Education
In the 1500, he finished less than .2 behind former 880 world record holder Rick Wohlhuter who took the last qualifying spot in his heat behind eventual double silver medalist Ivo Van Damme and bronze medalist Paul-Heinz Wellmann.
In the 1500, he finished less than .2 behind former 880 world record holder Rick Wohlhuter who took the last qualifying spot in his heat behind eventual double silver medalist Ivo Van Damme and bronze medalist Paul-Heinz Wellmann.
He represented Ireland in the 800 metres and 1500 metres at the 1976 Olympics. Earlier in the 800, Van Damme had also defeated O'Shaughnessy in the heats, en route to his other silver medal. O'Shaughnessy came from Kilknockan, County Limerick, but was recruited by Irishman John McDonnell to the University of Arkansas in the United States where he eventually settled.
He was All American in cross-country, indoor track, and outdoor track. He was inducted into the University of Arkansas Athletic Hall of Honor in 1994.