| Competition | 2013 World Junior Swimming Championships | 
|---|---|
| Venue | Dubai | 
| Held | 26 August 2013 | 
| Status | Medal | 
| Competitors | 82 | 
| Countries | 20 | 
| Pos | Athlete(s) | Country | Preliminary Round | Final | ||
|---|---|---|---|---|---|---|
| 🥇 | Australia | 3:19.49 (1 h1) | 3:16.96 (1 F) | |||
| Luke Percy | 49.33 | 49.14 | ||||
| Regan Leong | 49.18 | 49.11 | ||||
| Blake Jones | 50.88 | 49.38 | ||||
| Mack Horton | — | 49.33 | ||||
| Cameron Jones | 50.10 | — | * | |||
| 🥈 | United States | 3:22.11 (1 h2) | 3:19.21 (2 F) | |||
| Paul Powers | 50.43 | 49.94 | ||||
| Brett Ringgold | 50.48 | 50.33 | ||||
| Kyle Gornay | 50.71 | 50.65 | ||||
| Caeleb Dressel | — | 48.29 | ||||
| Justin Lynch | 50.49 | — | * | |||
| 🥉 | Russia | 3:21.17 (2 h1) | 3:19.57 (3 F) | |||
| Yevgeny Sedov | 49.25 | 49.27 | ||||
| Ivan Kuzmenko | 50.09 | 49.98 | ||||
| Daniil Melyanenkov | 50.71 | 50.68 | ||||
| Sergey Tarkhanov | 51.12 | 49.64 | ||||
| 4 | Canada | 3:22.63 (3 h1) | 3:21.06 (4 F) | |||
| Bryce Kwiecien-Delaney | 51.23 | 50.71 | ||||
| Evan White | 50.75 | 50.21 | ||||
| Stefan Milošević | 50.71 | 50.31 | ||||
| Yuri Kisil | 49.94 | 49.83 | ||||
| 5 | Brazil | 3:22.92 (2 h2) | 3:21.35 (5 F) | |||
| Gabriel Santos | 51.04 | 50.84 | ||||
| Pedro Spajari | 50.36 | 49.49 | ||||
| Felipe de Souza | 50.65 | 50.38 | ||||
| Gustavo Louzada | 50.87 | 50.64 | ||||
| 6 | Poland | 3:23.02 (4 h1) | 3:21.70 (6 F) | |||
| Jan Hołub | 50.73 | 50.06 | ||||
| Rafał Bugdol | 51.71 | 51.74 | ||||
| Maciej Falaciński | 50.83 | 50.67 | ||||
| Sebastian Szczepański | 49.75 | 49.23 | ||||
| 7 | South Africa | 3:23.00 (3 h2) | 3:23.63 (7 F) | |||
| Caydon Muller | 50.45 | 50.37 | ||||
| Calvyn Justus | 50.89 | 51.05 | ||||
| Clayton Jimmie | 50.30 | 50.90 | ||||
| Chris Reid | 51.36 | 51.31 | ||||
| 8 | Japan | 3:24.43 (4 h2) | 3:24.17 (8 F) | |||
| Toru Maruyama | 50.45 | 50.44 | ||||
| Keita Sunama | 50.69 | 50.35 | ||||
| Takaya Yasue | 51.29 | 51.29 | ||||
| Masato Sakai | 52.00 | 52.09 | ||||
| 9 | Venezuela | 3:25.74 (5 h1) | — | |||
| Andrés Doria | 52.53 | — | ||||
| Jesús López | 50.71 | — | ||||
| Cherly Sánchez | 51.79 | — | ||||
| Miguel Pérez | 50.71 | — | ||||
| 10 | Germany | 3:26.26 (5 h2) | — | |||
| Marek Ulrich | 52.14 | — | ||||
| Damian Wierling | 50.82 | — | ||||
| Poul Zellmann | 51.58 | — | ||||
| Alexander Kunert | 51.72 | — | ||||
| 11 | Mexico | 3:28.29 (6 h1) | — | |||
| Lorenzo Loria | 51.36 | — | ||||
| Sebastián Aguilera | 53.15 | — | ||||
| Mateo González | 52.21 | — | ||||
| Julio Olvera | 51.57 | — | ||||
| 12 | Turkey | 3:30.37 (6 h2) | — | |||
| Hüsnü Kartal | 54.41 | — | ||||
| Mustafa Atay | 51.44 | — | ||||
| Deniz Palalar | 52.74 | — | ||||
| Kaan Ayar | 51.78 | — | ||||
