Miejsce Wyścig Tor Państwo Zawodnicy Czas Uwagi 1. 1 4 Kathleen Dawson (58,50)Adam Peaty (57,08)James Guy (50,58)Freya Anderson (52,59) 3:38,75 Q, , 2. 1 5 Regan Smith (57,64)Andrew Wilson (59,09)Tom Shields (50,87)Abbey Weitzeil (53,42) 3:41,02 Q 3. 2 4 Xu Jiayu (52,67)Yan Zibei (58,61)Zhang Yufei (57,37)Yang Junxuan (53,64) 3:42,29 Q 4. 2 5 Isaac Cooper (53,55)Zac Stubblety-Cook (58,80)Brianna Throssell (57,62)Bronte Campbell (52,38) 3:42,35 Q 5. 2 6 Simone Sabbioni (53,96)Nicolò Martinenghi (58,38)Elena Di Liddo (57,29)Federica Pellegrini (53,02) 3:42,65 Q 6. 1 3 Kira Toussaint (1:00,12)Arno Kamminga (58,15)Nyls Korstanje (51,86)Ranomi Kromowidjojo (53,12) 3:43,25 Q 7. 2 3 Grigorij Tarasiewicz (52,99)Kiriłł Prigoda (59,33)Arina Surkowa (57,47)Marija Kamieniewa (53,94) 3:43,73 Q 8. 2 8 Anastasia Gorbenko (59,59)Itay Goldfaden (59,65)Gal Cohen Groumi (51,06)Andrea Murez (53,64) 3:43,94 Q, 9. 2 2 Anna Konishi (59,58)Shoma Sato (59,84)Katsuhiro Matsumoto (50,95)Rikako Ikee (53,78) 3:44,15 10. 1 2 Marek Ulrich (53,82)Fabian Schwingenschlögl (58,35)Lisa Höpink (58,06)Annika Bruhn (53,96) 3:44,19 11. 2 7 Apostolos Christou (53,18)Konstadinos Meretsolias (1:00,10)Anna Ntountounaki (57,08)Theodora Drakou (54,41) 3:44,77 12.