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 FRIDAYJUL25WORLD OF OUTLAWS PRAIRIE DIRT CLASSIC • NIGHT 1Fairbury Speedway | Fairbury, ILEvent InfoWatch LiveSATURDAYJUL26WORLD OF OUTLAWS PRAIRIE DIRT CLASSIC • NIGHT 2Fairbury Speedway | Fairbury, ILEvent InfoWatch Live