Swimming Olympic Games 2004 at Athínai (gre) Men: 100 m Butterfly August 20: Final: 1. Michael Phelps (usa) 51.25 2. Ian Crocker (usa) 51.29 3. Andriy Serdinov (ukr) 51.36 4. Thomas Rupprath (ger) 52.27 5. Igor Marchenko (rus) 52.32 6. Gabriel Mangabeira (bra) 52.34 7. Duje Draganja (cro) 52.46 8. Geoffrey Huegill (aus) 52.56