| Event: | Women's 400 metre freestyle |
| Games: | 1979 |
| Venue: | Piscina Olimpica Del Escambron |
| Dates: | July 6 (preliminaries and finals) |
| Competitors: | - |
| Nations: | - |
| Win Label: | Winning score |
| Gold: | Cynthia Woodhead |
| Goldnoc: | USA |
| Silver: | Tracy Caulkins |
| Silvernoc: | USA |
| Bronze: | Wendy Quirk |
| Bronzenoc: | CAN |
| Prev: | 1975 |
| Next: | 1983 |
The women's 400 metre freestyle competition of the swimming events at the 1979 Pan American Games took place on 6 July at the Piscina Olimpica Del Escambron.[1] The last Pan American Games champion was Kathy Heddy 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 July 6.
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 1 | 4:22.44 | Q | |||
| 2 | 4:23.18 | Q | |||
| 3 | 4:23.93 | Q | |||
| 4 | 4:23.94 | Q | |||
| 5 | 4:35.47 | Q | |||
| 6 | 4:35.50 | Q | |||
| 7 | 4:36.26 | Q | |||
| 8 | 4:38.14 | Q | |||
| 9 | 4:38.20 | ||||
| 10 | 4:38.52 | ||||
| 11 | 4:38.84 | ||||
| 12 | 4:39.53 | ||||
| 13 | 4:40.17 | ||||
| 14 | 5:01.75 |
The final was held on July 6.
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 4:10.56 | NR, GR | ||||
| 4:16.13 | |||||
| 4:17.34 | |||||
| 4 | 4:25.45 | ||||
| 5 | 4:28.39 | NR | |||
| 6 | 4:36.86 | ||||
| 7 | 4:37.18 | ||||
| 8 | 4:38.74 |