Athletics Olympic Games 1984 at Los Angeles (usa) Women: 400 m August 6: Final: 1. Valerie Brisco-Hooks (usa) 48.83 2. Chandra Cheeseborough (usa) 49.05 3. Kathy Smallwood-Cook (gbr) 49.42 4. Marita Payne (can) 49.91 5. Lillie Leatherwood (usa) 50.25 6. Ute Thimm (wge) 50.37 7. Charmaine Crooks (can) 50.45 8. Ruth Waithera (ken) 51.56