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AtoZ Promotions is pleased to announce the 2022 racing schedule at Park Jefferson Speedway. An exciting year of racing is planned with the return of fan favorites with the 9th annual J&J Fitting Iron Cup, the 9th annual Memorial Duels featuring 410 sprint cars and IMCA...more

The 2021 racing season at Park Jefferson Speedway saw the checkered flag fall as fans saw perfect August weather to finish the season. The great team from I State Truck Centers was on hand for their employee night and Zeitner & Sons brought the Tri State Late Models to...more

Five new Iron Cup champions were crowned on Park Jefferson's biggest night of racing as the J&J Fitting sponsored Iron Cup came to a close on Tuesday night. Jacob Hobscheidt led the entire 35 lap IMCA Modified feature but had to hold off a hard running Shane Demey on the...more

Preliminary night of the 8th annual J&J Fitting Iron Cup came to Park Jefferson Speedway for the IMCA divisions here is Sioux City. With all the top local hot shoes on hand, the racing was fast and furious as 83 cars entered into night number 1 of the Iron Cup. In the J&J...more