Heats
jeudi 28 juin 2018, 01h00 GMT – 01h00 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Phoebe Hines | Australia | 4′ 18.96″ |
| 2 | Sharni Robinson | Australia | + 0.6″ |
| 3 | Caitlin Deans | New Zealand | + 5.68″ |
| 4 | Stefannie Gillespie | New Zealand | + 18.6″ |
| 5 | Jasmine O'Brien | Hawaii | + 19.13″ |
| 6 | Marion Kotobalavu | Fiji | + 43.61″ |
| 7 | Osisang Chilton | Palau | + 44.43″ |
| 8 | Jane Smith | Fiji | + 58.63″ |
| 9 | Emily White | Australia | + 4.19″ |
| 10 | Phoebe Walker | Australia | + 5.75″ |
| 11 | Ebony Blackstone | Australia | + 7.5″ |
| 12 | Rebecca Jacobson | Australia | + 10.55″ |
| 13 | Mia Pugh | New Zealand | + 31.54″ |
| 14 | Jinju Thompson | Northern Mariana Islands | + 1′ 0.19″ |
| 15 | Sophia Gauran | Northern Mariana Islands | + 1′ 15″ |