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| 4/17/2025 | Cedar County Raceway - Tipton, IA Hawkeye Land 40: $5,000-to-win MARS Late Models DIRTcar Late Models: MARS - Midwest Auto Racing Series Dirt Super Late Models, Dirt Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Tim Simpson (DIRTcar Late Models) | 8th | - | 8th | - |
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| 4/18/2025 | 34 Raceway - West Burlington, IA Prelude to the Slocum: $5,000-to-win MARS Late Models DIRTcar Late Models: MARS - Midwest Auto Racing Series 305 Sprints - Winged, Dirt Super Late Models, Dirt Late Models | Results | | Tim Simpson (DIRTcar Late Models) | 8th | - | 9th | - |
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| 4/19/2025 | 34 Raceway - West Burlington, IA Slocum 50: $10,555-to-win MARS Late Models DIRTcar Late Models: MARS - Midwest Auto Racing Series Dirt Super Late Models, Stock Cars, A Modifieds, Dirt Late Models | Results | | Tim Simpson (DIRTcar Late Models) | 9th | - | 8th | - |
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| 5/24/2025 | Maquoketa Speedway - Maquoketa, IA SLMR Late Models plus $1k to win Mods presented by Eastern Iowa Overhead Door! Dirt Super Late Models: SLMR Late Model Series Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Tim Simpson (Dirt Super Late Models) | 2nd | - | - | 13th |
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| 5/25/2025 | Spoon River Speedway - Canton, IL Gary Cook Jr Memorial: $2,564-to-win MARS Modifieds | $5,000-to-win MARS Late Models DIRTcar Late Models: MARS - Midwest Auto Racing Series DIRTcar UMP Modifieds, DIRTcar Sport Compact, B Modifieds, Dirt Late Models | Results | | Tim Simpson (DIRTcar Late Models) | 7th | - | 5th | - |
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| 5/30/2025 | CJ Speedway - Columbus Junction, IA Dirt Super Late Models: SLMR Late Model Series IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Tim Simpson (Dirt Super Late Models) | 7th | - | 5th | - |
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| 5/31/2025 | LaSalle Speedway - Lasalle, IL Illinois Valley Showdown Night #2 presented by Arizona Sport Shirts DIRTcar Late Models: MARS - Midwest Auto Racing Series DIRTcar UMP Modifieds, DIRTcar Stock Car | Results | | Tim Simpson (DIRTcar Late Models) | 7th | - | 4th | - |
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