EVENT 102 Women Open 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Isla Jones | 15 | Kuala Lumpur | 5:19.19 |
| 3 | 4 | Sophia Gledhill | 15 | Melbourne | 5:24.13 |
| 4 | 6 | Georgia Robertson | 17 | Melbourne | 5:21.15 |
| 5 | 5 | Harriet Oxley | 17 | Manchester | 5:20.84 |
| 6 | 3 | Anna Farr | 15 | Gold Coast | 5:22.91 |
| 7 | 1 | Alexandra Bassett | 15 | Gold Coast | 5:51.69 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Megan Speirs | 18 | Delhi | 5:14.35 |
| 2 | 10 | Louise Bressler | 16 | Auckland | 5:10.42 |
| 3 | 12 | Anna Farrow | 17 | Kuala Lumpur | 5:10.76 |
| 4 | 14 | Ashleigh Baillie | 16 | Auckland | 5:01.05 |
| 5 | 13 | Ruby Griffiths | 16 | Kuala Lumpur | 5:08.94 |
| 6 | 11 | Matilda Ransome | 16 | Delhi | 5:10.83 |
| 7 | 9 | Matilda Bogle | 16 | Glasgow | 5:07.31 |
| 8 | 7 | Ella Blocksidge | 16 | Kuala Lumpur | 5:18.28 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Merissa Booth | 17 | Auckland | DN:S . |
| 2 | 18 | Betsy Wizard | 19 | Glasgow | DN:S . |
| 3 | 20 | Evie Dilley | 16 | Delhi | 5:02.95 |
| 4 | 22 | Phoebe Cooper | 14 | Manchester | 5:02.80 |
| 5 | 21 | Isabelle Goodwin | 18 | Delhi | 4:58.07 |
| 6 | 19 | Leah Schlosshan | 17 | Glasgow | 4:59.07 |
| 7 | 17 | Ella McEver | 17 | Victoria | 5:15.45 |
| 8 | 15 | Holly Marshall | 16 | Auckland | DN:S . |