[1] Gustavson was a product of the powerhouse training program at the Santa Clara Swim Club, led by coach George Haines.

[2] She received a gold medal as a member of the first-place U.S. team in the women's 4×100-meter freestyle relay (4:02.5).

[1] Together with her teammates Jane Barkman, Sue Pedersen and Jan Henne, she set a new Olympic record of 4:02.5 in the event final.

[4] Gustavson attended Michigan State University with fellow Olympic swimmer Pam Kruse, and the two friends joined Kappa Alpha Theta sorority.

[5] She swam for the Michigan State Spartans swimming and diving team in Association for Intercollegiate Athletics for Women (AIAW) and Big Ten Conference competition, and she and Kruse won the Big Ten championship in the 400-yard freestyle relay in 1971.