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1983 World Championships in Athletics – Men's 400 metres

None

Field	Value
event	Men's 400 metres
competition	1983 World Championships
venue	Helsinki Olympic Stadium
dates	7 August (heats)
8 August (quarter-finals)
9 August (semi-finals)
10 August (final)
competitors	55
win_value	45.05
gold	Bert Cameron
goldNOC	JAM
silver	Michael Franks
silverNOC	USA
bronze	Sunder Nix
bronzeNOC	USA
next	1987

8 August (quarter-finals) 9 August (semi-finals) 10 August (final) These are the official results of the men's 400 metres event at the 1983 IAAF World Championships in Helsinki, Finland. There were a total number of 55 participating athletes, with seven qualifying heats and the final held on 10 August 1983. The winning margin was 0.17 seconds.

Records

Existing records at the start of the event.

Championship Record	New event

Results

Qualifying heats

The qualifying heats took place on 7 August, with the 55 athletes involved being split into 7 heats. The first 3 athletes in each heat ( Q ) and the next 11 fastest ( q ) qualified for the quarter-finals.

;Heat 1

Rank	Name	Nationality	Time	Notes
1	Sunder Nix	USA	46.19	Q,
2	Gerson A. Souza	BRA	46.43	Q
3	Philip Brown	GBR	46.60	Q
4	Isidro del Prado	PHI	46.92	q
5	Aldo Canti	FRA	47.50
6	Gordan Hinds	BAR	47.55
7	Kenrick Camerud	SKN	49.68
	Paiwa Bogela	PNG

;Heat 2

Rank	Name	Nationality	Time	Notes
1	Bert Cameron	JAM	46.11	Q,
2	Ján Tomko	TCH	46.17	Q
3	Thomas Schönlebe	GDR	46.23	Q
4	Sándor Vasvári	HUN	46.69	q
5	Abu Alhassan	GHA	48.14
6	Salem Khalil Ibrahim	UAE	48.16
7	Ali Al Harazi	YEM	59.67
	Ángel Heras	ESP

;Heat 3

Rank	Name	Nationality	Time	Notes
1	Erwin Skamrahl	FRG	46.31	Q
2	Todd Bennett	GBR	46.58	Q
3	Douglas Hinds	CAN	46.64	Q
4	Gary Minihan	AUS	46.90	q
5	James Atuti	KEN	46.95	q
6	Dean Greenaway	IVB	48.26
	Emmanuel Bitanga	CMR

;Heat 4

Rank	Name	Nationality	Time	Notes
1	Michael Paul	TRI	46.33	Q
2	Moses Kyeswa	UGA	46.35	Q
3	Susumu Takano	JPN	46.66	Q
4	Eliot Tabron	USA	46.68	q
5	Marcel Arnold	SUI	47.44	q
6	David Sawyerr	SLE	49.29
7	Lenford O'Garro	VIN	50.25
	Nafi Ahmed Mersal	EGY

;Heat 5

Rank	Name	Nationality	Time	Notes
1	Martin Weppler	FRG	46.32	Q
2	Hassan El Kachief	SUD	46.61	Q
3	Viktor Markin	URS	46.74	Q
4	Gabriel Tiacoh	CIV	47.11	q
5	Hector Daley	PAN	47.19	q
6	Eric Josjö	SWE	47.25	q
7	Jean-Marie Rudasinqwa	RWA	50.52
	Allan Ingraham	BAH

;Heat 6

Rank	Name	Nationality	Time	Notes
1	Michael Franks	USA	46.16	Q
2	Oddur Sigurdsson	ISL	47.09	Q
3	Christopher Madzokere	ZIM	47.17	Q
4	Dušan Malovec	TCH	47.35	q
5	Moussa Fall	SEN	47.72
6	Joseph Ramotshabi	BOT	48.35
7	Agripa Mwausegha	MAW	49.02
	Sunday Uti	NGR

;Heat 7

Rank	Name	Nationality	Time	Notes
1	Hartmut Weber	FRG	45.74	Q,
2	Darren Clark	AUS	46.26	Q
3	Mike Okot	UGA	46.69	Q
4	Matti Rusanen	FIN	47.37	q
5	Adram M'Kumi	TAN	49.22
6	Clive Williams	BIZ	51.82
	Mike Solomon	TRI
	Roberto Ribaud	ITA

Quarterfinals

The qualifying heats took place on 8 August, with the 32 athletes involved being split into 4 heats. The first 4 athletes in each heat ( Q ) qualified for the semifinals.

