Cargill, who preferred hard courts according to the ITF profile, studied at Duke University and reached the second round of the US Open in doubles in 2002 and the second round of the Australian Open in 2003 . At the Pan American Games in 2003 she won the bronze medal in women's singles.
Cargill was able to win a total of four singles and four doubles titles at ITF tournaments. After the US Open in 2006, she only played one match at an ITF tournament, and has not been in the world rankings since 2007 .