Education
Florida State University.
Florida State University.
While studying in the United States, Petersen was part of the 200-yard medley relay team that claimed a top finish at the 1998 Atlantic Coast Conference Swimming Championships. Petersen also played for the Florida State Seminoles swimming and diving team under head coach Neil Harper, and later became a graduate of management information systems at the Florida State University in Tallahassee, Florida. Petersen established his swimming history at the 1999 Pan Pacific Swimming Championships in Sydney, where he placed fourth in the 100 m breaststroke, just a small fraction outside the podium.
On that same year, Petersen powered home with a gold medal for South Africa in the 100 m breaststroke (1:0263) at the All-Africa Games in Johannesburg.
At the 2000 Summer Olympics in Sydney, Petersen competed only in two swimming events. In the 100 m breaststroke, Petersen finished seventh in a time of 1:01.63, holding off Switzerland"s Remo Lütolf by a quarter of a second (025).
Petersen also teamed up with Simon Thirsk, Nicholas Folker, and Theo Verster in the 4×100 m medley relay. Swimming a breaststroke leg in heat two, Petersen recorded a split of 1:02.51, but the South Africans finished the race in fourth place and thirteenth overall with a final time of 3:42.44.
At the 2001 Goodwill Games in Brisbane, Petersen fought off a challenge from Australia"s Simon Cowley to pick up a silver medal in the 50 m breaststroke (2872).