Swimming World Championships 1991 at Perth (aus) Women: 400 m Freestyle January 9: Final: 1. Janet Evans (usa) 4:08.63 2. Hayley Lewis (aus) 4:09.40 3. Suzu Chiba (jpn) 4:11.44 4. Irene Dalby (nor) 4:12.32 5. Manuela Melchiorri (ita) 4:13.27 6. Stephanie Ortwig (ger) 4:15.23 7. Grit Müller (ger) 4:15.25 8. Sandra Cam (bel) 4:16.67