As the 1991 world champion, O'Brien entered the Olympic year of 1992 as the favorite to win gold in the decathlon in Barcelona and be proclaimed as the "world's greatest athlete." However, during the U.S. Olympic Trials at Tad Gormley Stadium in New Orleans in late June, O'Brien had a disaster in the eighth event, the pole vault. After passing at the first four (lower) heights, O'Brien entered the competition at , and failed to clear the bar on all three attempts. As a result, he scored no points and dropped from first to eleventh place among the 24 decathletes. He did not make the Olympic team for Barcelona, but he continued to train for the competition held in France a few weeks after the Olympics ended.