Swimming Olympic Games 1976 at Montréal (can) Women: 400 m Freestyle July 20: Final: 1. Petra Thümer (ege) 4:09.89 (WR) 2. Shirley Babashoff (usa) 4:10.46 3. Shannon Smith (can) 4:14.60 4. Rebecca Perrott (nzl) 4:14.76 5. Kathy Heddy (usa) 4:15.50 6. Brenda Borgh (usa) 4:17.43 7. Annelies Maas (net) 4:17.44 8. Sabine Kahle (ege) 4:20.42