Swimming at the 2019 Pan American Games – Mixed 4 × 100 metre freestyle relay
The mixed 4 × 100 metre freestyle relay competition of the swimming events at the 2019 Pan American Games are scheduled to be held August 7th, 2019 at the Villa Deportiva Nacional Videna cluster.
Records
Prior to this competition, the existing World Record was as follows:| World record | Caeleb Dressel Zach Apple Mallory Comerford Simone Manuel | 3:19.40 | Gwangju, South Korea | July 27, 2019 |
Results
Heats
The first round was held on August 7.| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | João de Lucca Pedro Spajari Lorrane Ferreira Camila Mello | 3:32.32 | Q, GR | |
| 2 | 1 | 3 | Andrew Abruzzo Charles Swanson Madison Kennedy Ali DeLoof | 3:33.52 | Q | |
| 3 | 2 | 2 | Javier Acevedo James Dergousoff Kyla Leibel Alexia Zevnik | 3:36.27 | Q | |
| 4 | 1 | 5 | Daniel Ramírez Tayde Revilak Marie Condé José Martínez Gómez | 3:37.68 | Q | |
| 5 | 1 | 4 | Lautaro Rodríguez Guido Buscaglia Macarena Ceballos Andrea Berrino | 3:39.57 | Q | |
| 6 | 2 | 6 | Sebastián Arispe Jessica Cattaneo Ricardo Espinosa McKenna DeBever | 3:39.76 | Q | |
| 7 | 2 | 3 | Jared Fitzgerald Gershwin Greene Ariel Weech Margaret Higgs | 3:41.86 | Q | |
| 8 | 2 | 5 | Antoine Khazne Andy Arteta Fabiana Pesce Simone Palomo | 3:43.63 | Q | |
| 9 | 1 | 6 | Isaac Beitia Catharine Cooper Ireyra Tamayo Hernán Gonzalez | 3:55.11 |
Final
The final round was also held on August 7.| Rank | Lane | Name | Nationality | Time | Notes |
| 5 | Michael Chadwick Nathan Adrian Claire Rasmus Margo Geer | 3:24.84 | GR | ||
| 4 | Breno Correia Marcelo Chierighini Larissa Oliveira Etiene Medeiros | 3:25.97 | |||
| 6 | Daniel Ramírez Jorge Iga Monika González-Hermosillo María Mata | 3:31.36 | NR | ||
| 4 | 8 | Cristian Quintero Alberto Mestre Vivas Jeserik Pinto Andrea Santander | 3:34.22 | ||
| 5 | 2 | Guido Buscaglia Federico Grabich Delfina Pignatiello Andrea Berrino | 3:34.87 | ||
| 6 | 3 | Alyson Ackman James Dergousoff Alexia Zevnik Javier Acevedo | 3:35.19 | ||
| 7 | 1 | Jared Fitzgerald Gershwin Greene Ariel Weech Lillian Higgs | 3:42.59 | ||
| 8 | 7 | Ricardo Espinosa Silvana Cabrera Javier Tang Juy Azra Avdic | 3:46.62 |