The Women's 4 × 100 metre freestyle relay competition of the 2021 FINA World Swimming Championships (25 m) was held on 16 December 2021.

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

Results Heats The heats were started at 12:18.Heats results

Rank Heat Lane Nation Swimmers Time Notes 1 2 5 Kim Busch (53.44)Marrit Steenbergen (52.13)Tessa Giele (53.26)Ranomi Kromowidjojo (52.56) 3:31.39 Q 2 2 4 Kate Douglass (52.98)Claire Curzan (52.97)Katharine Berkoff (52.95)Torri Huske (53.01) 3:31.91 Q 3 2 3 Zhang Yufei (53.24)Cheng Yujie (52.80)Zhu Menghui (53.22)Wu Qingfeng (52.69) 3:31.95 Q 4 1 5 Michelle Coleman (52.81)Sarah Sjöström (51.45)Sara Junevik (54.01)Louise Hansson (53.79) 3:32.06 Q 5 2 6 Russian Swimming FederationMaria Kameneva (52.61)Ekaterina Nikonova (53.15)Arina Surkova (53.26)Daria Klepikova (53.81) 3:32.83 Q 6 1 4 Katerine Savard (53.16)Kayla Sanchez (51.76)Rebecca Smith (53.08)Bailey Andison (55.11) 3:33.11 Q 7 2 2 Fanni Gyurinovics (53.33)Zsuzsanna Jakabos (53.56)Nikolett Pádár (54.43)Ajna Késely (54.88) 3:36.20 Q, NR 8 2 8 Lena Kreundl (53.95)Cornelia Pammer (54.77)Nina Gangl (55.11)Lena Opatril (54.94) 3:38.77 Q 9 1 3 Annika Bruhn (54.75)Marie Pietruschka (54.62)Isabel Marie Gose (55.15)Marlen Kullmann (54.70) 3:39.22 10 2 7 Jeong So-eun (54.19)Ryu Ji-won (55.67)Han Da-kyung (56.78)Kim Seo-yeong (53.76) 3:40.40 NR 11 2 1 Lillian Slušná (55.77)Zora Ripková (54.70)Sabína Kupčová (55.57)Tamara Potocká (55.82) 3:41.86 NR 12 1 1 Jenjira Srisaard (55.53)Kornkarnjana Sapianchai (56.28)Kamonchanok Kwanmuang (56.45)Jinjutha Pholjamjumrus (57.63) 3:45.89 13 1 7 Selen Özbilen (56.33)Nida Eliz Üstündağ (56.87)Merve Tuncel (58.28)Deniz Ertan (57.83) 3:49.31 1 6 Katii Tang (55.46)Tam Hoi LamNatalie KanSze Hang Yu DSQ 1 2 DNS

Final The final will be held at 19:47.Final results Rank Lane Nation Swimmers Time Notes 7 Kayla Sanchez (51.73)Maggie Mac Neil (52.07)Rebecca Smith (52.11)Katerine Savard (52.61) 3:28.52 NR 5 Kate Douglass (52.39)Claire Curzan (52.25)Katharine Berkoff (52.38)Abbey Weitzeil (51.50) 3:28.52 6 Sarah Sjöström (51.45)Michelle Coleman (52.06)Sophie Hansson (53.41)Louise Hansson (51.88) 3:28.80 NR 4 4 Ranomi Kromowidjojo (52.22)Marrit Steenbergen (51.76)Kim Busch (53.06)Kira Toussaint (51.82) 3:28.86 5 3 Cheng Yujie (53.14)Zhang Yufei (52.32)Zhu Menghui (53.05)Wu Qingfeng (52.66) 3:31.17 6 2 Russian Swimming FederationMaria Kameneva (52.60)Ekaterina Nikonova (52.97)Arina Surkova (53.32)Daria S. Ustinova (52.66) 3:31.55 NR 7 1 Fanni Gyurinovics (53.78)Zsuzsanna Jakabos (53.40)Nikolett Pádár (54.73)Ajna Késely (55.03) 3:36.94 8 8 Lena Kreundl (53.39)Cornelia Pammer (55.45)Nina Gangl (55.33)Lena Opatril (55.01) 3:39.18

References