The women's 4 × 50 metre medley 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.
Results
Heats
The heats were started at 09:30.Heats results
Final
The final was held at 19:00.Final results
References
Women's 4 x 50 metre medley relay
