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Justin Marks
YellaWood 500
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Fast Xfinity Practice at Chicago
July 1, 2023
Marks was fastest in Happy Hour practice for The Loop 121 Xfinity Series race at the Chicago Street Course on Saturday. He turned a fast lap of 85.958 mph.
Marks is making a rare NASCAR start this weekend due to the unique street course race at Chicago. He's piloting the No. 10 Chevrolet of Kaulig Racing. Marks edged Sheldon Creed to lead this lone session. He'll be a Top-5 threat Saturday in the inaugural The Loop 121.