| Event: | Women's 100 metre backstroke |
| Games: | 1979 |
| Venue: | Piscina Olimpica Del Escambron |
| Dates: | July 3 (preliminaries and finals) |
| Competitors: | - |
| Nations: | - |
| Win Label: | Winning score |
| Gold: | Linda Jezek |
| Goldnoc: | USA |
| Silver: | Cheryl Gibson |
| Silvernoc: | CAN |
| Bronze: | Teresa Rivera |
| Bronzenoc: | MEX |
| Prev: | 1975 |
| Next: | 1983 |
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.[1] The last Pan American Games champion was Lynn Chénard of Canada.[2] [3] [4] [5] [6] [7]
This race consisted of two lengths of the pool, all in backstroke.[8]
All times are in minutes and seconds.
The first round was held on July 3.
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 1 | 1:04.53 | Q | |||
| 2 | 1:05.06 | Q | |||
| 3 | 1:06.23 | Q | |||
| 4 | 1:08.22 | Q | |||
| 5 | 1:08.88 | Q | |||
| 6 | 1:09.64 | Q | |||
| 7 | 1:09.73 | Q | |||
| 8 | 1:10.43 | Q | |||
| 9 | 1:12.00 | ||||
| 10 | 1:13.20 | ||||
| 11 | 1:13.40 | NR | |||
| 12 | 1:13.42 | ||||
| 13 | 1:15.97 | ||||
| 14 | 1:16.00 |
The final was held on July 3.
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 1:03.33 | NR, GR | ||||
| 1:05.17 | |||||
| 1:06.86 | NR | ||||
| 4 | 1:07.81 | ||||
| 5 | 1:09.45 | ||||
| 6 | 1:09.57 | ||||
| 7 | 1:09.99 | ||||
| 8 | DQ |