| 13 | Egypt | 3:32.22 (7 h1) | — | |||
| Ahmed Akram | 52.22 | — | ||||
| Mazen El-Kamash | 52.90 | — | ||||
| Marwan El-Amrawy | 53.47 | — | ||||
| Ihab Salem Salem | 53.63 | — | ||||
| 14 | Argentina | 3:34.63 (8 h1) | — | |||
| Nehen Garay | 54.22 | — | ||||
| Santi Grassi | 53.89 | — | ||||
| Felipe Vargas | 54.51 | — | ||||
| Guido Buscaglia | 52.01 | — | ||||
| 15 | China | 3:42.67 (7 h2) | — | |||
| Jiang Junjian | 53.97 | — | ||||
| Shao Guanhua | 56.56 | — | ||||
| Wu Si | 56.60 | — | ||||
| Shen Zeyu | 55.54 | — | ||||
| 16 | Hong Kong | 3:45.27 (8 h2) | — | |||
| Kwok Ka Fai | 59.27 | — | ||||
| Kwong Ka Ho | 53.11 | — | ||||
| Li Long Yin | 56.39 | — | ||||
| Ho Tin Long | 56.50 | — | ||||
| 17 | Macau | 3:51.24 (9 h2) | — | |||
| Che Meng Tou | 58.03 | — | ||||
| Che Chin Ngou | 59.24 | — | ||||
| Chao Man Kit | 56.49 | — | ||||
| Jeffrey Jin | 57.48 | — | ||||
| 18 | India | 3:51.52 (9 h1) | — | |||
| Mohammed Yaqoob Saleem | 57.01 | — | ||||
| Babu Pranam | 57.73 | — | ||||
| Rana Bobby | 58.58 | — | ||||
| Manoj Kunte Mitesh | 58.20 | — | ||||
| 19 | Papua New Guinea | 4:09.50 (10 h2) | — | |||
| Ben Cross | 1:03.38 | — | ||||
| Collin Akara | 1:01.33 | — | ||||
| Benedict Aika | 1:01.33 | — | ||||
| Nathan Tukana | 1:03.46 | — | ||||
| 20 | Angola | 4:11.71 (10 h1) | — | |||
| Marcio Fernandes | 1:03.50 | — | ||||
| Richard Fernandes | 1:05.45 | — | ||||
| Marin Cipic | 1:00.12 | — | ||||
| Dehnis Cruz | 1:02.64 | — | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Australia | 3:16.96 | ||
| Luke Percy | 49.14 | |||
| Regan Leong | 49.11 | |||
| Blake Jones | 49.38 | |||
| Mack Horton | 49.33 | |||
| Cameron Jones | — | |||
| 2 | United States | 3:19.21 | ||
| Paul Powers | 49.94 | |||
| Brett Ringgold | 50.33 | |||
| Kyle Gornay | 50.65 | |||
| Caeleb Dressel | 48.29 | |||
| Justin Lynch | — | |||
| 3 | Russia | 3:19.57 | ||
| Yevgeny Sedov | 49.27 | |||
| Ivan Kuzmenko | 49.98 | |||
| Daniil Melyanenkov | 50.68 | |||
| Sergey Tarkhanov | 49.64 | |||
| 4 | Canada | 3:21.06 | ||
| Bryce Kwiecien-Delaney | 50.71 | |||
| Evan White | 50.21 | |||
| Stefan Milošević | 50.31 | |||
| Yuri Kisil | 49.83 | |||
| 5 | Brazil | 3:21.35 | ||
| Gabriel Santos | 50.84 | |||
| Pedro Spajari | 49.49 | |||
| Felipe de Souza | 50.38 | |||
| Gustavo Louzada | 50.64 | |||
| 6 | Poland | 3:21.70 | ||
| Jan Hołub | 50.06 | |||
| Rafał Bugdol | 51.74 | |||
| Maciej Falaciński | 50.67 | |||
| Sebastian Szczepański | 49.23 | |||
| 7 | South Africa | 3:23.63 | ||
| Caydon Muller | 50.37 | |||
| Calvyn Justus | 51.05 | |||
| Clayton Jimmie | 50.90 | |||
| Chris Reid | 51.31 | |||
| 8 | Japan | 3:24.17 | ||
| Toru Maruyama | 50.44 | |||
| Keita Sunama | 50.35 | |||
| Takaya Yasue | 51.29 | |||
| Masato Sakai | 52.09 |