2017 World Championships in Athletics – Men's 400 metres

The men's 400 metres at the 2017 World Championships in Athletics was held at the London Olympic Stadium on 5, 6, and 8 August.^[1] The winning margin was 0.43 seconds.

Men's 400 metres at the 2017 World Championships
Venue	Olympic Stadium
Dates	5 August (heats) 6 August (semifinal) 8 August (final)
Competitors	51 from 33 nations
Winning time	43.98
Medalists
Wayde van Niekerk    South Africa   Steven Gardiner    Bahamas   Abdalelah Haroun    Qatar
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Video on YouTube
Official Video

Summary

Isaac Makwala (Botswana) had qualified for the final, but was barred from competing as he was under quarantine due to the norovirus outbreak in one of the athletes' hotels.^[2] Steven Gardiner (Bahamas) started fastest, with Wayde van Niekerk (South Africa) equal to him by about 200 metres, and going on to build a lead through the final turn. Van Niekerk had time to slow down, winning comfortably ahead of Gardiner, with Abdalelah Haroun (Qatar) finishing quickly from dead last off the turn to claim bronze.^[3]

Records

Before the competition records were as follows:^[4]

Record	Perf.	Athlete	Nat.	Date	Location
World	43.03	Wayde van Niekerk	RSA	14 Aug 2016	Rio de Janeiro, Brazil
Championship	43.18	Michael Johnson	USA	26 Aug 1999	Sevilla, Spain
World leading	43.62	Wayde van Niekerk	RSA	6 Jul 2017	Lausanne, Switzerland
African	43.03	Wayde van Niekerk	RSA	14 Aug 2016	Rio de Janeiro, Brazil
Asian	43.93	Yousef Masrahi	KSA	23 Aug 2015	Beijing, China
NACAC	43.18	Michael Johnson	USA	26 Aug 1999	Seville, Spain
South American	44.29	Sanderlei Parrela	BRA	26 Aug 1999	Seville, Spain
European	44.33	Thomas Schönlebe	GDR	3 Sep 1987	Rome, Italy
Oceanian	44.38	Darren Clark	AUS	26 Sep 1988	Seoul, South Korea

The following records were set at the competition:^[5]

Record	Perf.	Athlete	Nat.	Date
Bahamian	43.89	Steven Gardiner	BAH	6 Aug 2017

Qualification standard

The standard to qualify automatically for entry was 45.50.^[6]

Schedule

The event schedule, in local time (UTC+1), was as follows:^[7]

Date	Time	Round
5 August	10:45	Heats
6 August	19:40	Semifinals
8 August	21:50	Final

Results

Heats

The first round took place on 5 August in six heats as follows:^[8]

Heat	1	2	3	4	5	6
Start time	10:45	10:53	11:02	11:11	11:21	11:29
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:^[9]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	5	6	Isaac Makwala	Botswana (BOT)	44.55	Q
2	4	7	Steven Gardiner	Bahamas (BAH)	44.75	Q
3	3	6	Baboloki Thebe	Botswana (BOT)	44.82	Q
4	6	6	Nathon Allen	Jamaica (JAM)	44.91	Q
5	1	7	Fred Kerley	United States (USA)	44.92	Q
6	6	3	Gil Roberts	United States (USA)	44.92	Q
7	3	8	Demish Gaye	Jamaica (JAM)	44.92	Q
8	5	9	LaShawn Merritt	United States (USA)	45.00	Q
9	1	8	Lalonde Gordon	Trinidad and Tobago (TTO)	45.02	Q, SB
10	5	2	Jamal Walton	Cayman Islands (CAY)	45.05	Q
11	1	6	Kevin Borlée	Belgium (BEL)	45.09	Q
12	1	9	Pavel Maslák	Czech Republic (CZE)	45.10	q, SB
13	4	5	Wilbert London	United States (USA)	45.10	Q
14	5	5	Óscar Husillos	Spain (ESP)	45.22	q, PB
15	6	9	Abdalelah Haroun	Qatar (QAT)	45.27	Q
16	2	5	Wayde van Niekerk	South Africa (RSA)	45.27	Q
17	1	5	Matthew Hudson-Smith	Great Britain & N.I. (GBR)	45.31	q
18	4	4	Brian Gregan	Ireland (IRL)	45.37	Q
19	3	3	Dwayne Cowan	Great Britain & N.I. (GBR)	45.39	Q
20	3	7	Boniface Ontuga Mweresa	Kenya (KEN)	45.58	q
21	3	9	Rafał Omelko	Poland (POL)	45.69	q
22	4	9	Jonathan Borlée	Belgium (BEL)	45.70	q
23	2	2	Davide Re	Italy (ITA)	45.71	Q
24	4	8	Luguelín Santos	Dominican Republic (DOM)	45.73
25	5	3	Raymond Kibet	Kenya (KEN)	45.75
26	5	8	Martyn Rooney	Great Britain & N.I. (GBR)	45.75
27	2	3	Machel Cedenio	Trinidad and Tobago (TTO)	45.77	Q
28	1	4	Lucas Carvalho	Brazil (BRA)	45.86
29	4	3	Mamoudou Hanne	France (FRA)	45.89
30	2	4	Teddy Atine-Venel	France (FRA)	45.90
31	2	6	Yoandys Lescay	Cuba (CUB)	45.93
32	5	7	Renny Quow	Trinidad and Tobago (TTO)	45.95
33	6	4	Mohammad Anas	India (IND)	45.98
34	1	3	Lucas Búa	Spain (ESP)	46.00
35	5	1	Winston George	Guyana (GUY)	46.02
36	2	1	Luka Janežič	Slovenia (SLO)	46.06
37	1	2	Collins Omae Gichana	Kenya (KEN)	46.10
38	2	9	Steven Solomon	Australia (AUS)	46.27
39	3	4	Samuel García	Spain (ESP)	46.37
40	3	2	Pieter Conradie	South Africa (RSA)	46.62
41	6	5	Samson Oghenewegba Nathaniel	Nigeria (NGR)	46.63
42	3	1	Warren Hazel	Saint Kitts and Nevis (SKN)	46.96
43	2	7	Kimorie Shearman	Saint Vincent and the Grenadines (VIN)	47.05
44	4	2	Yilmar Herrera	Colombia (COL)	47.18
45	6	8	Takamasa Kitagawa	Japan (JPN)	47.35
46	6	7	Karabo Sibanda	Botswana (BOT)	47.44
47	1	1	Bachir Mahamat	Chad (CHA)	47.50
48	5	4	Sailosi Tubuilagi	Fiji (FIJ)	48.98
49	3	5	Narek Ghukasyan	Armenia (ARM)	49.70	SB
	2	8	Nery Brenes	Costa Rica (CRC)	DQ	R 163.3(a)
	4	6	Steven Gayle	Jamaica (JAM)	DQ	R 163.3(a)
	6	2	Emmanuel Dasor	Ghana (GHA)	DNS

