400 Metres Result | 5th IAAF World Youth Championships

First 4 in each heat (Q)

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	525	Alexandra Štuková	SVK	54.26 Q SB	0.158
2	311	Latoya McDermott	JAM	54.35 Q	0.252
3	575	Olha Zemlyak	UKR	54.59 Q	0.157
4	583	Meshawn Graham	USA	54.96 Q	0.177
5	400	Martina Xuereb	MLT	55.24 PB	0.154
6	294	Valentina Zappa	ITA	55.57	0.169
7	348	Bearose Chepkoech	KEN	55.83	0.152
8	41	Sade Sealy	BAR	56.14	0.219

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	559	Yuliya Baraley	UKR	54.96 Q	0.182
2	79	Natalie Geiger	CAN	55.00 Q PB	0.186
3	277	Machettira Poovamma Raju	IND	55.15 Q PB	0.196
4	399	Francesca Xuereb	MLT	55.57 Q	0.170
5	581	Brianna Frazier	USA	55.66	0.175
6	42	Mara Weekes	BAR	56.45	0.155
7	346	Betty Chelangat	KEN	56.71	0.127
8	292	Chiara Natali	ITA	56.71	0.144