2016 IAAF World U20 Championships – Men's 400 metres hurdles explained

The men's 400 metres hurdles event at the 2016 IAAF World U20 Championships was held at Zdzisław Krzyszkowiak Stadium on 21, 22 and 23 July.

Medalists

Gold	Jaheel Hyde
Silver	Taylor McLaughlin
Bronze	Kyron McMaster

Records

Standing records prior to the 2016 IAAF World U20 Championships in Athletics
World Junior Record		48.02	Los Angeles, United States	17 June 1984
Championship Record		48.51	Grosseto, Italy	16 July 2004
World Junior Leading		48.81	Kingston, Jamaica	1 July 2016

Results

Heats

Qualification: First 3 of each heat (Q) and the 3 fastest times (q) qualified for the semifinals.^[1]

Rank	Heat	Name	Nationality	Time	Note
1	2			50.53	Q
2	4			50.81	Q
3	6			51.10	Q
4	2			51.28	Q
5	4			51.46	Q, PB
6	5			51.49	Q, PB
7	1			51.50	Q
8	5			51.50	Q, NU20R
9	5			51.51	Q
10	1			51.56	Q, PB
11	7			51.62	Q
12	6			51.72	Q
13	3			51.77	Q
14	5			51.83	q
15	2			51.89	Q, PB
16	4			51.91	Q
17	7			52.04	Q
18	7			52.11	Q
19	3			52.16	Q
20	3			52.27	Q
21	4			52.30	q
22	1			52.32	Q
23	5			52.34	q, PB
24	4			52.63
25	1			52.69
26	7			52.79
27	3			53.19
28	7			53.27	PB
29	6			53.34	Q
30	7			53.34
31	7			53.35
32	4			53.48
33	2			53.49
34	2			53.67
35	5			53.71
36	3			53.79
37	3			53.89
38	4			53.90
39	1			54.03
40	3			54.56	PB
41	1			54.68
42	1			55.61
43	5			56.90
	6				q^[2]
	6
	2				R163.3(a)^[3]
	2				R163.3(a)
	6				168.7(a)^[4]
	6				163.2(b)^[5]

Semifinals

Qualification: First 2 of each heat (Q) and the 2 fastest times (q) qualified for the final.^[6]

Rank	Heat	Name	Nationality	Time	Note
1	3			49.77	Q
2	3			50.25	Q
3	2			50.49	Q, SB
4	1			50.82	Q, NU20R
5	3			50.84	q
6	3			50.86	q
7	1			50.95	Q
8	3			51.04	PB
9	2			51.25	Q
10	3			51.35
11	2			51.38	PB
12	1			51.54
13	1			51.64
14	1			51.70
15	1			51.82	PB
16	2			51.89	PB
17	2			52.22
18	1			52.28
19	2			52.57
20	3			52.79
21	1			53.49
22	3			53.49
23	2			53.85
	2
	2				R163.3(a)

Final

^[7]

Rank	Lane	Name	Nationality	Time	Note
	5			49.03
	6			49.45	PB
	7			49.56	NU20R
4	3			50.06
5	2			50.99
6	8			51.03
7	9			51.09
8	4			52.14

Notes and References

1. Web site: Heats results . IAAF. 8 October 2017.
2. Advanced by judge decision
3. Lane infringement
4. Trailing leg error
5. Obstruction
6. Web site: Semifinals results. IAAF. 8 October 2017.
7. Web site: Final results. IAAF. 8 October 2017.