The women's 4 × 100 metre freestyle relay competition at the 2023 World Aquatics Championships was held on 23 July 2023.

Records Prior to the competition, the existing world and championship records were as follows:

The following new records were set during this competition: Date Event Nation Swimmers Time Record 23 July Final Mollie O'Callaghan (52.08)Shayna Jack (51.69)Meg Harris (52.29)Emma McKeon (51.90) 3:27.96 WR

Results Heats The heats were held at 13:03.

Rank Heat Lane Nation Swimmers Time Notes 1 2 4 Shayna Jack (52.28)Brianna Throssell (53.95)Meg Harris (52.55)Madison Wilson (52.74) 3:31.52 Q 2 2 5 Torri Huske (53.55)Olivia Smoliga (52.91)Maxine Parker (54.34)Abbey Weitzeil (52.54) 3:33.34 Q 3 2 6 Kim Busch (54.66)Milou van Wijk (54.84)Sam van Nunen (53.87)Marrit Steenbergen (52.13) 3:35.50 Q 4 2 3 Anna Hopkin (54.10)Lucy Hope (53.79)Abbie Wood (54.64)Freya Anderson (53.45) 3:35.98 Q 5 1 5 Yang Junxuan (54.20)Ai Yanhan (54.09)Zhu Menghui (54.56)Wu Qingfeng (53.41) 3:36.26 Q 6 1 3 Sarah Sjöström (52.89)Michelle Coleman (53.20)Sara Junevik (54.96)Sofia Åstedt (55.24) 3:36.29 Q 7 1 4 Maggie Mac Neil (53.77)Mary-Sophie Harvey (53.99)Katerine Savard (54.47)Taylor Ruck (54.16) 3:36.39 Q 8 2 8 Rikako Ikee (54.51)Nagisa Ikemoto (53.96)Yume Jinno (55.02)Rio Shirai (54.22) 3:37.71 Q 9 1 6 Chiara Tarantino (54.95)Costanza Cocconcelli (54.14)Emma Menicucci (54.50)Sofia Morini (54.34) 3:37.93 10 2 7 Béryl Gastaldello (54.50)Lison Nowaczyk (54.36)Mary-Ambre Moluh (55.05)Assia Touati (54.61) 3:38.52 11 2 2 Ana Carolina Vieira (54.46)Stephanie Balduccini (53.92)Celine Souza Bispo (55.20)Giovanna Diamante (55.41) 3:38.99 12 1 9 Camille Cheng (56.05)Siobhán Haughey (52.59)Tam Hoi Lam (55.36)Stephanie Au (55.93) 3:39.93 NR 13 1 2 Petra Senánszky (55.10)Dóra Molnár (55.41)Lilla Minna Ábrahám (54.38)Nikolett Pádár (55.13) 3:40.02 14 1 0 Signe Bro (55.39)Julie Kepp Jensen (54.58)Emilie Beckmann (55.75)Helena Rosendahl Bach (55.49) 3:41.21 15 1 8 Mona McSharry (55.98)Danielle Hill (55.51)Erin Riordan (55.50)Victoria Catterson (54.76) 3:41.75 NR 16 2 1 Carmen Weiler (55.58)Ainhoa Campabadal (54.98)África Zamorano (55.61)Paula Juste (56.36) 3:42.53 17 1 7 Aimee Canny (54.95)Emma Chelius (56.28)Milla Drakopoulos (57.85)Trinity Hearne (56.46) 3:45.54 18 2 0 Kamonchanok Kwanmuang (57.70)Saovanee Boonamphai (59.86)Phiangkhwan Pawapotako (1:01.10)Jenjira Srisaard (58.18) 3:56.84 1 1 2 9

Final The final was held at 21:32.

Rank Lane Nation Swimmers Time Notes 4 Mollie O'Callaghan (52.08)Shayna Jack (51.69)Meg Harris (52.29)Emma McKeon (51.90) 3:27.96 5 Gretchen Walsh (54.06)Abbey Weitzeil (52.71)Olivia Smoliga (52.88)Kate Douglass (52.28) 3:31.93 2 Cheng Yujie (53.39)Yang Junxuan (53.53)Wu Qingfeng (52.64)Zhang Yufei (52.84) 3:32.40 AS 4 6 Anna Hopkin (53.67)Lucy Hope (53.53)Abbie Wood (54.19)Freya Anderson (52.51) 3:33.90 NR 5 7 Sarah Sjöström (52.24)Michelle Coleman (53.11)Sara Junevik (54.71)Louise Hansson (54.11) 3:34.17 6 3 Kim Busch (55.05)Sam van Nunen (54.13)Milou van Wijk (54.39)Marrit Steenbergen (51.84) 3:35.41 7 1 Summer McIntosh (54.99)Maggie Mac Neil (53.07)Mary-Sophie Harvey (54.57)Taylor Ruck (53.99) 3:36.62 8 8 Rikako Ikee (55.09)Nagisa Ikemoto (53.62)Yume Jinno (55.26)Rio Shirai (54.64) 3:38.61

References