2010 IAAF World Indoor Championships – Women's 400 metres
The women's 400 metres at the 2010 IAAF World Indoor Championships was held at the ASPIRE Dome on 12 and 13 March.
Medalists
| Gold | Silver | Bronze |
Debbie Dunn United States |
Tatyana Firova Russia |
Vania Stambolova Bulgaria |
Records
| Standing records prior to the 2010 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 | Debbie Dunn (USA) |
50.86 | Albuquerque, United States | 28 February 2010 |
| 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 | .svg.png.webp){kind=small} 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 12, 2010 | 9:00 | Heats |
| March 12, 2010 | 19:05 | Semifinals |
| March 13, 2010 | 17:30 | Final |
Results
Heats
Qualification: First 2 in each heat (Q) and the next 4 fastest (q) advance to the semifinals.
| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 1 | Debbie Dunn | United States | 52.24 | Q |
| 2 | 1 | Christine Amertil | Bahamas | 52.50 | Q |
| DQ | 4 | Tatyana Firova | Russia | Q, Doping | |
| 4 | 1 | Amantle Montsho |  Botswana | 52.72 | q, NR |
| 5 | 4 | Novlene Williams-Mills |  Jamaica | 52.73 | Q |
| 6 | 2 | Denisa Ščerbová-Rosolová | Czech Republic | 52.75 | Q, PB |
| 7 | 2 | DeeDee Trotter | United States | 52.75 | Q |
| 8 | 2 | Aliann Pompey | Guyana | 52.76 | q |
| DQ | 2 | Bobby-Gaye Wilkins | Jamaica | Q, Doping | |
| 9 | 4 | Maris Mägi |  Estonia | 53.21 | q |
| 10 | 3 | Natalya Nazarova | Russia | 53.50 | Q |
| 11 | 4 | Zuzana Hejnová | Czech Republic | 53.56 | |
| 12 | 3 | Vania Stambolova | Bulgaria | 53.57 | Q |
| 13 | 1 | Kou Luogon |  Liberia | 53.69 | |
| 14 | 3 | Virginie Michanol |  France | 53.70 | |
| 15 | 4 | Tiandra Ponteen |  Saint Kitts and Nevis | 53.89 | |
| 16 | 3 | Antonina Yefremova |  Ukraine | 53.97 | |
| DQ | 1 | Munira Saleh |  Syria | Doping | |
| 17 | 3 | Tjipekapora Herunga |  Namibia | 55.40 | NR |
| 18 | 3 | Kay Khine Lwin | .svg.png.webp){kind=small} Myanmar | 1:00.78 | NR |
| 2 | Racheal Nachula |  Zambia | DNS | ||
| 2 | Klodiana Shala |  Albania | DNS |
Semifinals
Qualification: First 3 in each heat (Q) advance to the final.
| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| DQ | 1 | Tatyana Firova | Russia | Q, Doping | |
| 2 | 1 | Novlene Williams-Mills | Jamaica | 51.77 | Q, SB |
| 3 | 2 | Debbie Dunn | United States | 52.08 | Q |
| 4 | 1 | Aliann Pompey | Guyana | 52.29 | Q |
| 5 | 2 | Vania Stambolova | Bulgaria | 52.30 | Q |
| 6 | 2 | Amantle Montsho | Botswana | 52.34 | Q, NR |
| 7 | 1 | Christine Amertil | Bahamas | 52.36 | SB |
| 8 | 2 | Natalya Nazarova | Russia | 52.47 | |
| 9 | 1 | DeeDee Trotter | United States | 52.55 | |
| DQ | 2 | Bobby-Gaye Wilkins | Jamaica | Doping | |
| 10 | 2 | Denisa Ščerbová-Rosolová | Czech Republic | 52.92 | |
| 11 | 1 | Maris Mägi | Estonia | 53.30 |
Final
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
 | Debbie Dunn | United States | 51.04 | |
| DQ | Tatyana Firova | Russia | PB, Doping | |
 | Vania Stambolova | Bulgaria | 51.50 | SB |
 | Amantle Montsho | Botswana | 52.53 | |
| 4 | Aliann Pompey | Guyana | 52.75 | |
| Novlene Williams-Mills | Jamaica | DNF |
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