| Total | |||
| 1 | 0 | 0 | 1 |
| Medalha | País | Atleta | Final |
| Flag ofEUA | Mary Wineberg Monique Henderson Allyson Felix Sanya Richards | 3:18.54 | |
| Flag ofRUS | Liudmila Litvinova Anastasia Kapachinskaya Yulia Gushchina Tatiana Firova | 3:18.82 | |
| Flag ofJAM | Shericka Williams Rosemarie Whyte Shereefa Lloyd Novelene Williams | 3:20.40 | |
| Flag ofBLR | Iryna Khliustava Sviatlana Usovich Anna Kozak Ilona Usovich | 3:21.85 | |
| Flag ofGBR | Christine Ohuruogu Marilyn Okoro Kelly Sotherton Nicola Sanders | 3:22.68 | |
| Flag ofCUB | Zulia Calatayud Indira Terrero Roxana Diaz Susana Clement | 3:23.21 | |
| Flag ofNGR | Joy Amechi Eze Oluoma Nwoke Folashade Abugan Ajoke Odumosu | 3:23.74 | |
| Flag ofALE | Sorina Nwachukwu Claudia Hoffmann Jonna Valesca Tilgner Florence Ekpo-Umoh | 3:28.45 |
| Ranking | País | Atleta | Tempo |
| 1 | Flag ofEUA | Mary Wineberg Monique Henderson Natasha Hastings Sanya Richards | 3:22.45 |
| 2 | Flag ofJAM | Novelene Williams Shereefa Lloyd Bobby-Gaye Wilkins Shericka Williams | 3:22.60 |
| 3 | Flag ofBLR | Yulyana Yushchanka Iryna Khliustava Ilona Usovich Sviatlana Usovich | 3:22.78 |
| 4 | Flag ofRUS | Tatiana Firova Elena Migunova Tatyana Veshkurova Liudmila Litvinova | 3:23.71 |
| 5 | Flag ofNGR | Folashade Abugan Joy Amechi Eze Oluoma Nwoke Ajoke Odumosu | 3:24.10 |
| 6 | Flag ofCUB | Roxana Diaz Zulia Calatayud Susana Clement Indira Terrero | 3:25.46 |
| 7 | Flag ofGBR | Nicola Sanders Kelly Sotherton Marilyn Okoro Christine Ohuruogu | 3:25.48 |
| 8 | Flag ofALE | Claudia Hoffmann Jonna Valesca Tilgner Sorina Nwachukwu Florence Ekpo-Umoh | 3:25.55 |
| 9 | Flag ofFRA | Phara Anacharsis Thelia Sigere Solen Desert Virginie Michanol | 3:26.61 |
| 10 | Flag ofUCR | Oksana Shcherbak Tetiana Petliuk Kseniya Karandyuk Nataliia Pygyda | 3:27.44 |
| Ranking | País | Atleta | Splits | Tempo |
| 1 | Flag ofEUA | Mary Wineberg Monique Henderson Natasha Hastings Sanya Richards | 51.03 49.78 49.97 51.67 | 3:22.45 |
| 2 | Flag ofJAM | Novelene Williams Shereefa Lloyd Bobby-Gaye Wilkins Shericka Williams | 50.46 50.07 50.94 51.13 | 3:22.60 |
| 3 | Flag ofBLR | Yulyana Yushchanka Iryna Khliustava Ilona Usovich Sviatlana Usovich | 51.4 50.37 49.93 51.08 | 3:22.78 |
| 4 | Flag ofNGR | Ajoke Odumosu Folashade Abugan Joy Amechi Eze Oluoma Nwoke | 50.38 51.47 50.42 51.83 | 3:24.10 |
| 5 | Flag ofFRA | Phara Anacharsis Thelia Sigere Solen Desert Virginie Michanol | 51.76 51.75 51.2 51.9 | 3:26.61 |
| 6 | Flag ofBRA | Maria Laura Almirão Josiane Tito Emmily Pinheiro Lucimar Teodoro | 53.49 52.6 51.95 52.06 | 3:30.10 |
| 7 | Flag ofMEX | Ruth Grajeda Gabriela Medina Nallely Vela Zudikey Rodriguez | 54.71 51.03 53.01 51.61 | 3:30.36 |
| 8 | Flag ofCHN | Xiaoyin Tang Ling Han Jingwen Chen Jinping Wang | 52.27 53.51 52.08 52.91 | 3:30.77 |
| Ranking | gold | silver | bronze | Total | |
| 1. | Flag ofChina | 51 | 21 | 28 | 100 |
| 2. | Flag ofEstados Unidos | 36 | 38 | 36 | 110 |
| 3. | Flag ofRússia | 23 | 21 | 28 | 72 |
| 4. | Flag ofGrã Bretanha | 19 | 13 | 15 | 47 |
| 23. | Flag ofBrasil | 3 | 4 | 8 | 15 |