Swimming Olympic Games 1948 at London (gbr) Women: 400 m Freestyle August 7: Final: 1. Ann Curtis (usa) 5:17.8 2. Karen Margrete Harup (den) 5:21.2 3. Cathy Gibson (gbr) 5:22.6 4. Fernande Caroen (bel) 5:25.3 5. Brenda Helser (usa) 5:26.0 6. Piedade Silva (bra) 5:29.4 7. Fritze Carstensen (den) 5:29.4 8. Nancy Lees (usa) 5:32.9