;Heat 1

Rank	Name	Nationality	Time	Notes
1	Michael Franks	USA	45.57	Q,
2	Philip Brown	GBR	45.80	Q
3	Thomas Schönlebe	GDR	45.86	Q
4	Martin Weppler	FRG	46.12	Q
5	Gary Minihan	AUS	46.32
6	Mike Okot	UGA	46.38
7	Christopher Madzokere	ZIM	46.74
	Dušan Malovec	TCH

;Heat 2

Rank	Name	Nationality	Time	Notes
1	Bert Cameron	JAM	45.76	Q
2	Darren Clark	AUS	45.84	Q
3	Erwin Skamrahl	FRG	45.90	Q
4	Gerson A. Souza	BRA	45.94	Q
5	Gabriel Tiacoh	CIV	46.22
6	Eliot Tabron	USA	46.54
7	Isidro del Prado	PHI	46.71
8	Matti Rusanen	FIN	47.69

;Heat 3

Rank	Name	Nationality	Time	Notes
1	Hartmut Weber	FRG	46.01	Q
2	Moses Kyeswa	UGA	46.31	Q
3	Michael Paul	TRI	46.44	Q
4	Douglas Hinds	CAN	46.62	Q
5	Susumu Takano	JPN	47.06
6	James Atuti	KEN	47.59
7	Oddur Sigurdsson	ISL	48.09
	Marcel Arnold	SUI

;Heat 4

Rank	Name	Nationality	Time	Notes
1	Viktor Markin	URS	46.16	Q
2	Sunder Nix	USA	46.19	Q
3	Ján Tomko	TCH	46.24	Q
4	Todd Bennett	GBR	46.39	Q
5	Hector Daley	PAN	46.42
6	Eric Josjö	SWE	46.97
7	Sándor Vasvári	HUN	47.34
	Hassan El Kachief	SUD

Semifinals

The semifinals took place on 9 August, with the 16 athletes involved being split into 2 heats. The first 4 athletes in each heat ( Q ) qualified for the final.

;Heat 1

Rank	Name	Nationality	Time	Notes
1	Michael Franks	USA	45.44	Q,
2	Hartmut Weber	FRG	45.61	Q
3	Thomas Schönlebe	GDR	45.67	Q
4	Michael Paul	TRI	45.83	Q
5	Ján Tomko	TCH	46.03
6	Todd Bennett	GBR	46.11
7	Darren Clark	AUS	46.36
8	Martin Weppler	FRG	46.55

;Heat 2

Rank	Name	Nationality	Time	Notes
1	Bert Cameron	JAM	45.48	Q
2	Erwin Skamrahl	FRG	45.61	Q
3	Gerson A. Souza	BRA	45.63	Q
4	Sunder Nix	USA	45.73	Q
5	Viktor Markin	URS	45.73
6.	Douglas Hinds	CAN	46.52
7.	Moses Kyeswa	UGA	46.79
8.	Philip Brown	GBR	46.81

Final

The final took place on August 10.

Rank	Lane	Name	Nationality	Time
	4	Bert Cameron	JAM	45.05
	5	Michael Franks	USA	45.22
	1	Sunder Nix	USA	45.24
4	7	Erwin Skamrahl	FRG	45.37
5	3	Hartmut Weber	FRG	45.49
6	6	Thomas Schönlebe	GDR	45.50
7	8	Michael Paul	TRI	45.80
8	2	Gerson A. Souza	BRA	45.91

General references

Results

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