Swimming at the 2018 European Aquatics Championships – Mixed 4 × 100 metre medley relay
The Mixed 4 × 100 metre medley relay competition of the 2018 European Aquatics Championships was held on 6 August 2018.
Records
Prior to the competition, the existing world and championship records were as follows.| Team | Time | Location | Date | |
| World record | 3:38.56 | Budapest | 26 July 2017 | |
| European record | 3:41.56 | Budapest | 26 July 2017 | |
| Championship record | 3:44.02 | Berlin | 19 August 2014 |
The following new records were set during this competition.
| Date | Event | Nation | Time | Record |
| 6 August | Final | 3:40.18 | CR, ER |
Results
Heats
The heats were started at 10:36.Final
The final was held at 18:22.| Rank | Lane | Nation | Swimmers | Time | Notes |
| 6 | Georgia Davies Adam Peaty James Guy Freya Anderson | 3:40.18 | ER, CR | ||
| 3 | Kliment Kolesnikov Yuliya Yefimova Svetlana Chimrova Vladimir Morozov | 3:42.71 | NR | ||
| 2 | Margherita Panziera Fabio Scozzoli Elena Di Liddo Alessandro Miressi | 3:44.85 | NR | ||
| 4 | 4 | Kira Toussaint Arno Kamminga Joeri Verlinden Ranomi Kromowidjojo | 3:45.57 | ||
| 5 | 5 | Jenny Mensing Fabian Schwingenschlögl Marius Kusch Annika Bruhn | 3:45.82 | ||
| 6 | 7 | Alicja Tchórz Marcin Stolarski Michał Chudy Katarzyna Wasick | 3:47.72 | NR | |
| 7 | 8 | Thierry Bollin Yannick Käser Svenja Stoffel Maria Ugolkova | 3:48.26 | NR | |
| 8 | 1 | Gustav Hökfelt Johannes Skagius Louise Hansson Ida Lindborg | 3:48.53 | NR |