Saturday, August 2, 2025
USAC National Sprint Cars
Sunday, April 29, 1973
410 Sprints - Non-Winged
Sunday, May 6, 1973
Sunday, May 20, 1973
Sunday, June 24, 1973
Sunday, July 1, 1973
Sunday, July 15, 1973
Sunday, August 5, 1973
Sunday, August 19, 1973
Sunday, August 26, 1973
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