The mixed 4 × 100 metre medley relay competition at the 2026 Mediterranean Games was held on 23 August at the in Taranto.

Records Prior to this competition, the existing world and Mediterranean Games records were as follows: World record3:36.70Irvine, United States12 August 2026Mediterranean Games record—

Results Heats The heats were started at 11:18.

Rank Heat Lane Nation Swimmers Time Notes 1 2 3 Federica Toma (1:01.45)Gabriele Mancini (1:00.78)Elena Capretta (59.42)Lorenzo Ballarati (49.22) 3:50.87 Q, GR 2 2 4 Diego Mira (55.28)Esther Cordente (1:09.77)Naiara Sobreviela (1:00.00)Josep Castro (48.37) 3:53.42 Q 3 2 5 Berke Saka (57.22)Pınar Dönmez (1:09.86)Polat Uzer Turnalı (54.88)Selen Özbilen (56.94) 3:58.90 Q 4 2 6 Evangelos Makrygiannis (55.43)Andromachi Tasakou (1:11.01)Anna Ntountounaki (1:03.82)Andreas Vazaios (48.88) 3:59.14 Q 5 2 2 Primož Šenica Pavletič (58.99)Tina Čelik (1:09.56)Jaka Pušnik (55.62)Nika Fain (58.25) 4:02.42 Q 6 1 3 Ricardo Santos (55.66)Ana Rodrigues (1:10.47)Inês Henriques (1:05.09)Gabriel Lopes (52.54) 4:03.76 Q 7 1 5 Luka Čarapović (1:00.89)Ana Blažević (1:11.19)Amina Kajtaz Pinjo (1:08.68)Toni Dragoja (49.42) 4:10.18 Q 8 1 6 Margherita Gregoroni (1:08.62)Giacomo Casadei (1:08.99)Alessandro Rebosio (56.26)Ilaria Ceccaroni (59.23) 4:13.10 Q 1 4 Did not start

Final The final was held at 19:34.

Rank Lane Nation Swimmers Time Notes 4 Francesco Lazzari (53.91)Gabriele Mancini (59.49)Costanza Cocconcelli (58.21)Chiara Tarantino (54.05) 3:45.66 GR 6 Apostolos Christou (52.79)Nikoletta Pavlopoulou (1:08.06)Anna Ntountounaki (58.35)Stergios Bilas (48.69) 3:47.89 7 Camila Rebelo (1:01.06)Gabriel Lopes (1:01.33)Vasco Morgado (53.04)Francisca Martins (54.77) 3:50.20 4 1 Luka Čarapović (55.07)Ana Blažević (1:09.39)Amina Kajtaz Pinjo (58.76)Toni Dragoja (48.11) 3:51.33 5 3 Sudem Denizli (1:02.94)Berkay Ömer Öğretir (1:01.14)Arda Akkoyun (53.15)Beren Başaran (57.34) 3:54.57 6 2 Primož Šenica Pavletič (56.27)Tina Čelik (1:08.31)Jaka Pušnik (55.15)Janja Šegel (54.86) 3:54.59 7 8 Margherita Gregoroni (1:07.36)Giacomo Casadei (1:03.24)Alessandro Rebosio (56.27)Ilaria Ceccaroni (57.40) 4:04.27 5 Diego Mira (55.23)Joaquín Pardo (1:00.19)Naiara Sobreviela (1:00.04)Ainhoa Campabadal Disqualified

References