| Event: | Men's 400 metre freestyle |
| Competition: | 2013 World Aquatics Championships |
| Venue: | Palau Sant Jordi |
| Dates: | July 28, 2013 (heats & final) |
| Competitors: | 48 |
| Nations: | 43 |
| Win Value: | 3:41.59 |
| Gold: | Sun Yang |
| Goldnoc: | CHN |
| Silver: | Kosuke Hagino |
| Silvernoc: | JPN |
| Bronze: | Connor Jaeger |
| Bronzenoc: | USA |
| Prev: | 2011 |
| Next: | 2015 |
The men's 400 metre freestyle event in swimming at the 2013 World Aquatics Championships took place on 28 July at the Palau Sant Jordi in Barcelona, Spain.[1] [2]
Prior to this competition, the existing world and championship records were:
The heats were held at 10:16.[3]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 5 | 4 | 3:44.67 | Q | |||
| 2 | 5 | 6 | 3:45.74 | Q | |||
| 3 | 5 | 5 | 3:46.85 | Q | |||
| 4 | 3 | 4 | 3:46.92 | Q | |||
| 5 | 5 | 7 | 3:47.17 | Q | |||
| 6 | 3 | 5 | 3:47.49 | Q | |||
| 7 | 4 | 5 | 3:47.83 | Q | |||
| 8 | 3 | 6 | 3:47.86 | Q | |||
| 9 | 3 | 3 | 3:47.99 | ||||
| 10 | 4 | 6 | 3:48.25 | ||||
| 11 | 4 | 7 | 3:49.45 | ||||
| 12 | 4 | 4 | 3:49.51 | ||||
| 13 | 5 | 3 | 3:49.74 | ||||
| 14 | 4 | 2 | 3:49.78 | ||||
| 15 | 4 | 1 | 3:50.22 | ||||
| 16 | 4 | 3 | 3:50.87 | ||||
| 17 | 3 | 1 | 3:51.04 | ||||
| 18 | 5 | 2 | 3:51.90 | ||||
| 19 | 5 | 0 | 3:51.98 | ||||
| 20 | 3 | 7 | 3:52.03 | ||||
| 21 | 2 | 3 | 3:53.10 | ||||
| 22 | 3 | 2 | 3:53.26 | ||||
| 23 | 5 | 8 | 3:53.60 | ||||
| 24 | 2 | 5 | 3:53.80 | NR | |||
| 25 | 5 | 1 | 3:53.92 | ||||
| 26 | 1 | 8 | 3:54.47 | ||||
| 27 | 2 | 6 | 3:54.67 | NR | |||
| 28 | 2 | 1 | 3:56.29 | ||||
| 28 | 2 | 2 | 3:56.29 | ||||
| 30 | 4 | 9 | 3:56.68 | ||||
| 31 | 5 | 9 | 3:57.28 | ||||
| 32 | 3 | 8 | 3:57.32 | ||||
| 33 | 2 | 4 | 3:57.37 | ||||
| 34 | 4 | 8 | 3:57.65 | ||||
| 35 | 3 | 0 | 3:58.27 | ||||
| 36 | 4 | 0 | 3:58.92 | ||||
| 37 | 3 | 9 | 3:59.08 | ||||
| 38 | 1 | 4 | 3:59.29 | NR | |||
| 39 | 2 | 7 | 4:02.21 | ||||
| 40 | 2 | 0 | 4:02.28 | ||||
| 41 | 2 | 9 | 4:03.01 | ||||
| 42 | 1 | 5 | 4:07.70 | ||||
| 43 | 2 | 8 | 4:13.91 | ||||
| 44 | 1 | 3 | 4:20.85 | ||||
| 45 | 1 | 7 | 4:22.67 | ||||
| 46 | 1 | 6 | 4:27.25 | ||||
| 47 | 1 | 1 | 4:29.60 | ||||
| 48 | 1 | 2 | 4:29.94 |
The final was held at 18:13.[4]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 4 | 3:41.59 | |||||
| 6 | 3:44.82 | |||||
| 1 | 3:44.85 | |||||
| 4 | 5 | 3:45.02 | ||||
| 5 | 8 | 3:47.96 | ||||
| 6 | 2 | 3:48.40 | ||||
| 6 | 3 | 3:48.40 | ||||
| 8 | 7 | 3:48.88 |