400 Metres Hurdles Summary | IAAF World Championships London 2017

First 2 in each heat (Q) and the next 2 fastest (q)

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS	ms*
1	1	1	1385	Kerron Clement	USA	48.35 Q
2	2	1	1216	Karsten Warholm	NOR	48.43 Q
3	3	1	844	Juander Santos	DOM	48.59 q PB
4	4	1	1092	Kemar Mowatt	JAM	48.66 q
5	1	3	1268	Abderrahman Samba	QAT	48.75 Q
6	2	3	1345	Yasmani Copello	TUR	48.91 Q
7	1	2	1405	TJ Holmes	USA	49.12 Q
8	2	2	1298	Kariem Hussein	SUI	49.13 Q
9	3	3	1394	Eric Futch	USA	49.30
10	5	1	606	Abdelmalik Lahoulou	ALG	49.33
11	6	1	1236	Patryk Dobek	POL	49.40
12	3	2	1087	Jaheel Hyde	JAM	49.75
13	4	2	959	Jack Green	GBR	49.93	.927
14	5	2	1101	Takatoshi Abe	JPN	49.93	.929
15	4	3	942	Ludvy Vaillant	FRA	49.95
16	5	3	1060	José Reynaldo Bencosme De Leon	ITA	50.29
17	6	2	928	Mamadou Kasse Hann	FRA	50.35
18	7	2	1137	Aron Kipchumba Koech	KEN	50.40
19	8	2	882	Jaak-Heinrich Jagor	EST	50.43
20	6	3	1079	Ricardo Cunningham	JAM	50.54
21	7	1	922	Victor Coroller	FRA	55.69
		3	731	Marcio Teles	BRA	DNF
		3	628	Guillermo Ruggeri	ARG	DQ
		1	1053	Thomas Barr	IRL	DNS