Represented his native Ireland in the Sydney Olympics in 2000. A three-time All American, McGrath was a threat with both the hammer and 35 lb weight. He was named All East eight times, four in each category. McGrath is listed third all-time on the Manhattan College chart for hammer and weight, and has national and international championships to his credit. He earned the title of youngest champion at the Irish Nationals in the hammer throw competition in 1992 (205'0").