Conversation so far:
What was Mary Decker's career?
Mary Decker was recognized as a world-class runner.
Are there any other interesting aspects about Mary Decker besides being recognized as a world-class runner?
Unable to attend the 1972 Olympics as she was too young, Mary Decker won international acclaim in 1973 with a win in the 800 meters.
When was Mary Decker's first olympics?
Mary Decker was heavily favored to win a gold medal in the 3000 meters run at the 1984 Summer Olympics, held at Los Angeles.
Did Mary Decker win a medal at the Olympics?
Mary Decker has not won a Olympic medal.

Question: Did she ever metal?
Self-contained rewrite: Did Mary Decker ever win a medal?