400 Metres Summary | 14th IAAF World Junior Championships

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

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS
1	1	1	1759	Erika Rucker	USA	52.05 Q PB
2	1	3	1762	Ashley SPENCER	USA	52.24 Q
3	2	1	1327	Kadecia Baird	GUY	52.40 Q
4	3	1	1563	Justine Palframan	RSA	52.65 q
5	4	1	1379	Chrisann GORDON	JAM	52.70 q
6	2	3	1383	Olivia James	JAM	52.71 Q SB
7	1	2	1057	Shaunae MILLER-UIBO	BAH	52.75 Q
8	2	2	1549	Bianca Razor	ROU	52.87 Q
9	3	3	1050	Rashan Brown	BAH	52.88
10	3	2	1588	Ekaterina Renzhina	RUS	52.97
11	4	3	1515	Patrycja WYCISZKIEWICZ-ZAWADZKA	POL	53.04
12	5	1	1547	Adelina Pastor	ROU	53.28 SB
13	4	2	1014	Morgan MITCHELL	AUS	53.88 PB
14	6	1	1012	Abbey de la Motte	AUS	53.90 PB
15	5	3	1223	Ella Räsänen	FIN	54.40
16	7	1	1531	Grace CLAXTON	PUR	54.42 NJ
17	5	2	1287	Maike Schachtschneider	GER	54.49
18	8	1	1347	Joanna Mills	IRL	54.52
19	6	3	1119	Jie Chen	CHN	54.67
20	6	2	1336	Bianka BARTHA-KÉRI	HUN	54.68
21	7	2	1355	Flavia Battaglia	ITA	54.82
22	7	3	1577	Alina Galitskaya	RUS	54.98
23	8	2	1718	Viktoriya TKACHUK	UKR	55.02
24	8	3	1634	Simone Werner	SUI	55.85

400 Metres women