Heats
jeudi 28 juin 2018, 01h00 GMT – 01h00 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Grace Monahan | Hawaii | 1′ 3.33″ |
| 2 | Emily White | Australia | + 1.88″ |
| 3 | Rosemarie Rova | Fiji | + 4.21″ |
| 4 | Sydnee Whitty | Hawaii | + 4.38″ |
| 5 | Tilali Scanlan | American Samoa | + 8.06″ |
| 6 | Rokowati Mara | Fiji | + 10.12″ |
| 7 | Ann-Marie Hepler | Marshall Islands | + 10.8″ |
| 8 | Margie Winter | Micronesia | + 10.98″ |
| 9 | Maile Lawson | Hawaii | + 4.99″ |
| 10 | Jasmine O'Brien | Hawaii | + 6.91″ |
| 11 | Georgia-Leigh Vele | Papua New Guinea | + 11.16″ |
| 12 | Mineri Gomez | Guam | + 11.3″ |
| 13 | Kestra Kihleng | Micronesia | + 14.77″ |
| 14 | Nicole Adams | Micronesia | + 22.47″ |