1986 World Junior Championships in Athletics – Men's 400 metres explained

The men's 400 metres event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16 and 18 July.

Medalists

Gold	Miles Murphy
Silver	Roberto Hernández
Bronze	Edgar Itt

Results

Final

18 July

Rank	Name	Nationality	Time	Notes
	align=left		align=left		45.64
	align=left		align=left		45.64
	align=left		align=left		45.72
4	align=left		align=left		46.52
5	align=left		align=left		46.52
6	align=left		align=left		46.81
7	align=left		align=left		47.26
8	align=left		align=left		47.50

Semifinals

18 July

Semifinal 1

Rank	Name	Nationality	Time	Notes
1	align=left		align=left		45.94	Q
2	align=left		align=left		46.41	Q
3	align=left		align=left		46.82
4	align=left		align=left		46.86
5	align=left		align=left		47.65
6	align=left		align=left		47.92
7	align=left		align=left		47.94
8	align=left		align=left		48.29

Semifinal 2

Rank	Name	Nationality	Time	Notes
1	align=left		align=left		46.34	Q
2	align=left		align=left		46.51	Q
3	align=left		align=left		46.95
4	align=left		align=left		46.96
5	align=left		align=left		47.11
6	align=left		align=left		47.32
7	align=left		align=left		47.44
8	align=left		align=left		48.33

Semifinal 3

Rank	Name	Nationality	Time	Notes
1	align=left		align=left		45.53	Q
2	align=left		align=left		46.02	Q
3	align=left		align=left		46.33	q
4	align=left		align=left		46.78	q
5	align=left		align=left		46.96
6	align=left		align=left		47.44
7	align=left		align=left		48.01
8	align=left		align=left		48.27

Heats

16 July

Heat 1

Rank	Name	Nationality	Time	Notes
1	align=left		align=left		46.63	Q
2	align=left		align=left		46.99	Q
3	align=left		align=left		47.16	Q
4	align=left		align=left		47.17	q
5	align=left		align=left		48.83
6	align=left		align=left		48.96
7	align=left		align=left		49.52
8	align=left		align=left		50.42

Heat 2

Rank	Name	Nationality	Time	Notes
1	align=left		align=left		46.60	Q
2	align=left		align=left		47.33	Q
3	align=left		align=left		47.70	Q
4	align=left		align=left		48.29
5	align=left		align=left		48.66
6	align=left		align=left		48.78
7	align=left		align=left		49.79
8	align=left		align=left		52.12

Heat 3

Rank	Name	Nationality	Time	Notes
1	align=left		align=left		47.02	Q
2	align=left		align=left		47.49	Q
3	align=left		align=left		47.83	Q
4	align=left		align=left		48.28
5	align=left		align=left		48.82
6	align=left		align=left		48.97
7	align=left		align=left		51.14

Heat 4

Rank	Name	Nationality	Time	Notes
1	align=left		align=left		46.83	Q
2	align=left		align=left		47.17	Q
3	align=left		align=left		47.28	Q
4	align=left		align=left		47.91	q
5	align=left		align=left		48.30
6	align=left		align=left		50.39
7	align=left		align=left		50.69

Heat 5

Rank	Name	Nationality	Time	Notes
1	align=left		align=left		47.34	Q
2	align=left		align=left		47.75	Q
3	align=left		align=left		47.80	Q
4	align=left		align=left		48.18	q
5	align=left		align=left		48.93
6	align=left		align=left		49.12
7	align=left		align=left		50.81

Heat 6

Rank	Name	Nationality	Time	Notes
1	align=left		align=left		46.75	Q
2	align=left		align=left		47.58	Q
3	align=left		align=left		48.17	Q
4	align=left		align=left		48.81
5	align=left		align=left		48.99
6	align=left		align=left		49.39
7	align=left		align=left		52.33
8	align=left		align=left		53.23

Heat 7

Rank	Name	Nationality	Time	Notes
1	align=left		align=left		46.91	Q
2	align=left		align=left		47.45	Q
3	align=left		align=left		47.79	Q
4	align=left		align=left		48.46
5	align=left		align=left		48.76
6	align=left		align=left		49.25
7	align=left		align=left		50.56
8	align=left		align=left		53.17

Participation

According to an unofficial count, 53 athletes from 38 countries participated in the event.