Heat 2
samedi 15 décembre 2018, 02h36 GMT – 02h36 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Kathleen Baker | United States | 2′ 6.57″ |
| 2 |  Emily Seebohm | Australia | + 1.21″ |
| 3 | Min Zhou | China | + 2.6″ |
| 4 | Catalina Corró | Spain | + 3.25″ |
| 5 | Barbora Závadová | Czech Republic | + 4.21″ |
| 6 | McKenna DeBever | Peru | + 6.89″ |
| 7 |  Rebecca Meder | South Africa | + 8.11″ |
| 8 | Natalie Kan | Hong Kong, China | + 8.53″ |
| 9 | Margaret Markvardt | Estonia | + 10.34″ |
| Marina García | Spain | DNS |