| Event: | Women's 100 metre backstroke |
| Games: | 1999 |
| Venue: | Pan Am Pool |
| Dates: | August 4 (preliminaries and finals) |
| Competitors: | - |
| Nations: | - |
| Win Label: | Winning score |
| Gold: | Kelly Stefanyshyn |
| Goldnoc: | CAN |
| Silver: | Denali Knapp |
| Silvernoc: | USA |
| Bronze: | Beth Botsford |
| Bronzenoc: | USA |
| Prev: | 1995 |
| Next: | 2003 |
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.[1] The last Pan American Games champion was Barbara Bedford of US.[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 August 4.
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 1 | 1:02.78 | Q | |||
| 2 | - | - | - | Q | |
| 3 | - | - | - | Q | |
| 4 | 1:03.43 | Q | |||
| 5 | - | - | - | Q | |
| 6 | - | - | - | Q | |
| 7 | - | - | - | Q | |
| 8 | - | - | - | Q |
The B final was held on August 4.[9]
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 9 | 1:09.44 | ||||
| 10 | 1:09.80 | ||||
| 11 | 1:10.21 | ||||
| 12 | 1:11.67 |
The A final was held on August 4.
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 1:02.14 | |||||
| 1:02.45 | |||||
| 1:02.48 | |||||
| 4 | 1:02.91 | ||||
| 5 | 1:03.57 | ||||
| 6 | 1:03.83 | ||||
| 7 | 1:05.25 | ||||
| 8 | 1:07.88 |