The women's 50 metre backstroke event at the 2024 World Aquatics Swimming Championships (25 m) was held from 12 to 13 December 2024 at the Duna Arena in Budapest, Hungary.

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

The following record was established during the competition: Date Event Name Nationality Time Record 13 December Final Regan Smith 25.23

Results Heats The heats were started on 12 December at 9:02. Rank Heat Lane Name Nationality Time Notes 1 5 1 Katharine Berkoff 25.89 Q 2 6 5 Ingrid Wilm 26.06 Q 3 6 4 Regan Smith 26.08 Q 4 6 1 Kylie Masse 26.11 Q 5 5 3 Maaike de Waard 26.19 Q 6 4 5 Analia Pigrée 26.22 Q 7 6 3 Mizuki Hirai 26.23 Q 8 5 5 Sara Curtis 26.35 Q 9 6 6 Lora Komoróczy 26.38 Q 10 5 4 Kira Toussaint 26.48 Q 11 4 4 Iona Anderson 26.56 Q 12 6 9 Hanna Rosvall 26.62 Q 13 4 3 Danielle Hill 26.67 Q 14 4 6 Anastasiya Shkurdai Neutral Athletes A 26.68 Q 15 5 0 Fanny Teijonsalo 26.74 Q 16 6 2 Daryna Nabojčenko 26.86 Q 17 5 7 Kalia Antoniou 26.87 R, NR 18 5 8 Pauline Mahieu 26.88 R 19 3 7 Miranda Grana Neutral Athletes C 26.96 NR 20 6 7 Savannah-Eve Martin 26.98 21 5 2 Jessica Thompson 27.10 22 5 9 Carmen Weiler 27.13 23 6 8 Theodora Drakou 27.14 NR 24 6 0 Kim Seung-won 27.17 25 5 6 Lu Xingchen 27.20 26 4 8 Adela Piskorska 27.24 27 4 2 Elizaveta Agapitova Neutral Athletes B 27.39 28 3 5 Justine Murdock 27.52 29 2 4 Abril Aunchayna 27.57 30 3 8 Masniari Wolf 27.70 31 3 4 Xeniya Ignatova 27.75 32 3 1 Zuri Ferguson 27.83 NR 33 4 9 Nika Sharafutdinova 27.91 34 4 1 Cindy Cheung 28.23 35 3 3 Liao Yu-fei 28.27 36 3 2 Saovanee Boonamphai 28.28 37 3 9 Elizabeth Jiménez 28.44 38 2 5 Jessica Humphrey 28.52 NR 39 3 0 Wilina Jules-Marthe 28.92 40 4 0 Mariangela Boitšuk 29.02 41 2 3 Leanna Wainwright 29.54 42 2 6 Lara Giménez 29.60 NR 43 2 2 Nubia Adjei 29.87 44 1 6 Jovana Kuljača 30.10 45 2 8 Aaliyah Palestrini 30.45 46 2 7 Chanchakriya Kheun 30.59 47 1 7 Timipame-Ere Akiayefa 30.64 48 2 0 Carolann Faeamani 31.13 49 2 1 Ganga Senavirathne 31.72 50 1 2 Juthi Akter 31.94 NR 51 1 8 Lina Goyayi 34.25 52 2 9 Ammara Pinto 34.28 53 1 4 Meher Maqbool 35.08 54 1 1 Aragsan Mugabo 35.65 55 1 5 Grace Manuela Nguelo'o 36.50 56 1 3 Kamila Ibrahim 37.91 36 Teresa Ivan 4 7 Janja Šegel

Semifinals The semifinals were started on 12 December at 17:48. Rank Heat Lane Name Nationality Time Notes 1 2 4 Katharine Berkoff 25.51 Q 2 2 5 Regan Smith 25.66 Q 3 1 4 Ingrid Wilm 25.81 Q 4 1 5 Kylie Masse 25.98 Q 5 1 6 Sara Curtis 26.03 Q, WJ, NR 6 2 3 Maaike de Waard 26.14 Q 7 1 3 Analia Pigrée 26.22 Q 8 2 7 Iona Anderson 26.25 Q 9 2 6 Mizuki Hirai 26.26 R 10 2 2 Lora Komoróczy 26.27 R 11 2 1 Danielle Hill 26.34 12 1 2 Kira Toussaint 26.35 12 1 7 Hanna Rosvall 26.35 14 1 1 Anastasiya Shkurdai Neutral Athletes A 26.48 15 1 8 Daryna Nabojčenko 26.67 16 2 8 Fanny Teijonsalo 26.72

Final The final was held on 13 December at 18:04. Rank Lane Name Nationality Time Notes 5 Regan Smith 25.23 WR 4 Katharine Berkoff 25.61 6 Kylie Masse 25.78 4 3 Ingrid Wilm 25.88 5 1 Analia Pigrée 25.94 NR 6 2 Sara Curtis 26.26 7 7 Maaike de Waard 26.28 8 8 Iona Anderson 26.31

References