The men's 200 metre butterfly 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 Greg Jagenburg of US.
The Women's 200m Butterfly competition of the swimming events at the 1979 Pan American Games took place on 7 July at the Piscina Olimpica Del Escambron in San Juan, Puerto Rico. The last Pan American Games champion was Camille Wright of US.
The men's 200 metre butterfly competition of the swimming events at the 1983 Pan American Games took place on 21 August. The last Pan American Games champion was Craig Beardsley of the United States.
The men's 400 metre individual medley competition of the swimming events at the 1983 Pan American Games took place on 18 August. The last Pan American Games champion was Jesse Vassallo of US.
The women's 200 metre butterfly competition of the swimming events at the 1983 Pan American Games took place on 22 August. The last Pan American Games champion was Mary T. Meagher of US.
The women's 400 metre individual medley competition of the swimming events at the 1983 Pan American Games took place on 17 August. The last Pan American Games champion was Tracy Caulkins of US.
The men's 400 metre individual medley competition of the swimming events at the 1987 Pan American Games took place on 10 August at the Indiana University Natatorium. The last Pan American Games champion was Ricardo Prado of Brazil.
The women's 200 metre butterfly competition of the swimming events at the 1987 Pan American Games took place on 15 August at the Indiana University Natatorium. The last Pan American Games champion was Mary T. Meagher of US.
The women's 200 metre individual medley competition of the swimming events at the 1987 Pan American Games took place on 14 August at the Indiana University Natatorium. The last Pan American Games champion was Tracy Caulkins of US.
The women's 400 metre individual medley competition of the swimming events at the 1987 Pan American Games took place on 9 August at the Indiana University Natatorium. The last Pan American Games champion was Tracy Caulkins of US.
The men's 200 metre butterfly competition of the swimming events at the 1991 Pan American Games took place on 17 August. The last Pan American Games champion was Bill Stapleton of US.
The men's 400 metre individual medley competition of the swimming events at the 1991 Pan American Games took place on 13 August. The last Pan American Games champion was Jerry Frentsos of US.
The women's 200 metre butterfly competition of the swimming events at the 1991 Pan American Games took place on 18 August. The last Pan American Games champion was Kara McGrath of US.
The women's 400 metre individual medley competition of the swimming events at the 1991 Pan American Games took place on 12 August. The last Pan American Games champion was Tami Bruce of US.
The men's 200 metre butterfly 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 Mark Dean of US.
The women's 200 metre butterfly 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 Susan Gottlieb of US.
The men's 200 metre butterfly 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 Nelson Mora of Venezuela.
The men's 400 metre individual medley competition of the swimming events at the 1999 Pan American Games took place on 3 August at the Pan Am Pool. The last Pan American Games champion was Curtis Myden of Canada.
The women's 200 metre butterfly 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 Trina Jackson of US.
The women's 400 metre individual medley competition of the swimming events at the 1999 Pan American Games took place on 2 August at the Pan Am Pool. The last Pan American Games champion was Joanne Malar of Canada.
