Men 4x100 Freestyle Relay · Heats · Aug 19, 2025–Aug 24, 20252025 World Aquatics Junior Swimming Championships
| Place | Swimmer | Time |
|---|---|---|
| 16Heat 1 | Republic of Korea | 3:30.41 |
| 22Heat 1 | Paraguay | 3:38.50 |
| 28Heat 1 | Mongolia | 3:46.40 |
| 32Heat 1 | Seychelles | 3:59.96 |
| —Heat 1 | Kuwait | DNS |
| 19Heat 2 | Bolivia | 3:36.54 |
| 20Heat 2 | Aruba | 3:36.64 |
| 21Heat 2 | Sri Lanka | 3:38.12 |
| 23Heat 2 | Angola | 3:40.24 |
| 25Heat 2 | El Salvador | 3:41.08 |
| 26Heat 2 | Kenya | 3:41.63 |
| 27Heat 2 | Armenia | 3:45.75 |
| 29Heat 2 | Pakistan | 3:47.91 |
| 30Heat 2 | Maldives | 3:58.47 |
| 31Heat 2 | Malawi | 3:59.39 |
| 4Heat 3 | Italy | 3:18.23 |
| 5Heat 3 | Brazil | 3:18.43 |
| 6Heat 3 | Japan | 3:19.35 |
| 8Heat 3 | France | 3:20.33 |
| 9Heat 3 | Australia | 3:20.47 |
| 11Heat 3 | Austria | 3:23.00 |
| 14Heat 3 | Kazakhstan | 3:26.29 |
| 15Heat 3 | Mexico | 3:29.10 |
| 18Heat 3 | Hong Kong, China | 3:34.05 |
| 24Heat 3 | Bahamas | 3:40.52 |
| 1Heat 4 | Great Britain | 3:16.58 |
| 2Heat 4 | United States of America | 3:17.37 |
| 3Heat 4 | Neutral Athletes B | 3:17.59 |
| 7Heat 4 | Canada | 3:19.83 |
| 10Heat 4 | Poland | 3:21.52 |
| 12Heat 4 | South Africa | 3:23.17 |
| 13Heat 4 | Türkiye | 3:23.24 |
| 17Heat 4 | Singapore | 3:31.41 |
SourceResults
Meet source; a separate document for this swim is not linked.