Swimming World Championships 1998 at Perth (aus) Women: 100 m Butterfly January 15: Final: 1. Jenny Thompson (usa) 58.46 2. Ayaro Aoyama (jpn) 58.79 3. Petria Thomas (aus) 58.97 4. Misty Hyman (usa) 59.12 5. Susie O'Neill (aus) 59.27 6. Martina Moravcová (svk) 59.47 7. Inge de Bruijn (net) 1:00.09 8. Hitomi Kashima (jpn) 1:00.43