2012 IAAF World Indoor Championships – Women's 400 metres
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The women's 400 metres at the 2012 IAAF World Indoor Championships was held at the Ataköy Athletics Arena on 9 and 10 March.
Medalists
| Gold | Silver | Bronze |
|---|---|---|
Sanya Richards-Ross United States |
Aleksandra Fedoriva Russia |
Natasha Hastings United States |
Records
| Standing records prior to the 2012 IAAF World Indoor Championships | ||||
|---|---|---|---|---|
| World record |  Jarmila Kratochvílová (TCH) |
49.59 | Milan, Italy | 7 March 1982 |
| Championship record | Olesya Forsheva (RUS) |
50.04 | Moscow, Russia | 12 March 2006 |
| World Leading |  Sanya Richards-Ross (USA) |
50.71 | Albuquerque, United States | 26 February 2012 |
| African record |  Charity Opara (NGR) |
50.73 | Stuttgart, Germany | 1 February 1998 |
| Asian record |  Li Yajun (CHN) |
52.27 | Beijing, China | 24 February 1996 |
| European record | Jarmila Kratochvílová (TCH) |
49.59 | Milan, Italy | 7 March 1982 |
| North and Central American and Caribbean record |
 Christine Amertil (BAH) |
50.34 | Moscow, Russia | 12 March 2006 |
| Oceanian Record |  Maree Holland (AUS) |
52.17 | Budapest, Hungary | 4 March 1989 |
| South American record |  Aliann Pompey (GUY) |
51.83 | New York City, United States | 26 February 2010 |
Qualification standards
| Indoor | Outdoor |
|---|---|
| 53.25 | 51.25 |
Schedule
| Date | Time | Round |
|---|---|---|
| March 9, 2012 | 9:35 | Heats |
| March 9, 2012 | 19:50 | Semifinals |
| March 10, 2012 | 18:40 | Final |
Results
Heats
Qualification: First 2 in each heat (Q) and the next 6 fastest (q) advance to the semifinals. [1]
Semifinals
Qualification: First 2 of each heat qualified (Q).[4]
| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 3 | Sanya Richards-Ross | United States | 50.99 | Q |
| 2 | 3 | Aleksandra Fedoriva | Russia | 51.79 | Q |
| 3 | 1 | Natasha Hastings | United States | 51.87 | Q |
| 4 | 1 | Vania Stambolova |  Bulgaria | 51.87 | Q |
| 5 | 1 | Nataliya Pyhyda |  Ukraine | 51.98 | SB |
| 6 | 1 | Moa Hjelmer |  Sweden | 52.29 | NR |
| 7 | 2 | Shana Cox |  Great Britain | 52.69 | Q |
| 8 | 2 | Denisa Rosolová | Czech Republic | 52.78 | Q |
| 9 | 2 | Dominique Blake |  Jamaica | 53.00 | |
| 10 | 2 | Irina Davydova | Russia | 53.02 | |
| 11 | 3 | Patricia Hall | Jamaica | 53.21 | |
| 12 | 3 | Nadine Okyere | Great Britain | 53.66 | |
| 13 | 2 | Maria Enrica Spacca |  Italy | 53.71 | |
| 14 | 1 | Muizat Ajoke Odumosu | Nigeria | 54.06 | |
| DQ | 3 | Bimbo Miel Ayedou |  Benin | ||
| 15 | 3 | Meliz Redif |  Turkey | 54.48 | |
| 1 | Aliann Pompey | Guyana | DNF | ||
| 2 | Tiandra Ponteen |  Saint Kitts and Nevis | DNF |
- † = Bimbo Miel Ayedou's sample later tested positive for banned substances and she was disqualified.[5]
Final
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
 | Sanya Richards-Ross | United States | 50.79 | |
 | Aleksandra Fedoriva | Russia | 51.76 | |
 | Natasha Hastings | United States | 51.82 | |
| 4 | Vania Stambolova | Bulgaria | 51.99 | |
| 5 | Shana Cox | Great Britain | 52.13 | PB |
| 6 | Denisa Rosolová | Czech Republic | 52.48 |