The Women's 50 metre freestyle S11 event at the 2020 Paralympic Games took place on 29 August 2021, at the Tokyo Aquatics Centre.

Heats The swimmers with the top eight times, regardless of heat, advanced to the final.

Rank Heat Lane Name Nationality Time Notes 1 2 4 Karolina Pelendritou 29.92 , WR 2 2 3 Li Guizhi 29.95 3 1 5 Ma Jia 30.05 4 1 4 Liesette Bruinsma 30.26 5 1 3 Tomomi Ishiura 31.08 6 1 2 Wang Xinyi 31.12 7 2 5 Maryna Piddubna 31.14 8 2 6 Anastasia Pagonis 31.19 9 2 2 Kateryna Tkachuk 31.35 10 1 6 Anastasiia Shevchenko 31.85 11 2 7 Sofiia Polikarpova 32.36 12 1 1 Nadia Báez 34.11 13 2 1 Tatiana Blattnerová 34.88 14 1 7 Chikako Ono 35.91 15 2 8 Yana Berezhna 36.59

Final Rank Lane Name Nationality Time Notes+50m freestyle final 3 Ma Jia 29.20 5 Li Guizhi 29.72 4 Karolina Pelendritou 29.79 4 6 Liesette Bruinsma 30.19 5 7 Wang Xinyi 30.24 6 1 Maryna Piddubna 30.65 7 2 Tomomi Ishiura 30.85 8 8 Anastasia Pagonis 30.91

References