| Competition | 2015 Pan American Games |
|---|---|
| Venue |
Toronto
|
| Held | — |
| Status | Medal |
| Competitors | 18 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Canada | 3:36.80 | |||
| Sandrine Mainville | 54.43 | ||||
| Michelle Williams | 54.42 | ||||
| Katerine Savard | 54.53 | ||||
| Chantal Van Landeghem | 53.42 | ||||
| Aly Ackman | — | * | |||
| Dominique Bouchard | — | * | |||
| 🥈 | United States | 3:37.01 | |||
| Allison Schmitt | 54.46 | ||||
| Amanda Weir | 54.79 | ||||
| Madison Kennedy | 53.89 | ||||
| Natalie Coughlin | 53.87 | ||||
| Katie Meili | — | * | |||
| Kelsi Worrell | — | * | |||
| 🥉 | Brazil | 3:37.39 | |||
| Larissa Oliveira | 54.67 | ||||
| Graciele Herrmann | 54.72 | ||||
| Etiene Medeiros | 53.99 | ||||
| Daynara de Paula | 54.01 | ||||
| Daiane de Oliveira | — | * | |||
| Manuella Lyrio | — | * |