| Event: | Women's 400 metre freestyle |
| Games: | 1999 |
| Venue: | Pan Am Pool |
| Dates: | August 4 (preliminaries and finals) |
| Competitors: | - |
| Nations: | - |
| Win Label: | Winning score |
| Gold: | Kaitlin Sandeno |
| Goldnoc: | USA |
| Silver: | Janelle Atkinson |
| Silvernoc: | JAM |
| Bronze: | Joanne Malar |
| Bronzenoc: | CAN |
| Prev: | 1995 |
| Next: | 2003 |
The women's 400 metre freestyle 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 Brooke Bennett of US.[2] [3] [4] [5] [6] [7]
This race consisted of eight lengths of the pool, with all eight being in the freestyle stroke.[8]
All times are in minutes and seconds.
The first round was held on August 4.
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 1 | 4:16.89 | Q | |||
| 2 | - | - | - | Q | |
| 3 | 4:18.97 | Q | |||
| 4 | 4:19.84 | Q | |||
| 5 | - | - | - | Q | |
| 6 | - | - | - | Q | |
| 7 | - | - | - | Q | |
| 8 | - | - | - | Q |
The B final was held on August 4.[9]
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 9 | 4:35.70 | ||||
| 10 | 4:38.83 |
The A final was held on August 4.
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 4:10.74 | |||||
| 4:10.83 | |||||
| 4:12.64 | |||||
| 4 | 4:16.79 | ||||
| 5 | 4:19.47 | ||||
| 6 | 4:19.75 | ||||
| 7 | 4:24.66 | ||||
| 8 | 4:25.18 |