The Women's 50 metre backstroke competition of the 2021 FINA World Swimming Championships (25 m) was held on 19 and 20 December 2021.

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 Name Nation Time Record 20 December Final Maggie Mac Neil 25.27

Results Heats The heats were started on 19 December at 09:36.Heats results

Rank Heat Lane Name Nationality Time Notes 1 6 4 Maggie Mac Neil 25.98 Q 2 6 5 Louise Hansson 26.27 Q 3 5 4 Kylie Masse 26.30 Q 3 7 4 Kira Toussaint 26.30 Q 5 7 3 Maaike de Waard 26.39 Q 5 7 5 Analia Pigrée 26.39 Q 7 5 3 Simona Kubová 26.44 Q 8 6 3 Silvia Scalia 26.50 Q 9 7 2 Hanna Rosvall 26.52 Q 10 5 6 Caroline Pilhatsch 26.77 Q 11 7 6 Holly Barratt 26.84 Q 12 6 1 Mary-Ambre Moluh 27.15 Q 13 5 2 Danielle Hill 27.17 Q 13 7 9 Peng Xuwei 27.17 Q 15 5 5 Julie Kepp Jensen 27.25 Q 16 6 2 Daryna Zevina 27.26 Q 17 7 7 Ekaterina Avramova 27.35 18 5 1 Stephanie Au 27.45 18 5 7 Nina Stanisavljević 27.45 =NR 20 6 7 Anastasiya Kuliashova 27.50 21 5 9 Chloe Isleta 27.62 NR 22 5 8 Nina Kost 27.87 23 7 8 Laura Riedemann 28.00 24 7 1 Daria Ustinova Russian Swimming Federation 28.44 25 6 0 Marie Khoury 29.13 NR 26 4 7 Sarah Szklaruk 29.16 NR 27 6 9 Ridhima Veerendrakumar 29.45 28 1 5 Lauren Hew 29.58 29 4 3 Colleen Furgeson 29.76 NR 30 4 4 Nubia Adjei 30.09 31 4 1 Kimberly Ince 30.30 32 4 6 Aaliyah Palestrini 30.34 33 4 0 Bisma Khan 30.37 34 4 8 Salome Nikolaishvili 30.60 35 4 5 Noor Yussuf Abdulla 30.64 36 3 4 Ganga Senavirathne 30.92 37 2 6 Arianis Martínez 31.08 38 4 9 Jovana Kuljača 31.34 39 3 2 Avice Meya 31.35 40 3 5 Denise Donelli 31.37 41 3 6 Naima Hazell 32.00 42 1 3 Erina Idrizaj 32.04 43 2 1 Kevern da Silva 32.17 44 3 3 Lindsay Barr 32.33 45 2 8 Arleigha Hall 32.70 46 3 9 Hamna Ahmed 32.78 NR 47 3 1 Patrice Mahaica 32.91 48 3 7 Jennifer Harding-Marlin 33.57 49 3 0 Noelani Day 33.75 50 2 2 Shoko Litulumar 33.85 51 2 7 Jourdyn Adams 33.95 52 2 3 Daniella Nafal 34.11 53 2 4 Leena Mohamedahmed 41.78 54 2 5 Kanu Isha 44.23 55 1 4 Sabrina Ikromova 44.36 3 8 Ria Save 4 2 Timipame-ere Akiayefa 5 0 Lucy Hope 6 6 Elena Di Liddo 6 8 Rhyan White 7 0 Fanny Teijonsalo

Semifinals The semifinals were started on 19 December at 19:19.Semifinals results Rank Heat Lane Name Nationality Time Notes 1 1 4 Louise Hansson 25.83 Q, NR 2 2 5 Kylie Masse 25.84 Q, =NR 3 2 4 Maggie Mac Neil 25.92 Q 4 2 3 Maaike de Waard 25.97 Q 5 1 3 Analia Pigrée 26.07 Q 6 2 8 Julie Kepp Jensen 26.25 Q 7 1 2 Caroline Pilhatsch 26.29 Q 8 2 7 Holly Barratt 26.38 Q 9 2 2 Hanna Rosvall 26.39 10 1 5 Kira Toussaint 26.43 11 1 6 Silvia Scalia 26.46 12 2 6 Simona Kubová 26.53 13 1 1 Peng Xuwei 26.86 14 2 1 Danielle Hill 26.88 15 1 7 Mary-Ambre Moluh 27.00 16 1 8 Daryna Zevina 27.20

Final The final was held on 20 December at 19:12.Final results

Rank Lane Name Nationality Time Notes 3 Maggie Mac Neil 25.27 5 Kylie Masse 25.62 4 Louise Hansson 25.86 4 2 Analia Pigrée 25.96 NR 5 6 Maaike de Waard 25.99 6 1 Caroline Pilhatsch 26.05 7 8 Holly Barratt 26.18 8 7 Julie Kepp Jensen 26.50

References