2 3 Emily Muteti (1:01,03)Hamdan Bayusuf (56,38)Talisa Lanoe (1:01,96)Issa Mohamed (53,49) 3:52,86 25. 3 6 Vahan Mkhitaryan (53,85)Monika Vasilyan (1:03,33)Ani Poghosyan (1:01,29)Vladimir Mamikonyan (54,49) 3:52,96 26. 3 9 Yesui Bayar (1:11,46)Batsaikhan Dulguun (55,65)Enkhkhuslen Batbayar (1:05,69)Delgerkhuu Myagmar (56,05) 4:08,85 1 3 3 1 3 7 2 0 Anastasiya Tyurina (59,88)Karina Klimyk (1:05,82)Olim Kurbanov (1:11,96)Ramziyor Khorkashov (DSQ) 4 0 Ryan Pini (50,86)Tegan McCarthy (1:06,05)Barbara Vali-Skelton (1:04,02)Sam Seghers (DSQ)
Finał Finał odbył się o 19:17. Miejsce Tor Państwo Zawodnik / Zawodniczka Czas Uwagi 4 Ryan Lochte (48,79)Nathan Adrian (47,29)Simone Manuel (53,66)Missy Franklin (53,31) 3:23,05 , CR 2 Sebastiaan Verschuren (48,74)Joost Reijns (49,09)Ranomi Kromowidjojo (52,48)Femke Heemskerk (52,79) 3:23,10 1 Santo Condorelli (48,19)Yuri Kisil (48,25)Chantal van Landeghem (53,60)Sandrine Mainville (53,55) 3:23,59 4. 5 Władimir Morozow (48,27)Aleksandr Suchorukow (47,74)Wieronika Popowa (53,72)Natalja Łowcowa (54,48) 3:24,21 5. 3 Marco Orsi (48,70)Filippo Magnini (48,19)Federica Pellegrini (54,26)Erika Ferraioli (54,11) 3:25,26 6.