The women's 400m race at the 2012 Indoor Track and Field Athletics Championships in Istanbul took place on March 9 and 10.
Content
Winners
| Gold | Silver | Bronze |
| Sanya Richards-Ross USA | Alexandra Fedoriva Russia | Natasha Hastings USA |
Semifinals
| A place | Race | Name | Citizenship | Time | Notes |
|---|---|---|---|---|---|
| one | 3 | Sanya Richards-Ross | USA | 50.99 | Q |
| 2 | 3 | Alexandra Fedoriva | Russia | 51.79 | Q |
| 3 | one | Natasha Hastings | USA | 51.87 | Q |
| four | one | Vania Stambolova | Bulgaria | 51.87 | Q |
| five | one | Natalya Pigida | Ukraine | 51.98 | SB |
| 6 | one | Moa Helmer | Sweden | 52.29 | Nr |
| 7 | 2 | Shana Cox | Great Britain | 52.69 | Q |
| eight | 2 | Denis Rosolov | Czech | 52.78 | Q |
| 9 | 2 | Dominica Blake | Jamaica | 53.00 | |
| ten | 2 | Irina Davydova | Russia | 53.02 | |
| eleven | 3 | Patricia hull | Jamaica | 53.21 | |
| 12 | 3 | Nadia Okeire | Great Britain | 53.66 | |
| 13 | 2 | Maria Spacca | Italy | 53.71 | |
| 14 | one | Muizat Odumosu | Nigeria | 54.06 | |
| 15 | 3 | Bimbo ayedu | Benin | 54.26 | SB |
| sixteen | 3 | Meliz Radif | Turkey | 54.48 | |
| one | Alianne Pompey | Guyana | DNF | ||
| 2 | Tiandra Pontin | Saint Kitts and Nevis | DNF |
Final
| A place | Name | Citizenship | Time | Notes |
|---|---|---|---|---|
| Sanya Richards-Ross | USA | 50.79 | ||
| Alexandra Fedoriva | Russia | 51.76 | ||
| Natasha Hastings | USA | 51.82 | ||
| four | Vania Stombolova | Bulgaria | 51.99 | |
| five | Shana Cox | Great Britain | 52.13 | PB |
| 6 | Denis Rosolov | Czech | 52.48 |