2005 World Championships in Athletics – Women's 400 metres
# 2005 World Championships in Athletics – Women's 400 metres

The women's 400 metres at the 2005 World Championships in Athletics was held on August 7, 8 and 10 at the Helsinki Olympic Stadium.

## Medals

| Gold: | Silver: | Bronze: |
| - | - | - |
| Tonique Williams-Darling (Bahamas) | Sanya Richards (United States) | Ana Guevara (Mexico) |

## Results

All times shown are in seconds.

* AR area record | CR championship record | GR games record | NR national record | OR Olympic record | PB personal best | SB season best | WL world leading (in a given season)
* DNS = did not start | DQ = disqualification | NM = no mark (i.e. no valid result) | Q = qualification by place in heat | q = qualification by overall place

### Heats

August 7, 2005

**Heat 1**

* Ana Guevara 51.14 Q
* Christine Amertil 51.35 Q
* Fatou Bintou Fall 51.45 Q
* Donna Fraser 51.68 q
* Anna Guzowska 52.20 q
* Dímitra Dóva 52.29
* Egle Uljas 52.94 (SB)
* Kou Luogon 54.85

**Heat 2**

* DeeDee Trotter 51.44 Q
* Christine Ohuruogu 51.76 Q
* Karen Shinkins 51.82 Q
* Kaltouma Nadjina 51.88 q
* Lucimar Teodoro 52.19 q
* Asami Tanno 52.80
* Sandrine Thiébaud-Kangni 53.39
* Gayane Bulghadaryan 59.46

**Heat 3**

* Svetlana Pospelova 50.80 Q
* Tiandra Ponteen 51.37 Q
* Nawal El Jack 51.61 Q
* Maria Laura Almirão 52.69
* Libania Grenot 53.05
* Barbara Petráhn 53.09
* Kirsi Mykkänen 53.10
* Shifana Ali 1:01.55 (SB)

**Heat 4**

* Tonique Williams-Darling 51.04 Q
* Olesya Zykina 51.59 Q
* Shericka Williams 52.07 Q
* Anna Kozak 52.19 q
* Grażyna Prokopek 52.39
* Solen Désert-Mariller 52.94
* Amantle Montsho 53.97

**Heat 5**

* Sanya Richards 51.00 Q
* Amy Mbacké Thiam 51.66 Q
* Lorraine Fenton 52.07 Q
* Hazel-Ann Regis 52.51
* Antonina Yefremova 52.89
* Aliann Pompey 53.12
* Estie Wittstock 53.28

**Heat 6**

* Natalya Antyukh 51.38 Q
* Monique Henderson 51.65 Q
* Ilona Usovich 51.66 Q
* Lee McConnell 52.00 q
* Ronetta Smith 52.26
* Kineke Alexander 54.45
* Mounira Al-Saleh 55.83
* Hortense Bewouda DNF

### Semifinal

August 8, 2005

**Heat 1**

* Sanya Richards 50.05 Q
* Amy Mbacké Thiam 50.83 Q (SB)
* Natalya Antyukh 50.99
* Nawal El Jack 51.85
* Tiandra Ponteen 51.88
* Shericka Williams 52.44
* Donna Fraser 52.48
* Anna Kozak 52.73

**Heat 2**

* Svetlana Pospelova 50.34 Q
* DeeDee Trotter 50.73 Q
* Christine Amertil 51.03
* Christine Ohuruogu 51.43
* Lorraine Fenton 51.48
* Kaltouma Nadjina 52.07
* Fatou Bintou Fall 52.35
* Anna Guzowska 52.45

**Heat 3**

* Tonique Williams-Darling 49.69 Q (SB)
* Ana Guevara 50.33 Q
* Olesya Zykina 50.73 q (SB)
* Monique Henderson 50.73 q
* Ilona Usovich 50.96 (PB)
* Lee McConnell 51.15 (SB)
* Lucimar Teodoro 51.98
* Karen Shinkins 52.17

### Final

August 10, 2005

* Tonique Williams-Darling 49.55 (SB)
* Sanya Richards 49.74
* Ana Guevara 49.81 (SB)
* Svetlana Pospelova 50.11
* DeeDee Trotter 51.14
* Olesya Zykina 51.24
* Monique Henderson 51.77
* Amy Mbacké Thiam 52.22
