Athletics World Championships 2007 at Osaka (jpn) Men: 400 m Hurdles August 28: Final: 1. Kerron Clement (usa) 47.61 2. Felix Sánchez (dom) 48.01 3. Marek Plawgo (pol) 48.12 4. James Carter (usa) 48.40 5. Danny McFarlane (jam) 48.59 6. Periklís Iakovákis (gre) 49.25 7. Derrick Williams (usa) 52.97 -. Adam Kunkel (can) did not finish