She competed in the preliminary heats of the women's 400-meter freestyle, and posted a time of 5:16.7.McGreivy became a lesbian activist and civil rights attorney for the American Civil Liberties Union (ACLU) of Southern California.
She had a "leading role" in a range of ACLU gay and lesbian civil rights issues, including a case against the Boy Scouts of America, a defense of the Gay Games against the United States Olympic Committee, and defense of the Norton Sound Eight.