Men 400 Meter Semifinal
HEAT 1
POS BIB ATHLETE COUNTRY MARK REACTION TIME
1 2539 Kirani JAMES GRN GRN 44.02 Q SB 0.144
2 3090 LaShawn MERRITT USA USA 44.21 Q 0.271
3 2125 Karabo SIBANDA BOT BOT 44.47 q PB 0.174
4 2327 Luguelín SANTOS DOM DOM 44.71 SB 0.155
5 2620 Javon FRANCIS JAM JAM 44.96 0.170
6 2262 Nery BRENES CRC CRC 45.02 0.181
7 2780 Liemarvin BONEVACIA NED NED 45.03 SB 0.166
8 2980 Lalonde GORDON TTO TTO 45.13 0.157
HEAT 2
POS BIB ATHLETE COUNTRY MARK REACTION TIME
1 2977 Machel CEDENIO TTO TTO 44.39 Q 0.243
2 2910 Wayde VAN NIEKERK RSA RSA 44.45 Q 0.156
3 2304 Pavel MASLÁK CZE CZE 45.06 SB 0.185
4 2929 Luka JANEŽIC SLO SLO 45.07 NR 0.154
5 3102 David VERBURG USA USA 45.61 0.159
6 2623 Rusheen MCDONALD JAM JAM 46.12 0.182
7 2880 Abdalelah HAROUN QAT QAT 46.66 0.173
2126 Baboloki THEBE BOT BOT DNS
HEAT 3
POS BIB ATHLETE COUNTRY MARK REACTION TIME
1 2540 Bralon TAPLIN GRN GRN 44.44 Q 0.171
2 2461 Matthew HUDSON-SMITH GBR GBR 44.48 Q PB 0.143
3 2171 Ali Khamis KHAMIS BRN BRN 44.49 q NR 0.145
4 3093 Gil ROBERTS USA USA 44.65 SB 0.151
5 2065 Steven GARDINER BAH BAH 44.72 0.156
6 2275 Yoandys LESCAY CUB CUB 45.00 PB 0.216
7 2849 Rafal OMELKO POL POL 45.28 0.164
8 2121 Isaac MAKWALA BOT BOT 46.60 0.173
