Heat 4
mardi 11 décembre 2018, 03h38 GMT – 03h38 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Katie Meili | United States | 29.94″ |
| 2 |  Miho Teramura | Japan | + 0.26″ |
| 2 |  Jessica Hansen | Australia | + 0.26″ |
| 4 | Emily Seebohm | Australia | + 0.52″ |
| 5 |  Kim Busch | Netherlands | + 0.64″ |
| 6 | Jessica Vall | Spain | + 0.94″ |
| 7 |  Lisa Mamie | Switzerland | + 1.1″ |
| 8 | Andrea Podmaníková | Slovakia | + 1.4″ |
| 9 | Niamh Coyne | Ireland | + 1.48″ |
| Molly Hannis | United States | DNS |