The women's 400 metre freestyle S9 event at the 2016 Paralympic Games took place on 9 September 2016, at the Olympic Aquatics Stadium. Three heats were held. The swimmers with the eight fastest times advanced to the final.
Heats Heat 1 10:57 9 September 2016:
Rank Lane Name Nationality Time Notes 1 4 5:16.28 2 3 5:28.86 3 5 5:31.06
Heat 2 11:04 9 September 2016: Rank Lane Name Nationality Time Notes 1 5 4:54.44 2 4 4:54.98 3 6 5:04.69 4 3 5:04.80 5 2 5:09.24 6 7 5:13.02 7 1 5:14.32
Heat 3 11:12 9 September 2016: Rank Lane Name Nationality Time Notes 1 4 4:50.19 2 2 4:51.19 3 5 4:53.26 4 6 4:58.10 5 3 4:59.81 6 1 5:10.62 7 7 5:11.18
Final 19:51 9 September 2016:
Rank Lane Name Nationality Time Notes 2 4:42.56 4 4:42.58 5 4:43.66 4 3 4:53.42 5 6 4:55.38 6 1 4:55.77 7 7 4:59.18 8 8 5:04.88
Notes