| Women's 100 metre freestyle at the I Pan American Games | ||||||||||
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| Venue | - | |||||||||
| Dates | March 2 (preliminaries and finals) | |||||||||
| Medalists | ||||||||||
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«- 1955» | ||||||||||
The women's 100 metre backstroke competition of the swimming events at the 1951 Pan American Games took place on 2 March. [1] [2] [3] [4] [5] [6] [7] [8]
This race consisted of two lengths of the pool, all in backstroke. [9]
All times are in minutes and seconds.
| KEY: | q | Fastest non-qualifiers | Q | Qualified | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best |
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The final was held on March 2. [1]
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
 | Maureen O'Brien |  United States | 1:18.5 | |
 | Sheila Donahue | United States | 1:20.5 | |
 | Magda Bruggeman |  Mexico | 1:21.4 | |
| 4 | - | - | - | |
| 5 | - | - | - | |
| 6 | Ana de Santa Rita |  Brazil | 1:22.4 | |
| 7 | Idamys Busin | Brazil | 1:22.8 | |
| 8 | - | - | - |
The men's 200 metre backstroke competition of the swimming events at the 1971 Pan American Games took place on 8 August. The last Pan American Games champion was Ralph Hutton of Canada.
The men's 200 metre backstroke competition of the swimming events at the 1971 Pan American Games took place on 8 August. The last Pan American Games champion was José Fiolo of Brazil.
The women's 100 metre backstroke competition of the swimming events at the 1971 Pan American Games took place on 7 August. The last Pan American Games champion was Elaine Tanner of Canada.
The men's 100 metre backstroke competition of the swimming events at the 1971 Pan American Games took place on 6 August. The last Pan American Games champion was Don Schollander of US.
The women's 200 metre backstroke competition of the swimming events at the 1971 Pan American Games took place on 9 August. The last Pan American Games champion was Elaine Tanner of Canada.
The men's 200 metre individual medley competition of the swimming events at the 1971 Pan American Games took place on 9 August. The last Pan American Games champion was Doug Russell of US.
The women's 100 metre backstroke competition of the swimming events at the 1975 Pan American Games took place on 20 October. The last Pan American Games champion was Donna Gurr of Canada.
The men's 200 metre backstroke competition of the swimming events at the 1975 Pan American Games took place on 21 October. The last Pan American Games champion was Charlie Campbell of the United States.
The men's 200 metre individual medley competition of the swimming events at the 1975 Pan American Games took place on 22 October. The last Pan American Games champion was Steve Furniss of the United States.
The women's 200 metre backstroke competition of the swimming events at the 1975 Pan American Games took place on 22 October. The last Pan American Games champion was Donna Gurr of Canada.
The men's 100 metre backstroke competition of the swimming events at the 1975 Pan American Games took place on 19 October. The last Pan American Games champion was Mel Nash of US.
The women's 200 metre individual medley competition of the swimming events at the 1975 Pan American Games took place on 19 October. The last Pan American Games champion was Leslie Cliff of Canada.
The women's 100 metre backstroke competition of the swimming events at the 1967 Pan American Games took place on 27 July at the Pan Am Pool. The last Pan American Games champion was Nina Harmer of US.
The men's 100 metre backstroke competition of the swimming events at the 1959 Pan American Games took place on 1 September (preliminaires) and 3 September (finals). The last Pan American Games champion was Frank McKinney of US.
The women's 100 metre backstroke competition of the swimming events at the 1959 Pan American Games took place on 5 September (preliminaries) and 6 September (final). The last Pan American Games champion was Leonore Fisher of Canada.
The men's 100 metre backstroke competition of the swimming events at the 1955 Pan American Games took place on 23 March. The last Pan American Games champion was Allen Stack of US.
The women's 100 metre backstroke competition of the swimming events at the 1955 Pan American Games took place on 24 March. The last Pan American Games champion was Maureen O'Brien of US.
The women's 200 metre freestyle competition of the swimming events at the 1951 Pan American Games took place on 2 March.
The men's 100 metre backstroke competition of the swimming events at the 1951 Pan American Games took place on 5 March.
The men's 200 metre breaststroke competition of the swimming events at the 1951 Pan American Games took place on 6 March.
