DIRTcar Summer Nationals Schedule2025 DIRTcar Summer Nationals Schedule Watch on DIRTVision Print Schedule Series Combined Late Models Modifieds Season Upcoming 2025 2024 2023 2022 2021 2020 Filter SUNDAYJUL13DIRTCAR SUMMER NATIONALS / SUMMIT MODIFIEDSWayne County (OH) Speedway | Orrville, OHEvent InfoWatch LiveFRIDAYJUL25WORLD OF OUTLAWS PRAIRIE DIRT CLASSIC • NIGHT 1Fairbury Speedway | Fairbury, ILEvent InfoWatch LiveSATURDAYJUL26WORLD OF OUTLAWS PRAIRIE DIRT CLASSIC • NIGHT 2Fairbury Speedway | Fairbury, ILEvent InfoWatch Live