Germantown Academy Wharton was born on May 9, in Abington, Pennsylvania. He was diagnosed with a 50% hearing loss, not long after his birth and began wearing a hearing aid as a toddler. Another Germantown Academy graduate, Trina Radke, also swam in the 1988 Olympics with Wharton. Wharton set Germantown school records in the 500-yard freestyle at 4:22.4, the 200-yard freestyle at 1:38.2, and the 200-yard IM at 1:47.1. While at Germantown, Wharton set National prep school records in the 200 IM and 500 freestyle at the 1986 Eastern Championships.
International competition He achieved his first recognition in international swimming as an 18-year-old at the
1987 Pan Pacific Swimming Championships in Brisbane, Australia, where he won gold medals in both the 200- and 400-meter individual medley events. He was recognized as the American Swimmer of the Year, together with
Janet Evans, by
Swimming World Magazine in 1987. He repeated his exceptional performance in international competition at the
1989 Pan Pacific Swimming Championships in Tokyo, again winning gold medals in the 200- and 400-meter individual medley events, as well as a silver medal in the 200-meter butterfly. At the 1991 Pan Pacifics, he won a bronze in the 200-meter butterfly, a silver in the 400-meter medley, and a bronze in the 200-meter medley. ==1988, 1992 Olympics==