Swimming at the 2014 Summer Youth Olympics – Mixed 4 × 100 metre medley relay
The mixed 4 × 100 metre medley relay event in swimming at the 2014 Summer Youth Olympics took place on 22 August at the Nanjing Olympic Sports Centre in Nanjing, China.
Results
Heats
The heats were held at 11:06.| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 1 | Qiu Yuhan Zhang Zhihao Li Zhuhao Shen Duo | 3:54.01 | Q | |
| 2 | 3 | 8 | Irina Prikhodko Anton Chupkov Aleksandr Sadovnikov Daria S. Ustinova | 3:54.71 | Q | |
| 3 | 3 | 4 | Amy Forrester Grayson Bell Brianna Throssell Kyle Chalmers | 3:55.34 | Q | |
| 4 | 1 | 4 | Nathania van Niekerk Jarred Crous Joshua Steyn Marlies Ross | 3:57.44 | Q | |
| 5 | 3 | 6 | Luke Greenbank Georgina Evans Charlotte Atkinson Miles Munro | 3:58.80 | Q | |
| 6 | 1 | 5 | Laura Yus Gonzalo Carazo Guillermo Sánchez África Zamorano | 3:58.95 | Q | |
| 7 | 2 | 4 | Natalia de Luccas Andreas Mickosz Giovanna Diamante Matheus Santana | 3:59.91 | Q | |
| 8 | 2 | 5 | Tereza Grusová Vojtěch Simbartl Lucie Svěcená Petr Novak | 4:00.27 | Q | |
| 9 | 3 | 2 | Koki Tsunefuka Ippei Watanabe Jurina Shiga Rina Yoshimura | 4:00.73 | ||
| 10 | 2 | 7 | Armin Porobic Sofie Reisænen Elise Olsen Henrik Christiansen | 4:01.25 | ||
| 11 | 1 | 6 | Patrick Conaton Meghan Small Justin Wright Clara Smiddy | 4:01.27 | ||
| 12 | 2 | 2 | Laurent Bams Kim Busch Mathys Goosen Esmee Bos | 4:02.16 | ||
| 13 | 2 | 1 | Song Suk-gyu Yang Ji-won Park Jin-young Kim Jae-youn | 4:02.99 | ||
| 14 | 1 | 3 | Petter Fredriksson Sophie Hansson Jaqueline Hippi Isak Eliasson | 4:03.09 | ||
| 15 | 3 | 7 | Bobbi Gichard Jacob Garrod Michael Mincham Gabrielle Fa'amausili | 4:03.52 | ||
| 16 | 3 | 5 | Danielle Hanus Kelsey Wog Colin Gilbert Javier Acevedo | 4:05.06 | ||
| 17 | 2 | 8 | Žan Pogačar Tjaša Pintar Nastja Govejšek Grega Popović | 4:06.32 | ||
| 18 | 2 | 6 | Lau Shiu Yue Sutton Choi Siobhan Haughey Jamie Yeung | 4:10.03 | ||
| 2 | 3 | Pauline Mahieu Jean Dencausse Camille Wishaupt Guillaume Laure | DSQ | |||
| 3 | 3 | Carita Luukkanen Jakob Nordman Adam Vik Silja Känsäkoski | DSQ |
Final
The final was held at 19:29.| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Li Guangyuan He Yun Zhang Yufei Yu Hexin | 3:49.33 | |||
| 5 | Irina Prikhodko Anton Chupkov Aleksandr Sadovnikov Daria S. Ustinova | 3:50.86 | |||
| 3 | Amy Forrester Grayson Bell Nicholas Brown Ami Matsuo | 3:52.45 | |||
| 4 | 1 | Natalia de Luccas Andreas Mickosz Giovanna Diamante Matheus Santana | 3:53.93 | ||
| 5 | 6 | Nathania van Niekerk Jarred Crous Joshua Steyn Marlies Ross | 3:54.86 | AF | |
| 6 | 2 | Luke Greenbank Georgina Evans Charlotte Atkinson Duncan Scott | 3:58.32 | ||
| 7 | 8 | Tereza Grusová Vojtěch Simbartl Lucie Svěcená Petr Novak | 3:59.63 | ||
| 8 | 7 | Laura Yus Gonzalo Carazo Juan Marín África Zamorano | 3:59.71 |