| Final 20:48 | | time | gap | L | | 100m | 200m | 300m | | 1. Ariarne Titmus |  Australia | 3:58.06 | | GR | 4 | | 2. Summer McIntosh |  Canada | 3:59.32 | +1.26s | NR | 4 | | 3. Kiah Melverton | Australia | 4:03.12 | +5.06s | | 3 | | 4. Erika Fairweather |  New Zealand | 4:03.84 | +5.78s | | 5 | | 5. Lani Pallister | Australia | 4:04.43 | +6.37s | | 5 | | 6. Eve Thomas | New Zealand | 4:09.73 | +11.67s | | 3 | | 7. Ella Jansen | Canada | 4:10.69 | +12.63s | | 2 | | 8. Duné Coetzee |  South Africa | 4:15.53 | +17.47s | | 7 |
| 23 Competitors from 14 Nations. Sandwell Aquatics Centre. | | World Record: Ariarne Titmus, Australia 3:56.40 Adelaide, Australia 22 May 2022 | | Commonwealth Record: Ariarne Titmus, Australia 3:56.40 Adelaide, Australia 22 May 2022 | | Commonwealth Games Record: Ariarne Titmus, Australia 4:00.93 Gold Coast, Australia 10 April 2018 |
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Heats - Wednesday, 3rd August 10:44 | | Best 8 times advanced to Final. |
| Heat 4 10:-- | | time | gap | | L | Rk | 100m | 200m | 300m | | 3. Ariarne Titmus | Australia | 4:08.25 | +-.--s | Q | 4 | 3. | | 4. Lani Pallister | Australia | 4:09.77 | +-.--s | Q | 5 | 4. | | 6. Kiah Melverton | Australia | 4:11.04 | +-.--s | Q | 3 | 6. | | 8. Duné Coetzee | South Africa | 4:14.92 | +-.--s | Q | 7 | 8. | | 9. Katrina Bellio | Canada | 4:15.37 | +-.--s | R | 2 | 9. | | 16.Lily Scott |  Jersey | 4:35.04 | +-.--s | | 8 | 16. | | -. Tamryn van Selm |  England | DNS | | | 1 | -. | | -. Freya Anderson | England | DNS | | | 6 | -. |
| Heat 3 10:-- | | time | gap | | L | Rk | 100m | 200m | 300m | | 1. Erika Fairweather | New Zealand | 4:07.27 | | Q | 5 | 1. | | 2. Summer McIntosh | Canada | 4:07.36 | +-.--s | Q | 4 | 2. | | 5. Ella Jansen | Canada | 4:11.02 | +-.--s | Q | 2 | 5. | | 7. Eve Thomas | New Zealand | 4:11.50 | +-.--s | Q | 3 | 7. | | 10.Freya Colbert | England | 4:16.31 | +-.--s | R | 6 | 10. | | 11.Michaela Pulford | South Africa | 4:18.76 | +-.--s | | 7 | 11. | | 12.Trinity Hearne | South Africa | 4:26.22 | +-.--s | | 8 | 12. | | 14.Kyra Rabess |  Cayman Islands | 4:30.11 | +-.--s | | 1 | 14. |
| Heat 2 10:-- | | time | gap | | L | Rk | 100m | 200m | 300m | | 13.Harper Barrowman | Cayman Islands | 4:28.02 | +-.--s | | 5 | 13. | | 15.Mollie McAlorum |  Northern Ireland | 4:32.31 | +-.--s | | 4 | 15. | | 17.Jehanara Nabi |  Pakistan | 4:36.87 | +-.--s | | 3 | 17. | | 18.Raya Embury-Brown | Cayman Islands | 4:41.74 | +-.--s | | 6 | 18. | | 19.Kiera Prentice |  Isle of Man | 4:48.86 | +-.--s | | 2 | 19. | | 20.Tilly Collymore |  Grenada | 4:48.97 | +-.--s | | 7 | 20. |
| Heat 1 10:-- | | time | gap | | L | Rk | 100m | 200m | 300m | | 21.Aaliyah Palestrini |  Seychelles | 4:59.62 | +-.--s | | 4 | 21. | | 22.Poppy Davis-Coyle |  Saint Helena | 5:09.83 | +-.--s | | 5 | 22. | | 23.Charissa Panuve |  Tonga | 5:13.63 | +-.--s | | 3 | 23. |
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