2017 World Championships in Athletics – Women's 400 metres

Women's 400 metres at the 2017 World Championships
The finish of the final.
Venue	Olympic Stadium
Dates	6 August (heats) 7 August (semifinal) 9 August (final)
Competitors	49 from 32 nations
Medalists
Phyllis Francis    United States   Salwa Eid Naser    Bahrain   Allyson Felix    United States
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The women's 400 metres at the 2017 World Championships in Athletics was held at the London Olympic Stadium on 6−7 and 9 August. ^[1]

Summary

In wet conditions, Shaunae Miller-Uibo took an early lead, which she maintained coming onto the home stretch, with Allyson Felix in second and Phyllis Francis and Salwa Eid Naser gaining on both of them. ^[2] Miller-Uibo stumbled and slowed to a jog, being passed by Francis, Felix, and Nasser. Francis continued on to win while Nasser, breaking her own national record, dipped past Felix on the line. ^{[3] [4]}

Records

Before the competition records were as follows: ^[5]

Record	Perf.	Athlete	Nat.	Date	Location
World	47.60	Marita Koch	GDR	6 Oct 1985	Canberra, Australia
Championship	47.99	Jarmila Kratochvílová	TCH	10 Aug 1983	Helsinki, Finland
World leading	49.65	Allyson Felix	USA	9 Jul 2017	London, Great Britain
African	49.10	Falilat Ogunkoya	NGR	29 Jul 1996	Atlanta, United States
Asian	49.81	Ma Yuqin	CHN	11 Sep 1993	Beijing, China
NACAC	48.70	Sanya Richards-Ross	USA	16 Sep 2006	Athens, Greece
South American	49.64	Ximena Restrepo	COL	5 Aug 1992	Barcelona, Spain
European	47.60	Marita Koch	GDR	6 Oct 1985	Canberra, Australia
Oceanian	48.63	Cathy Freeman	AUS	29 Jul 1996	Atlanta, United States

The following records were set at the competition: ^[6]

Record	Perf.	Athlete	Nat.	Date
Sierra Leonean	53.20	Maggie Barrie	SLE	6 Aug 2017
Bahraini	50.57	Salwa Eid Naser	BHR	6 Aug 2017
	50.08			7 Aug 2017
	50.06			9 Aug 2017

Qualification standard

The standard to qualify automatically for entry was 52.10. ^[7]

Schedule

The event schedule, in local time (UTC+1), is as follows: ^[8]

Date	Time	Round
6 August	11:55	Heats
7 August	20:55	Semifinals
9 August	21:50	Final

Results

Heats

The first round took place on 6 August in six heats as follows: ^[9]

Heat	1	2	3	4	5	6
Start time	11:54	12:03	12:12	12:21	12:30	12:39
Photo finish	link	link	link	link	link	link

The first three in each heat ( Q ) and the next six fastest ( q ) qualified for the semifinals. The overall results were as follows: ^[10]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	4	3	Salwa Eid Naser	Bahrain	50.57	Q, NR
2	4	9	Phyllis Francis	United States	50.94	Q
3	2	3	Shaunae Miller-Uibo	Bahamas	50.97	Q
4	4	4	Novlene Williams-Mills	Jamaica	51.00	Q
5	3	2	Kabange Mupopo	Zambia	51.09	Q, SB
6	6	4	Chrisann Gordon	Jamaica	51.14	Q
7	3	4	Shericka Jackson	Jamaica	51.26	Q
8	2	7	Stephenie Ann McPherson	Jamaica	51.27	Q
9	6	2	Amantle Montsho	Botswana	51.37	Q, SB
10	3	6	Gunta Latiševa-Čudare	Latvia	51.37	Q, PB
11	3	8	Lydia Jele	Botswana	51.41	q
12	5	8	Quanera Hayes	United States	51.43	Q
13	6	3	Margaret Bamgbose	Nigeria	51.57	Q, SB
14	2	9	Yinka Ajayi	Nigeria	51.58	Q
15	2	6	Bianca Răzor	Romania	51.64	q
16	3	3	Ruth Spelmeyer	Germany	51.72	q, SB
17	5	9	Patience Okon George	Nigeria	51.83	Q
18	5	4	Zoey Clark	Great Britain & N.I.	51.88	Q
19	6	7	Iga Baumgart	Poland	51.88	q
20	3	5	Roxana Gomez	Cuba	51.98	q
21	5	2	Nirmala Sheoran	India	52.01	q
22	3	7	Elea-Mariama Diarra	France	52.06
23	6	6	Tamara Salaški	Serbia	52.13
24	6	5	Kendall Ellis	United States	52.18
25	2	4	Emily Diamond	Great Britain & N.I.	52.20
26	5	7	Morgan Mitchell	Australia	52.22
27	5	5	Anastasiia Bryzgina	Ukraine	52.26
28	4	8	Małgorzata Hołub	Poland	52.26
29	1	1	Allyson Felix	United States	52.44	Q
30	4	5	Lisanne de Witte	Netherlands	52.48
31	6	9	Déborah Sananes	France	52.50
32	2	5	Aiyanna Stiverne	Canada	52.55
33	4	6	Amalie Iuel	Norway	52.55
34	6	8	Anyika Onuora	Great Britain & N.I.	52.58
35	1	2	Irini Vasiliou	Greece	52.61	Q
36	5	6	Carline Muir	Canada	52.70
37	1	6	Ashley Kelly	British Virgin Islands	52.70	Q
38	3	9	Anita Horvat	Slovenia	52.78
39	2	2	Cátia Azevedo	Portugal	52.79
40	1	9	Maria Benedicta Chigbolu	Italy	53.00
41	1	4	Maggie Barrie	Sierra Leone	53.20	NR
42	4	2	Eleni Artymata	Cyprus	53.26
43	2	8	Christine Botlogetswe	Botswana	53.50
44	1	8	Justyna Święty	Poland	53.62
45	4	7	Domonique Williams	Trinidad and Tobago	53.72
46	1	5	Maximila Imali	Kenya	53.97
47	1	7	Travia Jones	Canada	54.02
48	5	3	Djénébou Danté	Mali	54.04
49	1	3	Samantha Dirks	Belize	54.74

