The six-time Olympic medalist finished first in the 400m prelims and semifinals and will compete in the finals at 6:45 p.m. PT tonight.
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Felix, who will also compete in the 4x400 relay, has the chance to surpass Jackie Joyner-Kersee as the most decorated female track & field athlete in American history if she medals in either of her events.
Watch Felix discuss that record and the influence that Joyner-Kersee has had on her during her Olympic career.










