EVENT 405 Womens MC 400m Freestyle PWS - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 1 | Rebecca Franks | 97 | S9 | Gr Britain | 7:10.74 |
| 2 | 3 | Krystal Shaw* | 94 | S7 | Canada | 6:49.10 |
| 3 | 5 | Levana Hanson* | 00 | S8 | Gr Britain | 6:21.15 |
| 4 | 7 | Mikuni Utsugi | 03 | S9 | Japan | 6:15.63 |
| 5 | 6 | Tomomi Ishiura | 88 | S11 | Japan | 6:20.00 |
| 6 | 4 | Sophia Herzog | 97 | S6 | USA | 6:36.57 |
| 7 | 2 | Jasmin Beutler | 00 | S6 | Germany | 6:57.01 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 9 | Amanda Palyo | 01 | S9 | USA | 5:58.38 |
| 1 | 11 | Verena Schott | 89 | S6 | Germany | 5:45.90 |
| 2 | 13 | Chikako Ono | 94 | S11 | Japan | 5:42.65 |
| 3 | 15 | Sakura Koike | 01 | S7 | Japan | 5:40.92 |
| 4 | 17 | Grace Harvey* | 98 | S6 | Gr Britain | 5:35.84 |
| 5 | 16 | Ailbhe Kelly | 98 | S8 | Ireland | 5:39.61 |
| 6 | 14 | Isabella Blanchard | 02 | S9 | USA | 5:41.78 |
| 7 | 12 | Jessika Markkanen | 99 | S9 | Finland | 5:43.08 |
| 8 | 10 | Valentina Munoz | 01 | S8 | Chile | 5:48.03 |
| 9 | 8 | Renata Pinto | 99 | S9 | Portugal | 6:01.26 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 21 | Bristow Grace | 01 | S10 | USA | 5:25.64 |
| 1 | 27 | Marlene Endrolath | 01 | S13 | Germany | 5:16.77 |
| 2 | 33 | Coral Farrell | 01 | S10 | Gr Britain | 5:03.79 |
| 3 | 39 | Toni Shaw | 03 | S9 | Gr Britain | 4:48.48 |
| 4 | 45 | Zara Mullooly | 02 | S10 | Gr Britain | 4:43.26 |
| 5 | 42 | Manon Vermarien | 97 | S9 | Netherlands | 4:46.42 |
| 6 | 36 | Shokhsan Toshpulatova | 97 | S13 | Uzbekistan | 4:56.81 |
| 7 | 30 | Keira Stephens | 03 | S10 | Australia | 5:11.07 |
| 8 | 24 | Katie Crowhurst | 04 | S13 | Gr Britain | 5:19.89 |
| 9 | 18 | Eleanor Simmonds | 94 | S6 | Gr Britain | 5:32.81 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 22 | Hope Gordon | 94 | S9 | Gr Britain | 5:20.82 |
| 1 | 28 | Elizabeth Slack | 96 | S10 | Australia | 5:16.08 |
| 2 | 34 | Abby Kane | 03 | S13 | Gr Britain | 5:00.52 |
| 3 | 40 | Lily Macleod | 01 | S13 | Gr Britain | 4:48.35 |
| 4 | 46 | Naomi Maike Schnittger | 94 | S12 | Germany | 4:43.12 |
| 5 | 43 | Elodie Lorandi* | 89 | S10 | France | 4:44.59 |
| 6 | 37 | Anaelle Roulet* | 96 | S10 | France | 4:48.81 |
| 7 | 31 | Mikaela Jenkins | 03 | S10 | USA | 5:04.55 |
| 8 | 25 | Beth Johnston | 01 | S10 | Gr Britain | 5:19.52 |
| 9 | 19 | Maisie Summers-Newton | 02 | S6 | Gr Britain | 5:29.91 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 23 | Rebecca Lewis | 03 | S10 | Gr Britain | 5:20.07 |
| 1 | 29 | Liesette Bruinsma | 00 | S11 | Netherlands | 5:11.13 |
| 2 | 35 | Ayano Tsujiuchi | 96 | S13 | Japan | 5:00.00 |
| 3 | 41 | Bianka Pap | 00 | S10 | Hungary | 4:46.43 |
| 4 | 47 | Aurelie Rivard | 96 | S10 | Canada | 4:34.08 |
| 5 | 44 | Rosie Bancroft | 95 | S10 | Gr Britain | 4:44.39 |
| 6 | 38 | Lisa Kruger | 00 | S10 | Netherlands | 4:48.68 |
| 7 | 32 | Airi Ike | 98 | S10 | Japan | 5:04.49 |
| 8 | 26 | Alyssia Crook | 98 | S9 | USA | 5:19.31 |
| 9 | 20 | C Jeronimo De Araujo | 98 | S8 | Brazil | 5:26.67 |