2009 World Championships in Athletics – Women's 4 × 400 metres relay
* Runners who participated in the heats only and received medals.
**Original medalists Russia forfeited results and medals as a result of disqualification of Kapachinskaya.
Prior to the competition, the following records were as follows.
No new world or championship record was set during this competition.
Qualification: First 3 of each heat (Q) plus the 2 fastest times (q) advance to the final.
Key: DQ = Disqualified, Q = qualification by place in heat, q = qualification by overall place, SB = Seasonal best
|United States (USA)||Debbie Dunn, Allyson Felix, Lashinda Demus, Sanya Richards||3:17.83||WL|
|Jamaica (JAM)||Rosemarie Whyte, Novlene Williams-Mills, Shereefa Lloyd, Shericka Williams||3:21.15||SB|
|Great Britain & N.I. (GBR)||Lee McConnell, Christine Ohuruogu, Vicki Barr, Nicola Sanders||3:25.16||SB|
|4||Germany (GER)||Fabienne Kohlmann, Sorina Nwachukwu, Esther Cremer, Claudia Hoffmann||3:27.61|
|5||Nigeria (NGR)||Endurance Abinuwa, Muizat Ajoke Odumosu, Josephine Ehigie, Folasade Abugan||3:28.55||SB|
|6||France (FRA)||Virginie Michanol, Aurélie Kamga, Symphora Béhi, Solen Désert-Mariller||3:30.16|
|7||Cuba (CUB)||Diosmely Peña, Daisurami Bonne, Zulia Calatayud, Indira Terrero||3:36.99|
Key: SB = Seasonal best, WL = World leading (in a given season)
- Women's 4 x 400 metres relay qualification from IAAF (Archived 2009-09-08). IAAF. Retrieved on 2009-08-27.
- Women's 4 x 400 metres relay final results from IAAF. IAAF. Retrieved on 2009-08-27.