| Event: | Men's 400 metre freestyle |
| Championship: | 2022 World Aquatics Championships |
| Dates: | 18 June (heats and final) |
| Venue: | Danube Arena |
| Location: | Budapest, Hungary |
| Competitors: | 42 |
| Nations: | 37 |
| Win Value: | 3:41.22 |
| Gold: | Elijah Winnington |
| Gold Nation: | AUS |
| Silver: | Lukas Märtens |
| Silver Nation: | GER |
| Bronze: | Guilherme Costa |
| Bronze Nation: | BRA |
| Prev: | 2019 |
| Next: | 2023 |
The Men's 400 metre freestyle competition at the 2022 World Aquatics Championships was held on 18 June 2022.[1] [2]
Prior to the competition, the existing world and championship records were as follows.
The heats were started at 09:16.[3]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 4 | 5 | 3:43.83 | Q, NR | |||
| 2 | 4 | 4 | 3:44.42 | Q | |||
| 3 | 4 | 2 | 3:44.52 | Q, SA | |||
| 4 | 5 | 4 | 3:45.04 | Q | |||
| 5 | 4 | 3 | 3:45.70 | Q | |||
| 6 | 3 | 4 | 3:45.87 | Q | |||
| 7 | 4 | 1 | 3:46.12 | Q | |||
| 8 | 5 | 6 | 3:46.47 | Q | |||
| 9 | 5 | 3 | 3:46.57 | ||||
| 10 | 5 | 2 | 3:46.90 | ||||
| 11 | 5 | 5 | 3:47.17 | ||||
| 12 | 5 | 7 | 3:47.19 | ||||
| 13 | 5 | 8 | 3:47.21 | ||||
| 14 | 4 | 7 | 3:48.66 | ||||
| 15 | 3 | 2 | 3:48.72 | NR | |||
| 16 | 3 | 9 | 3:49.87 | ||||
| 17 | 3 | 5 | 3:49.93 | ||||
| 18 | 4 | 6 | 3:50.03 | ||||
| 19 | 5 | 1 | 3:50.18 | ||||
| 20 | 5 | 0 | 3:50.62 | ||||
| 21 | 3 | 6 | 3:50.77 | ||||
| 22 | 3 | 8 | 3:51.50 | ||||
| 23 | 4 | 8 | 3:51.84 | ||||
| 24 | 4 | 9 | 3:52.92 | ||||
| 25 | 5 | 9 | 3:53.55 | ||||
| 26 | 4 | 0 | 3:54.05 | ||||
| 27 | 2 | 5 | 3:54.63 | ||||
| 28 | 2 | 1 | 3:55.64 | ||||
| 29 | 3 | 0 | 3:56.52 | ||||
| 30 | 3 | 1 | 3:56.59 | ||||
| 31 | 2 | 2 | 3:56.96 | ||||
| 32 | 3 | 7 | 3:58.38 | ||||
| 33 | 2 | 3 | 3:59.69 | ||||
| 34 | 2 | 4 | 4:00.67 | ||||
| 35 | 2 | 6 | 4:02.01 | ||||
| 36 | 2 | 7 | 4:02.64 | ||||
| 37 | 2 | 8 | 4:02.93 | ||||
| 38 | 2 | 0 | 4:04.57 | ||||
| 39 | 2 | 9 | 4:16.22 | ||||
| 40 | 1 | 3 | 4:18.03 | ||||
| 41 | 1 | 4 | 4:23.59 | ||||
| 42 | 1 | 5 | 4:26.82 | ||||
| 3 | 3 | ||||||
The final was held at 18:02.[4]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 5 | 3:41.22 | |||||
| 6 | 3:42.85 | |||||
| 3 | 3:43.31 | SA | ||||
| 4 | 4 | 3:43.58 | NR | |||
| 5 | 8 | 3:44.14 | ||||
| 6 | 7 | 3:45.64 | ||||
| 7 | 2 | 3:46.43 | ||||
| 8 | 1 | 3:46.53 |