Fri, Aug 7
2026
Oval Track Racing
Location
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About this event
Park Jefferson Speedway is a dirt ractrack based on the north side of Sioux City, Iowa. Park Jefferson was founded in the mid 1980's by Ted Carlson as the cornerstone of his racing empire. Park Jefferson rose to prominence as one of the top racing facilities in the area, feauturing Super Late Models and also touring specials with Outlaw Sprintcars from the NCRA. In 2014, Park Jefferson Speedway came under the umbrella of AtoZ Promotions. Park Jefferson Speedway races IMCA Modifieds by My Jeweler, IMCA Late Models by B&B Contracting, IMCA Stock Cars by Fremont Tire, IMCA SportMods by JZ Trucking, IMCA Hobby Stocks by Claas Farmpoint, IMCA Sport Compacts by NAPA Auto Parts