She competed at the 1968 Summer Olympics in Mexico City, where she received a gold medal in Platform Diving.

In late 1980, Duchková applied for permanent Canadian residency, along with her husband Petr Neveklovsky, then 33 years old and 22-month-old daughter Misa.

Outside of diving, Duchková was also registered as a doctor, dentist and an oral surgeon, with hopes to open her own practice in Newfoundland following acceptance of their residency application.

The family were concerned about raising their daughter in Czechoslovakia, according to her diving coach Don Webb, who had arranged for her one-year visa in Canada.

[2] She was inducted into the International Swimming Hall of Fame in Fort Lauderdale, Florida in 1983.