | 4th |
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| 6/21/2023 | Cresco Speedway - Cresco, IA Howard County Fair Races - Cresco Speedway USRA Weekly Racing Series 600cc Modifieds, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Devin Holthaus (USRA Hobby Stocks) | 5th | - | - | 10th |
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| 6/23/2023 | Mississippi Thunder Speedway - Fountain City, WI RacinDirt Thunder Summer Series A Modifieds, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 1st | - | - | 3rd |
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| 6/30/2023 | Mississippi Thunder Speedway - Fountain City, WI RacinDirt Thunder Summer Series A Modifieds, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 3rd | - | - | 6th |
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| 7/14/2023 | Mississippi Thunder Speedway - Fountain City, WI UMSS Traditional Sprints Special presented by Fountain City Ford Non-Winged Sprints, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 4th | - | - | 1st |
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| 7/21/2023 | Mississippi Thunder Speedway - Fountain City, WI Plumbers Mechanical Group Your Armstrong Air Pro Team Night USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 2nd | - | - | 5th |
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| 7/28/2023 | Mississippi Thunder Speedway - Fountain City, WI K-Town Klash A Modifieds, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 4th | - | - | 1st |
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| 8/4/2023 | Mississippi Thunder Speedway - Fountain City, WI LT Construction Night 125cc Winged Micros, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 1st | - | - | 5th |
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| 8/18/2023 | Mississippi Thunder Speedway - Fountain City, WI Dirt Kings - Rumble by the River 40 presented by Hurco Companies Dirt Late Models: Dirt Kings Late Model Tour USRA B-Mods, USRA Late Models, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 1st | - | - | 4th |
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| 8/25/2023 | Mississippi Thunder Speedway - Fountain City, WI Leighton Broadcasting Season Championship Busch Light Night A Modifieds, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 2nd | - | - | 4th |
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| 9/1/2023 | Mississippi Thunder Speedway - Fountain City, WI End of Summer Bash Dirt Super Late Models: World of Outlaws - Late Models A Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, WISSOTA Late Model, 604 Crate Late Models | Results | | Devin Holthaus (USRA Hobby Stocks) | 6th | - | - | 17th |
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| 9/15/2023 | Mississippi Thunder Speedway - Fountain City, WI Prelude to Stock Car Nationals USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 5th | - | - | 11th |
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| 9/16/2023 | Deer Creek Speedway - Spring Valley, MN Altenburg Construction Stock Car Nationals USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 2nd | - | - | 8th |
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| 9/29/2023 | Mississippi Thunder Speedway - Fountain City, WI The Great Pumpkin Race Open Dirt Karts, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 8th (DNF) | - | 3rd | 14th |
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| 9/30/2023 | Mississippi Thunder Speedway - Fountain City, WI The Great Pumpkin Race Open Dirt Karts, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 3rd | - | - | 9th |
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| 10/20/2023 | Mason City Motor Speedway - Mason City, IA Your Life Iowa Five Star Classic Presented by Canadian Pacific Dirt Super Late Models, 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Devin Holthaus (USRA Hobby Stocks) | 3rd | - | - | 3rd |
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