400 METRES - Men OFFICIAL RESULTS 1 David GILLICK IRL 45.52 0.224 NR 2 Rabah YOUSIF SUD 46.24 0.136 NR 3 Richard BUCK GBR 46.52 0.200 SB 4 Ricardo CHAMBERS JAM 46.68 0.265 SB 5 Nery BRENES CRC 46.91 0.221 SB 6 Jamaal TORRANCE USA 46.91 0.222 SB