The women's 100 metre backstroke competition of the swimming events at the 1951 Pan American Games took place on 2 March.
The men's 200 metre backstroke competition of the swimming events at the 1979 Pan American Games took place on 5 July at the Piscina Olimpica Del Escambron. The last Pan American Games champion was Dan Harrigan of US.
The men's 200 metre individual medley competition of the swimming events at the 1979 Pan American Games took place on 6 July at the Piscina Olimpica Del Escambron. The last Pan American Games champion was Steve Furniss of US.
The women's 100 metre backstroke competition of the swimming events at the 1979 Pan American Games took place on 3 July at the Piscina Olimpica Del Escambron. The last Pan American Games champion was Lynn Chénard of Canada.
The women's 200 metre backstroke competition of the swimming events at the 1979 Pan American Games took place on 6 July at the Piscina Olimpica Del Escambron. The last Pan American Games champion was Donna Wennerstrom of US.
The women's 200 metre individual medley competition of the swimming events at the 1979 Pan American Games took place on 2 July at the Piscina Olimpica Del Escambron. The last Pan American Games champion was Kathy Heddy of the United States.
The men's 100 metre backstroke competition of the swimming events at the 1983 Pan American Games took place on 21 August. The last Pan American Games champion was Bob Jackson of the United States.
The men's 200 metre backstroke competition of the swimming events at the 1983 Pan American Games took place on 19 August. The last Pan American Games champion was Peter Rocca of US.
The women's 100 metre backstroke competition of the swimming events at the 1983 Pan American Games took place on 19 August. The last Pan American Games champion was Linda Jezek of US.
The women's 200 metre backstroke competition of the swimming events at the 1983 Pan American Games took place on 22 August. The last Pan American Games champion was Linda Jezek of US.
The men's 100 metre backstroke competition of the swimming events at the 1991 Pan American Games took place on 17 August. The last Pan American Games champion was Andrew Gill of US.
The women's 100 metre backstroke competition of the swimming events at the 1991 Pan American Games took place on 14 August. The last Pan American Games champion was Silvia Poll of Costa Rica.
The women's 200 metre backstroke competition of the swimming events at the 1991 Pan American Games took place on 18 August. The last Pan American Games champion was Katie Welch of US.
The mens' 100 metre backstroke competition of swimming events at the 1995 Pan American Games took place between March 12–17 at the Complejo Natatorio. The last Pan American Games champion was Andrew Gill of the United States.
The women's 100 metre backstroke competition of the swimming events at the 1995 Pan American Games took place between March 12–17 at the Complejo Natatorio. The last Pan American Games champion was Silvia Poll of Costa Rica.
The women's 200 metre backstroke competition of the swimming events at the 1995 Pan American Games took place between March 12–17 at the Complejo Natatorio. The last Pan American Games champion was Diana Trimble of US.
The men's 100 metre backstroke competition of the swimming events at the 1999 Pan American Games took place on 6 August at the Pan Am Pool. The last Pan American Games champion was Jeff Rouse of US.
The men's 200 metre backstroke competition of the swimming events at the 1999 Pan American Games took place on 4 August at the Pan Am Pool. The last Pan American Games champion was Brad Bridgewater of US.
The women's 100 metre backstroke competition of the swimming events at the 1999 Pan American Games took place on 4 August at the Pan Am Pool. The last Pan American Games champion was Barbara Bedford of US.
The women's 200 metre backstroke competition of the swimming events at the 1999 Pan American Games took place on 7 August at the Pan Am Pool. The last Pan American Games champion was Barbara Bedford of US.
