2012 African Championships in Athletics
Track events
100 m	men	women
200 m	men	women
400 m	men	women
800 m	men	women
1500 m	men	women
5000 m	men	women
10,000 m	men	women
100 m hurdles		women
110 m hurdles	men
400 m hurdles	men	women
3000 m steeplechase	men	women
4×100 m relay	men	women
4×400 m relay	men	women
Road events
20 km walk	men	women
Field events
High jump	men	women
Pole vault	men	women
Long jump	men	women
Triple jump	men	women
Shot put	men	women
Discus throw	men	women
Hammer throw	men	women
Javelin throw	men	women
Combined events
Heptathlon		women
Decathlon	men

The women's 400 metres at the 2012 African Championships in Athletics was held at the Stade Charles de Gaulle on 27, 28 and 29 June.

Gold	Amantle Montsho  Botswana
Silver	Regina George  Nigeria
Bronze	Amy Mbacké Thiam  Senegal

Standing records prior to the 2012 African Championships in Athletics
World record	Marita Koch (GER)	47.60	Canberra, Australia	6 October 1985
African record	Falilat Ogunkoya (NGR)	49.10	Atlanta, United States	29 July 1996
Championship record	Amantle Montsho (BOT)	49.83	Addis Ababa, Ethiopia	2 May 2008
Broken records during the 2012 African Championships in Athletics
Championship record	Amantle Montsho (BOT)	49.54	Porto Novo, Benin	29 June 2012

First 4 in each heat (Q) and 4 best performers (q) advance to the Semifinals.

Rank	Heat	Lane	Name	Nationality	Time	Note
1	2	8	Amantle Montsho	Botswana	50.42	Q
2	2	3	Regina George	Nigeria	51.39	Q
3	1	4	Tsholofelo Thipe	South Africa	52.06	Q
4	4	6	Bukola Abogunloko	Nigeria	52.11	Q
5	2	2	Joyce Sakari	Kenya	52.38	Q
6	2	7	Ndeye Fatou Soumah	Senegal	52.57	Q
7	1	3	Raasin McIntosh	Liberia	52.63	Q
8	5	1	Lydia Mashila	Botswana	52.65	Q
9	4	8	Goitseone Seleka	Botswana	53.11	Q
10	1	5	Salam Abrhaley	Ethiopia	53.47	Q
11	3	3	Rorisang Ramonnye	South Africa	53.58	Q
11	4	2	Estie Wittstock	South Africa	53.58	Q
13	1	8	Endurance Abinuwa	Nigeria	53.65	Q
14	5	8	Tigst Assefa	Ethiopia	54.05	Q
15	1	6	Matacha Ngoye Akamabi	Republic of the Congo	54.31	q
16	2	4	Adelaide Nkrumah	Ghana	54.49	q
17	1	7	Fatou Dyabaye	Senegal	54.60	q
18	3	4	Amy Mbacké Thiam	Senegal	54.65	Q
19	1	2	Audrey Nkamsao	Cameroon	54.67	q
20	3	7	Grace Kidake	Kenya	54.91	Q
21	5	3	Yvonne Amegashie	Ghana	54.98	Q
22	4	3	Catherine Nandi	Kenya	54.99	Q
23	2	6	Phumlile Ndzinisa	Swaziland	55.37
24	4	5	Mahlet Mulugeta	Ethiopia	55.62
25	3	2	Souliatou Saka	Benin	55.77	Q
26	3	1	Lydie Besme Hawa	Chad	57.01
27	3	8	Natasha Bibi	Seychelles	57.36
28	5	6	Kadia Dembele	Mali	57.74	Q
29	5	4	Bana Lafia Gounou	Benin	58.65
30	2	5	Mohmed Ali Sourah	Djibouti	1:03.84
	5	5	Vanice Monteiro	Cape Verde	DNF
	5	7	Tjipekapora Herunga	Namibia	DSQ
	3	5	Rahma Mohammed	Eritrea	DNS
	3	6	Angele Cooper	Liberia	DNS
	4	4	Ramata Nikiema	Burkina Faso	DNS
	4	7	Graciela Maitius	Guinea-Bissau	DNS
	5	2	Racheal Nachula	Zambia	DNS

First 2 in each heat (Q) and 2 best performers (q) advance to the Final.

Rank	Heat	Lane	Name	Nationality	Time	Note
1	2	5	Amantle Montsho	Botswana	51.25	Q
2	1	4	Regina George	Nigeria	51.71	Q
3	3	6	Bukola Abogunloko	Nigeria	52.12	Q
4	3	5	Amy Mbacké Thiam	Senegal	52.35	Q
5	1	5	Joyce Sakari	Kenya	52.36	Q
6	1	6	Tsholofelo Thipe	South Africa	52.51	q
7	3	8	Estie Wittstock	South Africa	52.61	q
8	1	8	Ndeye Fatou Soumah	Senegal	52.85
9	2	6	Raasin McIntosh	Liberia	52.91	Q
10	2	4	Rorisang Ramonnye	South Africa	52.93
11	3	3	Lydia Mashila	Botswana	53.60
12	2	8	Endurance Abinuwa	Nigeria	53.75
13	1	3	Goitseone Seleka	Botswana	54.09
14	2	3	Salam Abrhaley	Ethiopia	54.84
15	3	7	Catherine Nandi	Kenya	54.91
16	2	2	Fatou Dyabaye	Senegal	55.19
17	1	1	Audrey Nkamsao	Cameroon	55.20
18	2	7	Grace Kidake	Kenya	55.47
19	3	4	Tigst Assefa	Ethiopia	55.58
20	1	7	Yvonne Amegashie	Ghana	55.82
21	3	2	Adelaide Nkrumah	Ghana	55.85
22	2	1	Souliatou Saka	Benin	56.64
23	3	1	Matacha Ngoye Akamabi	Republic of the Congo	57.47
24	1	2	Kadia Dembele	Mali	57.64

Rank	Lane	Name	Nationality	Time	Note
	3	Amantle Montsho	Botswana	49.54	CR
	5	Regina George	Nigeria	51.11
	4	Amy Mbacké Thiam	Senegal	51.68
4	6	Bukola Abogunloko	Nigeria	51.78
5	2	Tsholofelo Thipe	South Africa	52.26
6	8	Joyce Sakari	Kenya	52.28
7	1	Estie Wittstock	South Africa	52.84
	7	Raasin McIntosh	Liberia	DNS

• Results