Semifinals

The semifinals took place on 6 August in three heats as follows:^[10]

Heat	1	2	3
Start time	19:40	19:45	19:56
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:^[11]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	1	5	Steven Gardiner	Bahamas (BAH)	43.89	Q, NR
2	1	6	Nathon Allen	Jamaica (JAM)	44.19	Q, PB
3	2	6	Wayde van Niekerk	South Africa (RSA)	44.22	Q
4	3	5	Isaac Makwala	Botswana (BOT)	44.30	Q
5	2	5	Baboloki Thebe	Botswana (BOT)	44.33	Q
6	1	7	Fred Kerley	United States (USA)	44.51	q
7	3	6	Demish Gaye	Jamaica (JAM)	44.55	Q, PB
8	2	9	Abdalelah Haroun	Qatar (QAT)	44.64	q, SB
9	2	2	Matthew Hudson-Smith	Great Britain & N.I. (GBR)	44.74	SB
10	3	7	Gil Roberts	United States (USA)	44.84
11	1	9	Kevin Borlée	Belgium (BEL)	45.10
12	1	4	Wilbert London	United States (USA)	45.12
13	3	9	Jamal Walton	Cayman Islands (CAY)	45.16
14	1	3	Óscar Husillos	Spain (ESP)	45.16	PB
15	2	4	Lalonde Gordon	Trinidad and Tobago (TTO)	45.20
16	3	3	Jonathan Borlée	Belgium (BEL)	45.23
17	3	2	Pavel Maslák	Czech Republic (CZE)	45.24
18	1	2	Rafał Omelko	Poland (POL)	45.37
19	2	8	Brian Gregan	Ireland (IRL)	45.42
20	2	7	LaShawn Merritt	United States (USA)	45.52
21	3	8	Machel Cedenio	Trinidad and Tobago (TTO)	45.91
22	2	3	Boniface Ontuga Mweresa	Kenya (KEN)	45.93
23	3	4	Davide Re	Italy (ITA)	45.95
24	1	8	Dwayne Cowan	Great Britain & N.I. (GBR)	45.96

Final

The final took place on 8 August at 21:54. The results were as follows (photo finish):^[12]

Rank	Lane	Name	Nationality	Time	Notes
	6	Wayde van Niekerk	South Africa (RSA)	43.98
	4	Steven Gardiner	Bahamas (BAH)	44.41
	3	Abdalelah Haroun	Qatar (QAT)	44.48	SB
4	9	Baboloki Thebe	Botswana (BOT)	44.66
5	5	Nathon Allen	Jamaica (JAM)	44.88
6	8	Demish Gaye	Jamaica (JAM)	45.04
7	2	Fred Kerley	United States (USA)	45.23
	7	Isaac Makwala	Botswana (BOT)	DNS