the mens 400m hurdles heats

1 983 Mamadou Kasse HANNE SENSEN 49.33 Q 0.190
Details 2 643 Leford GREEN JAMJAM 49.45 Q 0.183
Details 3 1135 Bershawn JACKSON USAUSA 49.76 Q 0.173
Details 4 162 Jeffery GIBSON BAHBAH 50.25 Q 0.163
Details 5 660 Yasuhiro FUEKI JPNJPN 50.66 0.197
Details 6 854 Mowen BOINO PNGPNG 51.49 SB 0.203
Details 7 852 Eric CRAY PHIPHI 52.45 0.147
Details 542 Silvio SCHIRRMEISTER GERGER DNS