Complex sentence: At the 1956 U.S. Olympic Team Trials, Miss Stunyo and teammate Barbara Gilders-Dudeck were sponsored by the Detroit Athletic Club; in Melbourne, Gilders-Dudeck finished fourth-less than one point from MacDonald's history making bronze medal.
Split into simpler sentences: At the 1956 U.S. Olympic Team Trials, Miss Stunyo and teammate Barbara Gilders-Dudeck were sponsored by the Detroit Athletic Club. In Melbourne, Gilders-Dudeck finished fourth-less than one point from a bronze medal.