As a member of the seven-swimmer Canadian squad, Fortier won the silver medal in the synchronized swimming team competition at the 1971 Pan American Games.[3] Her team claimed the gold medal in provincial competition, and won two gold medals in the figures and solo disciplines at the national championships in 1973.[1] In May 1974, Fortier won the gold medal in each of the open and closed solo (with her partner Linda Bedard) competitions of that year's Canadian Senior Synchronized Swimming Championships.[4] She traveled to Ottawa to compete in the 1974 World Invitational Solo Synchronized Swimming Championships as part of the Pan Pacific Games held at the Nepean Sportsplex that September.[5] Fortier took the silver medal in both the figure and team events.[6][7]
She continued to attain success in 1975.[1] At the Central Canada Regional Synchronized Swimming Championship held at the Brewer Centennial Pool in April of that year,[8] Fortier won gold medals in each of her events.[1] She went on to clinch the gold medal in the solo competition at the Senior Canadian Synchronized Swimming Championships later that year.[9] At the 1975 World Aquatics Championships in Cali, Fortier finished second for the solo event silver medal in the synchronized swimming discipline.[10] She also took the silver medal in the team event at the same competition.[1] Fortier went on to take another solo silver medal in the synchronized swimming competition at the 1975 Pan American Games in Mexico City.[11]
In 1976, she would continue her run of achievements.[1] Fortier teamed up with Bedard and held off Nancy Good and Helen Vanderburg of the Calgary Aquabelles to win the gold medal in the closed and open events of the Canadian Senior National Synchronized Swimming Championships for the third year in a row that May.[12][13] She also added victories in the provincial events.[1] Fortier was one of 190 eligible athletes deemed suitable to receive federal aid after a process of nomination and evaluation by Sport Canada.[14] Fortier served as a torch bearer for the 1976 Summer Olympics opening ceremony in Montreal.[15] At the 1976 Scandinavian Open Synchronized Swimming Championships in Nässjö that August, she won both the solo and figures events for a duo of gold medals.[16] Fortier traveled to Japan the following month and won the solo discipline against American outdoor champion Robin Curren at the Pan Pacific Games.[1][17] She was named synchronized swimming's world champion following her achievements in 1976.[1]
Fortier announced her retirement from active competition at age 18 in February 1977.[18] She said in an interview that she was happy with what she had achieved throughout her career and wanted to pursue other activities.[2]
