| Event: | Men's 400 metre freestyle |
| Games: | 1979 |
| Venue: | Piscina Olimpica Del Escambron |
| Dates: | July 5 (preliminaries and finals) |
| Competitors: | - |
| Nations: | - |
| Win Label: | Winning score |
| Gold: | Brian Goodell |
| Goldnoc: | USA |
| Silver: | Djan Madruga |
| Silvernoc: | BRA |
| Bronze: | Peter Szmidt |
| Bronzenoc: | CAN |
| Prev: | 1975 |
| Next: | 1983 |
The men's 400 metre freestyle competition of the swimming events at the 1979 Pan American Games took place on 5 July at the Piscina Olimpica Del Escambron.[1] The last Pan American Games champion was Douglas Northway 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 5.
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 1 | 3:58.72 | Q | |||
| 2 | 3:58.78 | Q | |||
| 3 | 4:00.83 | Q | |||
| 4 | 4:00.84 | Q | |||
| 5 | 4:03.72 | Q | |||
| 6 | 4:04.85 | Q | |||
| 7 | 4:06.52 | Q | |||
| 8 | 4:07.07 | Q, NR | |||
| 9 | 4:07.24 | NR | |||
| 10 | 4:07.45 | NR | |||
| 11 | 4:09.23 | ||||
| 12 | 4:10.63 | ||||
| 13 | 4:12.13 | ||||
| 14 | 4:13.78 | ||||
| 15 | 4:18.12 | NR | |||
| 16 | 4:22.65 | ||||
| 17 | 4:24.46 | ||||
| 18 | 4:27.89 | NR |
The final was held on July 5.
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 3:53.01 | NR, GR | ||||
| 3:57.46 | |||||
| 3:58.34 | |||||
| 4 | 3:59.21 | ||||
| 5 | 4:00.07 | ||||
| 6 | 4:02.86 | NR | |||
| 7 | 4:06.52 | NR | |||
| 8 | 4:12.20 |