Heat 5
vendredi 21 mai 2021, 08h27 GMT – 08h27 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Katinka Hosszú | Hungary | 2′ 11.57″ |
| 2 | Dalma Sebestyén | Hungary | + 0.3″ |
| 3 |  Maria Ugolkova | Switzerland | + 0.52″ |
| 4 |  Anastasya Gorbenko | Israel | + 1.04″ |
| 5 |  Aimee Willmott | Great Britain | + 1.11″ |
| 6 | Kim Herkle | Germany | + 3.18″ |
| 7 | Alba Vázquez | Spain | + 3.79″ |
| 8 |  Marrit Steenbergen | Netherlands | + 4.1″ |
| 9 |  Jenna Laukkanen | Finland | + 4.73″ |
| 10 | Lena Kreundl | Austria | + 5.38″ |