2018 IAAF World U20 Championships – Men's 400 metres explained

Event:	Men's 400 metres
Competition:	2018 World U20 Championships
Venue:	Ratina Stadium
Dates:	11, 12 and 13 July
Competitors:	49
Nations:	38
Win Label:	Winning time
Win Value:	45.03
Gold:	Jonathan Sacoor
Goldnoc:	BEL
Silver:	Christopher Taylor
Silvernoc:	JAM
Bronze:	Chantz Sawyers
Bronzenoc:	JAM
Prev:	2016
Next:	2021

The men's 400 metres at the 2018 IAAF World U20 Championships was held at Ratina Stadium on 11, 12 and 13 July.^[1]

Records

Standing records prior to the 2018 IAAF World U20 Championships in Athletics
World Junior Record		43.87	Seoul, South Korea	28 September 1988
Championship Record		44.66	Santiago, Chile	20 October 2000
World Junior Leading		44.88	Kingston, Jamaica	24 June 2018

Results

Heats

Qualification: First 3 of each heat (Q) and the 3 fastest times (q) qualified for the semifinals.^[2]

Rank	Heat	Name	Nationality	Time	Note
1	5		align=left		46.05	Q
2	6		align=left		46.14	Q
3	6		align=left		46.52	Q
4	4		align=left		46.52	Q
5	2		align=left		46.56	Q
6	3		align=left		46.81	Q
7	7		align=left		46.87	Q
8	6		align=left		47.03	Q
9	3		align=left		47.05	Q
10	2		align=left		47.05	Q
11	6		align=left		47.07	q
12	5		align=left		47.08	Q
13	3		align=left		47.09	Q
14	1		align=left		47.10	Q
15	5		align=left		47.11	Q
16	2		align=left		47.12	Q
17	7		align=left		47.16	Q
18	2		align=left		47.23	q
19	7		align=left		47.25	Q
20	4		align=left		47.32	Q
21	4		align=left		47.35	Q
22	4		align=left		47.42	q
23	1		align=left		47.50	Q
24	7		align=left		47.55
25	3		align=left		47.56
26	1		align=left		47.64	Q
27	5		align=left		47.66
28	6		align=left		47.69
29	5		align=left		47.71
30	5		align=left		47.77
31	6		align=left		47.88
32	2		align=left		47.91
33	7		align=left		47.96
34	2		align=left		47.97
35	4		align=left		48.04
36	4		align=left		48.12
37	2		align=left		48.15
38	1		align=left		48.22
39	5		align=left		48.31
40	6		align=left		48.39
41	1		align=left		48.46
42	3		align=left		48.61
43	7		align=left		48.92
44	3		align=left		49.74
	3		align=left
	7		align=left
	4		align=left
	1		align=left
	1		align=left

Semifinals

Qualification: First 2 of each heat (Q) and the 2 fastest times (q) qualified for the final.^[3]

Rank	Heat	Name	Nationality	Time	Note
1	1		align=left		45.72	Q,
2	2		align=left		45.84	Q,
3	3		align=left		46.18	Q
4	1		align=left		46.19	Q
5	2		align=left		46.22	Q
6	3		align=left		46.38	Q
7	3		align=left		46.53	q
8	2		align=left		46.53	q
9	1		align=left		46.59
10	2		align=left		46.72
11	1		align=left		46.74
12	3		align=left		46.74
13	3		align=left		46.75
14	2		align=left		46.93
15	3		align=left		46.94
16	1		align=left		47.10
17	2		align=left		47.35
18	1		align=left		47.39
19	2		align=left		47.63
20	3		align=left		47.70
21	1		align=left		47.86
22	2		align=left		48.15
23	1		align=left		48.23
	3		align=left

Final

^[4]

Rank	Lane	Name	Nationality	Time	Note
	5		align=left		45.03
	6		align=left		45.38
	4		align=left		45.89
4	3		align=left		46.20
5	2		align=left		46.53
6	7		align=left		46.79
7	1		align=left		47.03
8	8		align=left		48.01

Notes and References

1. Web site: 2018 World U20 Championships Tampere Timetable by day. 9 July 2018 . IAAF.org.
2. Web site: 400 Metres Men – Round 1 – Summary . IAAF. 16 July 2018.
3. Web site: 400 Metres Men – Semi-Final – Summary . IAAF. 16 July 2018.
4. Web site: 400 Metres Men – Final – Results . IAAF. 16 July 2018.