2007 World Championships in Athletics – Women's 400 metres explained

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

width=200 bgcolor=gold	Gold	width=200 bgcolor=silver	Silver	width=200 bgcolor=CC9966	Bronze
Christine Ohuruogu	Nicola Sanders	Novlene Williams

Schedule

Date	Time	Round
August 26, 2007	10:50	Heats
August 27, 2007	21:10	Semifinals
August 29, 2007	21:50	Final

Results

Heats

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

Rank	Heat	Name	Nationality	Time	Notes
	4			50.21	Q
	5			50.46	Q, SB
	5			50.53	Q, NR
	4			50.85	Q
	1			50.88	Q
	5			51.07	Q
	1			51.25	Q
	2			51.27	Q
	1			51.42	Q
10	1			51.44	Q, SB
11	2			51.45	Q
12	2			51.55	Q, SB
12	2			51.55	Q
14	4			51.59	Q
15	3			51.67	Q
16	3			51.72	Q
17	4			51.74	Q, PB
18	5			51.76	Q
19	3			51.86	Q, SB
20	3			51.87	Q
21	4			51.95	q
22	5			52.02	q, SB
23	4			52.05	q
24	5			52.13	q, SB
25	2			52.19
26	4			52.23	SB
27	1			52.39
28	3			52.51
29	2			52.58
30	5			53.16
31	1			53.25
32	2			53.68
33	1			53.83
34	3			53.89
35	4			54.03
36	1			54.09
37	5			54.11
38	3			54.31
39	2			54.78	SB
40	3			55.29
41	5			58.27	PB
42	2			58.56

Semifinals

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

Rank	Heat	Name	Nationality	Time	Notes
	1			49.66	Q, SB
	2			49.77	Q, PB
	2			49.93	Q, SB
	3			50.16	Q, PB
	1			50.19	Q, SB
	3			50.27	Q
	2			50.31	q
	1			50.31	q, NR
	2			50.37	SB
10	3			50.71
11	1			50.73	NR
12	3			50.90	NR
13	3			51.00	PB
14	1			51.07	SB
15	1			51.08
16	2			51.18
17	1			51.45
18	3			51.60
19	3			51.62
20	1			51.81	SB
21	2			51.99	SB
22	2			52.12
23	2			53.58
24	3			57.77

Final

Rank	Lane	Name	Nationality	Time	Notes
	6			49.61	PB
	4			49.65	PB
	7			49.66	SB
4	9			50.16	SB
5	8			50.17
6	5			50.33
7	3			50.54
8	2			50.96

References