Semifinals

The semifinals took place on 7 August in three heats as follows: ^[11]

Heat	1	2	3
Start time	20:55	21:03	21:11
Photo finish	link	link	link

The first two in each heat ( Q ) and the next two fastest ( q ) qualified for the final. The overall results were as follows: ^[12]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	2	7	Salwa Eid Naser	Bahrain	50.08	Q, NR
2	2	4	Allyson Felix	United States	50.12	Q
3	1	5	Shaunae Miller-Uibo	Bahamas	50.36	Q
4	3	5	Phyllis Francis	United States	50.37	Q
5	1	7	Stephenie Ann McPherson	Jamaica	50.56	Q, SB
6	3	4	Kabange Mupopo	Zambia	50.60	Q, SB
7	2	9	Novlene Williams-Mills	Jamaica	50.67	q
8	2	5	Shericka Jackson	Jamaica	50.70	q
9	1	6	Quanera Hayes	United States	50.71
10	3	7	Chrisann Gordon	Jamaica	50.87
11	3	6	Amantle Montsho	Botswana	51.28	SB
12	1	8	Gunta Latiševa-Čudare	Latvia	51.57
13	2	2	Lydia Jele	Botswana	51.57
14	3	3	Ruth Spelmeyer	Germany	51.77
15	3	2	Iga Baumgart	Poland	51.81
16	3	8	Zoey Clark	Great Britain & N.I.	51.81	PB
17	1	3	Roxana Gomez	Cuba	52.01
18	1	2	Bianca Răzor	Romania	52.09
19	2	8	Yinka Ajayi	Nigeria	52.10
20	3	9	Margaret Bamgbose	Nigeria	52.23
21	1	4	Patience Okon George	Nigeria	52.60
22	2	3	Nirmala Sheoran	India	53.07
23	2	6	Irini Vasiliou	Greece	53.27
24	1	9	Ashley Kelly	British Virgin Islands	54.50

Final

The final took place on 9 August at 21:50. The results were as follows: (photo finish) ^[13]

Rank	Lane	Name	Nationality	Time	Notes
	6	Phyllis Francis	United States	49.92	PB
	4	Salwa Eid Naser	Bahrain	50.06	NR
	5	Allyson Felix	United States	50.08
4	7	Shaunae Miller-Uibo	Bahamas	50.49
5	2	Shericka Jackson	Jamaica	50.76
6	8	Stephenie Ann McPherson	Jamaica	50.86
7	9	Kabange Mupopo	Zambia	51.15
8	3	Novlene Williams-Mills	Jamaica	51.48

References

External videos
Women's 400m Final: IAAF World Championships London 2017 on YouTube

1. Start list
2. "Phyllis Francis wins gold after Shaunae Miller-Uibo suffers 400m heartache". The Guardian. 10 August 2017. Retrieved 10 August 2017.
3. "What Happened Today at the 2017 World Track & Field Championships". Runner's World . 9 August 2017. Retrieved 11 August 2017.
4. "Phyllis Francis Shocks Shaunae Miller-Uibo, Allyson Felix In World 400 Win". FloTrack. 9 August 2017. Retrieved 11 August 2017.
5. "400 Metres Women − Records". IAAF . Retrieved 31 July 2017.
6. "Records Set - Final" (PDF). IAAF . Retrieved 14 August 2017.
7. "Qualification System and Entry Standards" (PDF). IAAF . Retrieved 9 August 2017.
8. "400 Metres Women − Timetable". IAAF . Retrieved 9 August 2017.
9. "400 Metres Women − Heats − Results" (PDF). IAAF . Retrieved 9 August 2017.
10. "400 Metres Women − Heats − Summary" (PDF). IAAF . Retrieved 9 August 2017.
11. "400 Metres Women − Semi-Final − Results" (PDF). IAAF . Retrieved 9 August 2017.
12. "400 Metres Women − Semi-Final − Summary" (PDF). IAAF . Retrieved 9 August 2017.
13. "400 Metres Women − Final − Results" (PDF). IAAF . Retrieved 9 August 2017.