400 Metres Hurdles Summary | IAAF World Athletics Championships, DOHA 2019

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

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS	ms*
1	1	2	1491	Karsten Warholm	NOR	48.28 Q
2	1	1	328	Alison dos Santos	BRA	48.35 Q PB
3	2	1	1772	Yasmani Copello	TUR	48.39 Q SB	.386
4	2	2	105	Abdelmalik Lahoulou	ALG	48.39 Q NR	.388
5	3	1	1149	Kyron McMaster	IVB	48.40 q
6	1	3	1867	Rai Benjamin	USA	48.52 Q
7	3	2	1895	TJ Holmes	USA	48.67 q
8	2	3	1603	Abderrahman Samba	QAT	48.72 Q
9	4	1	691	Rasmus Mägi	EST	48.93 SB
10	3	3	1208	Takatoshi Abe	JPN	48.97
11	4	3	1066	Thomas Barr	IRL	49.02 SB
12	4	2	770	Ludvy Vaillant	FRA	49.10
13	5	1	1767	Mohamed Touati	TUN	49.14 PB
14	5	2	846	Chris McAlister	GBR	49.18 PB
15	6	1	1910	Amere Lattin	USA	49.20
16	7	1	1170	Kemar Mowatt	JAM	49.32
17	5	3	1045	Jabir Madari Pillyalil	IND	49.71
18	6	3	1400	Fernando Vega	MEX	49.96
19	7	3	585	Vít Müller	CZE	49.97
20	8	1	1744	Chieh Chen	TPE	50.00	.991
21	6	2	904	Luke Campbell	GER	50.00	.995
22	7	2	1527	Patryk Dobek	POL	50.18
23	8	2	1240	Masaki Toyoda	JPN	50.30
24	8	3	1452	Rilwan Alowonle	NGR	52.01