2018 FINA World Swimming Championships (25 m) – Mixed 4 × 50 metre freestyle relay

Mixed 4 × 50 metre freestyle relay2018 FINA World Swimming Championships (25 m)
Venue	Hangzhou Sports Park Stadium
Dates	12 December (heats and final)
Nations	47
Winning time	1:27.89 WR
Medalists
Caeleb Dressel Ryan Held Mallory Comerford Kelsi Dahlia Michael Andrew Michael Chadwick Olivia Smoliga Madison Kennedy   United States   Jesse Puts Stan Pijnenburg Ranomi Kromowidjojo Femke Heemskerk Kim Busch Valerie van Roon   Netherlands   Vladimir Morozov Evgeny Sedov Maria Kameneva Rozaliya Nasretdinova Evgeny Rylov Ivan Kuzmenko Arina Surkova   Russia

Template:2018 FINA World Swimming Championships (25 m) The men's 4 × 50 metre freestyle relay competition of the 2018 FINA World Swimming Championships (25 m) was held on 12 December 2018.

Records

Prior to the competition, the existing world and championship records were as follows.

	Name	Nation	Time	Location	Date
World record	Nyls Korstanje (21.42) Kyle Stolk (20.66) Ranomi Kromowidjojo (23.01) Femke Heemskerk (23.30)	Russia	1:28.39	Copenhagen	16 December 2017
Championship record	Josh Schneider (20.94) Matt Grevers (20.75) Madison Kennedy (23.63) Abbey Weitzeil (23.25)	United States	1:28.57	Doha, Qatar	6 December 2014

The following records were established during the competition:

Date	Event	Name	Nation	Time	Record
14 December	Final	Caeleb Dressel (20.43) Ryan Held (20.60) Mallory Comerford (23.44) Kelsi Dahlia (23.42)	United States	1:27.89	WR, CR

Results

Heats

The heats were started at 11:07.

Final

The final was held at 20:44.

Rank	Lane	Nation	Swimmers	Time	Notes
	4	United States	Caeleb Dressel (20.43) Ryan Held (20.60) Mallory Comerford (23.44) Kelsi Dahlia (23.42)	1:27.89	WR
	2	Netherlands	Jesse Puts (21.17) Stan Pijnenburg (21.18) Ranomi Kromowidjojo (23.09) Femke Heemskerk (23.07)	1:28.51
	5	Russia	Vladimir Morozov (20.75) Evgeny Sedov (20.66) Maria Kameneva (23.66) Rozaliya Nasretdinova (23.66)	1:28.73
4	6	Japan	Katsumi Nakamura (21.03) Kosuke Matsui (20.90) Aya Sato (23.62) Runa Imai (23.96)	1:29.51
5	7	Brazil	Matheus Santana (21.35) César Cielo (20.80) Larissa Oliveira (24.45) Etiene Medeiros (23.31)	1:29.91
6	3	Australia	Cameron McEvoy (21.04) Cameron Jones (21.11) Holly Barratt (23.90) Emily Seebohm (24.04)	1:30.09
7	8	Italy	Santo Condorelli (21.09) Andrea Vergani (21.06) Federica Pellegrini (24.70) Elena Di Liddo (24.11)	1:30.96
8	1	Finland	Andrei Tuomola (22.26) Ari-Pekka Liukkonen (20.84) Jenna Laukkanen (24.06) Mimosa Jallow (24.07)	1:31.23