# 2024 World Aquatics Swimming Championships (25 m) – Women's 4 × 100 metre freestyle relay

The Women's 4 × 100 metre freestyle relay competition of the 2024 World Aquatics Swimming Championships (25 m) was held on 10 December 2024.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Australia (AUS) | 3:25.43 | Melbourne, Australia | 13 December 2022 |
| Competition record | Australia (AUS) | 3:25.43 | Melbourne, Australia | 13 December 2022 |
The following new records were set during this competition:
| Date | Event | Name | Nation | Time | Record |
| 10 December | Final | Kate Douglass (50.95) Katharine Berkoff (51.38) Alex Shackell (52.01) Gretchen Walsh (50.67) | United States | 3:25.01 | WR, CR |

## Results
### Heats

The heats were started at 11:23.
| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 1 | 3 | Italy | Sofia Morini (52.71) Sara Curtis (51.30) Chiara Tarantino (52.58) Emma Virginia Menicucci (53.27) | 3:29.86 | Q |
| 2 | 1 | 2 | Germany | Nina Jazy (52.93) Nicole Maier (53.19) Nina Holt (52.07) Nele Schulze (52.18) | 3:30.37 | Q, NR |
| 3 | 1 | 4 | United States | Phoebe Bacon (53.39) Alex Shackell (52.16) Jillian Cox (55.10) Gretchen Walsh (50.51) | 3:31.16 | Q |
| 4 | 2 | 6 | Hungary | Nikolett Pádár (53.22) Panna Ugrai (52.93) Petra Senánszky (52.63) Lilla Minna Ábrahám (52.58) | 3:31.36 | Q, NR |
| 5 | 2 | 3 | Sweden | Sara Junevik (52.68) Louise Hansson (51.88) Klara Thormalm (53.98) Sofia Åstedt (53.02) | 3:31.56 | Q |
| 6 | 2 | 1 | Neutral Athletes B | Daria Klepikova (52.60) Daria Trofimova (51.84) Alina Gaifutdinova (53.98) Milana Stepanova (53.47) | 3:31.89 | Q |
| 7 | 2 | 4 | Australia | Milla Jansen (53.08) Lily Price (53.95) Leah Neale (52.65) Meg Harris (52.22) | 3:31.90 | Q |
| 8 | 1 | 5 | Canada | Penny Oleksiak (53.72) Sydney Pickrem (53.52) Ingrid Wilm (52.97) Alexanne Lepage (54.29) | 3:34.50 | Q |
| 9 | 2 | 5 | China | Liu Shuhan (53.41) Kong Yaqi (54.45) Zhang Jingyan (54.28) Luo Mingyu (54.04) | 3:36.18 | R |
| 10 | 1 | 6 | Japan | Yume Jinno (53.94) Mizuki Hirai (53.46) Aimi Nagaoka (53.94) Misuzu Nagaoka (55.04) | 3:36.38 | R |
| 11 | 1 | 7 | Slovakia | Teresa Ivan (54.33) Zora Ripková (55.07) Alexandra Hrnčárová (54.57) Lillian Slušná (54.28) | 3:38.25 | NR |
| 12 | 2 | 2 | Hong Kong | Tam Hoi Lam (54.08) Gilaine Ma (54.97) Ng Lai Wa (57.06) Li Sum Yiu (53.56) | 3:39.67 | NR |
| 13 | 2 | 7 | South Africa | Caitlin de Lange (54.01) Hannah Robertson (56.07) Milla Drakopoulos (56.74) Jessica Thompson (55.57) | 3:42.39 | |

### Final

The final was held at 19:12.
| Rank | Lane | Nation | Swimmers | Time | Notes |
| | 3 | United States | Kate Douglass (50.95) Katharine Berkoff (51.38) Alex Shackell (52.01) Gretchen Walsh (50.67) | 3:25.01 | WR |
| | 1 | Australia | Meg Harris (52.59) Milla Jansen (51.62) Alexandria Perkins (51.68) Lani Pallister (52.36) | 3:28.25 | |
| | 8 | Canada | Mary-Sophie Harvey (52.4) Summer McIntosh (51.81) Ingrid Wilm (52.22) Penny Oleksiak (52.01) | 3:28.44 | |
| 4 | 7 | Neutral Athletes B | Daria Klepikova (51.96) Daria Trofimova (51.36) Milana Stepanova (53.27) Arina Surkova (52.14) | 3:28.73 | NR |
| 5 | 4 | Italy | Sofia Morini (52.55) Sara Curtis (51.69) Chiara Tarantino (52.63) Emma Virginia Menicucci (52.71) | 3:29.58 | |
| 6 | 2 | Sweden | Sara Junevik (52.5) Louise Hansson (51.67) Hanna Bergman (53.35) Sofia Åstedt (52.29) | 3:29.81 | |
| 7 | 6 | Hungary | Nikolett Pádár (52.69) Panna Ugrai (52.93) Petra Senánszky (52.58) Lilla Minna Ábrahám (51.9) | 3:30.10 | NR |
| 8 | 5 | Germany | Nina Jazy (53.22) Nicole Maier (52.68) Nina Holt (52.21) Nele Schulze (52.66) | 3:30.77 | |