2007 World Championships in Athletics – Women's 400 metres

The women's 400 metres at the 2007 World Championships in Athletics was held at the Nagai Stadium on 26, 27 and 29 August.

Medalists

Gold	Silver	Bronze
Christine Ohuruogu Great Britain	Nicola Sanders Great Britain	Novlene Williams Jamaica

KEY:	q	Fastest non-qualifiers	Q	Qualified	WR	World record	AR	Area record	NR	National record	PB	Personal best	SB	Seasonal best

Qualification: First 4 in each heat (Q) and the next 4 fastest (q) advance to the semifinals.

Rank	Heat	Name	Nationality	Time	Notes
1	4	Novlene Williams	Jamaica	50.21	Q
2	5	Christine Ohuruogu	Great Britain	50.46	Q, SB
3	5	Ilona Usovich	Belarus	50.53	Q, NR
4	4	Ana Guevara	Mexico	50.85	Q
5	1	Natalya Antyukh	Russia	50.88	Q
6	5	Natasha Hastings	United States	51.07	Q
7	1	Mary Wineberg	United States	51.25	Q
8	2	DeeDee Trotter	United States	51.27	Q
9	1	Shereefa Lloyd	Jamaica	51.42	Q
10	1	Lee McConnell	Great Britain	51.44	Q, SB
11	2	Nicola Sanders	Great Britain	51.45	Q
12	2	Joanne Cuddihy	Ireland	51.55	Q, SB
12	2	Christine Amertil	Bahamas	51.55	Q
14	4	Ionela Târlea-Manolache	Romania	51.59	Q
15	3	Tatyana Veshkurova	Russia	51.67	Q
16	3	Shericka Williams	Jamaica	51.72	Q
17	4	Aymée Martínez	Cuba	51.74	Q, PB
18	5	Indira Terrero	Cuba	51.76	Q
19	3	Barbara Petráhn	Hungary	51.86	Q, SB
20	3	Amantle Montsho	Botswana	51.87	Q
21	4	Aliann Pompey	Guyana	51.95	q
22	5	Daniela Reina	Italy	52.02	q, SB
23	4	Christy Ekpukhon Ihunaegbo	Nigeria	52.05	q
24	5	Asami Tanno	Japan	52.13	q, SB
25	2	Zuzanna Radecka	Poland	52.19
26	4	Makelesi Bulikiobo	Fiji	52.23	SB
27	1	Oksana Shcherbak	Ukraine	52.39
28	3	Kineke Alexander	Saint Vincent and the Grenadines	52.51
29	2	Folashade Abugan	Nigeria	52.58
30	5	Gabriela Medina	Mexico	53.16
31	1	Justine Bayigga	Uganda	53.25
32	2	Maria Laura Almirão	Brazil	53.68
33	1	Joy Eze	Nigeria	53.83
34	3	Ginou Etienne	Haiti	53.89
35	4	Solen Désert	France	54.03
36	1	Olga Tereshkova	Kazakhstan	54.09
37	5	Sandrine Thiébaud-Kangni	Togo	54.11
38	3	Amy Mbacké Thiam	Senegal	54.31
39	2	Hazel-Ann Regis	Grenada	54.78	SB
40	3	Nawal El Jack	Sudan	55.29
41	5	Temalangeni Dlamini	Swaziland	58.27	PB
42	2	Vera Barbosa	Cape Verde	58.56

First 2 in each semifinal(Q) and the next 2 fastest(q) advance to the final.

Rank	Heat	Name	Nationality	Time	Notes
1	1	Novlene Williams	Jamaica	49.66	Q, SB
2	2	Nicola Sanders	Great Britain	49.77	Q, PB
3	2	Natalya Antyukh	Russia	49.93	Q, SB
4	3	Christine Ohuruogu	Great Britain	50.16	Q, PB
5	1	Ana Guevara	Mexico	50.19	Q, SB
6	3	Mary Wineberg	United States	50.27	Q
7	2	DeeDee Trotter	United States	50.31	q
7	1	Ilona Usovich	Belarus	50.31	q, NR
9	2	Shericka Williams	Jamaica	50.37	SB
10	3	Tatyana Veshkurova	Russia	50.71
11	1	Joanne Cuddihy	Ireland	50.73	NR
12	3	Amantle Montsho	Botswana	50.90	NR
13	3	Shereefa Lloyd	Jamaica	51.00	PB
14	1	Lee McConnell	Great Britain	51.07	SB
15	1	Indira Terrero	Cuba	51.08
16	2	Christine Amertil	Bahamas	51.18
17	1	Natasha Hastings	United States	51.45
18	3	Christy Ekpukhon Ihunaegbo	Nigeria	51.60
19	3	Ionela Târlea-Manolache	Romania	51.62
20	1	Asami Tanno	Japan	51.81	SB
21	2	Daniela Reina	Italy	51.99	SB
22	2	Barbara Petráhn	Hungary	52.12
23	2	Aliann Pompey	Guyana	53.58
24	3	Aymée Martínez	Cuba	57.77

The final

Rank	Lane	Name	Nationality	Time	Notes
	6	Christine Ohuruogu	Great Britain	49.61	PB
	4	Nicola Sanders	Great Britain	49.65	PB
	7	Novlene Williams	Jamaica	49.66	SB
4	9	Ana Guevara	Mexico	50.16	SB
5	8	DeeDee Trotter	United States	50.17
6	5	Natalya Antyukh	Russia	50.33
7	3	Ilona Usovich	Belarus	50.54
8	2	Mary Wineberg	United States	50.96