Heat 4
mercredi 12 décembre 2018, 04h25 GMT – 04h25 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Jianjiahe Wang | China | 8′ 7.59″ |
| 2 |  Simona Quadarella | Italy | + 9.09″ |
| 3 |  Haley Anderson | United States | + 11.93″ |
| 4 |  Yukimi Moriyama | Japan | + 14.64″ |
| 5 | Diana Durães | Portugal | + 22.53″ |
| 6 | Caitlin Deans | New Zealand | + 27.67″ |
| 7 | Hanna Eriksson | Sweden | + 35.77″ |
 Maddy Gough | Australia | DNS | |
 Boglárka Kapás | Hungary | DNS | |
| Ariarne Titmus | Australia | DNS |