| Competition | 2025 World Aquatics Championships | 
|---|---|
| Venue | 
Singapore
 | 
| Held | 27 July 2025 | 
| Status | Medal | 
| Competitors | 30 | 
| Countries | 23 | 
| Pos | Athlete(s) | Country | Preliminary Round | Final | ||
|---|---|---|---|---|---|---|
| 🥇 | Summer McIntosh | 4:03.11 (2 h4)  | 
3:56.26 (1 F)  | 
|||
| 🥈 | Li Bingjie | 4:03.11 (2 h3)  | 
3:58.21 (2 F)  | 
|||
| 🥉 | Katie Ledecky | 4:01.04 (1 h3)  | 
3:58.49 (3 F)  | 
|||
| 4 | Lani Pallister | 4:02.36 (1 h4)  | 
3:58.87 (4 F)  | 
|||
| 5 | Isabel Gose | 4:05.07 (4 h4)  | 
4:02.90 (5 F)  | 
|||
| 6 | Jamie Perkins | 4:04.39 (3 h4)  | 
4:03.20 (6 F)  | 
|||
| 7 | Yang Peiqi | 4:03.36 (3 h3)  | 
4:06.47 (7 F)  | 
|||
| 8 | Maya Werner | 4:06.75 (5 h4)  | 
4:09.38 (8 F)  | 
|||
| 9 | Mafê Costa | 4:07.32 (4 h3)  | 
— | |||
| 10 | Sofya Dyakova Team: NAB  | 
4:08.65 (5 h3)  | 
— | |||
| 11 | Miyu Namba | 4:08.72 (6 h3)  | 
— | |||
| 12 | Ichika Kajimoto | 4:08.79 (7 h3)  | 
— | |||
| 13 | Gan Ching Hwee | 4:09.81 (1 h2)  | 
— | |||
| 14 | Eve Thomas | 4:10.10 (6 h4)  | 
— | |||
| 15 | Francisca Martins | 4:10.16 (7 h4)  | 
— | |||
| 16 | Gabi Roncatto | 4:10.37 (8 h4)  | 
— | |||
| 17 | Ella Jansen | 4:11.01 (9 h4)  | 
— | |||
| 18 | Park Hee-Kyung | 4:12.86 (2 h2)  | 
— | |||
| 19 | Anastasiya Kirpichnikova | 4:13.92 (8 h3)  | 
— | |||
| 20 | Bettina Fábián | 4:14.31 (9 h3)  | 
— | |||
| 21 | Thilda Häll | 4:16.07 (3 h2)  | 
— | |||
| 22 | Delfina Dini | 4:16.81 (4 h2)  | 
— | |||
| 23 | Camille Henveaux | 4:16.93 (5 h2)  | 
— | |||
| 24 | Sasha Gatt | 4:19.36 (1 h1)  | 
— | |||
| 25 | Batbayaryn Enkhkhüslen | 4:19.80 (6 h2)  | 
— | |||
| 26 | MarÃa Yegres | 4:20.02 (7 h2)  | 
— | |||
| 27 | Hannah Robertson | 4:22.69 (8 h2)  | 
— | |||
| 28 | Kyra Rabess | 4:23.08 (2 h1)  | 
— | |||
| 29 | Jehanara Nabi | 4:35.88 (3 h1)  | 
— | |||
| DQ | Erika Fairweather | — (DQ h3)  | 
— | |||
| DNS | Claire WeinsteinDNS | — (DNS h4)  | 
— | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Sasha Gatt | 4:19.36 | ||
| 2 | Kyra Rabess | 4:23.08 | ||
| 3 | Jehanara Nabi | 4:35.88 | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Gan Ching Hwee | 4:09.81 | ||
| 2 | Park Hee-Kyung | 4:12.86 | ||
| 3 | Thilda Häll | 4:16.07 | ||
| 4 | Delfina Dini | 4:16.81 | ||
| 5 | Camille Henveaux | 4:16.93 | ||
| 6 | Batbayaryn Enkhkhüslen | 4:19.80 | ||
| 7 | MarÃa Yegres | 4:20.02 | ||
| 8 | Hannah Robertson | 4:22.69 | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Katie Ledecky | 4:01.04 | ||
| 2 | Li Bingjie | 4:03.11 | ||
| 3 | Yang Peiqi | 4:03.36 | ||
| 4 | Mafê Costa | 4:07.32 | ||
| 5 | Sofya Dyakova Team: NAB  | 
4:08.65 | ||
| 6 | Miyu Namba | 4:08.72 | ||
| 7 | Ichika Kajimoto | 4:08.79 | ||
| 8 | Anastasiya Kirpichnikova | 4:13.92 | ||
| 9 | Bettina Fábián | 4:14.31 | ||
| DQ | Erika Fairweather | — | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Lani Pallister | 4:02.36 | ||
| 2 | Summer McIntosh | 4:03.11 | ||
| 3 | Jamie Perkins | 4:04.39 | ||
| 4 | Isabel Gose | 4:05.07 | ||
| 5 | Maya Werner | 4:06.75 | ||
| 6 | Eve Thomas | 4:10.10 | ||
| 7 | Francisca Martins | 4:10.16 | ||
| 8 | Gabi Roncatto | 4:10.37 | ||
| 9 | Ella Jansen | 4:11.01 | ||
| DNS | Claire WeinsteinDNS | — | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Summer McIntosh | 3:56.26 | ||
| 2 | Li Bingjie | 3:58.21 | ||
| 3 | Katie Ledecky | 3:58.49 | ||
| 4 | Lani Pallister | 3:58.87 | ||
| 5 | Isabel Gose | 4:02.90 | ||
| 6 | Jamie Perkins | 4:03.20 | ||
| 7 | Yang Peiqi | 4:06.47 | ||
| 8 | Maya Werner | 4:09.38 |