Athletics Olympic Games 1968 at Mexico City (mex) Women: 400 m October 16: Final: 1. Colette Besson (fra) 52.03 2. Lillian Board (gbr) 52.12 3. Natalya Pechenkina (sov) 52.25 4. Janet Simpson (gbr) 52.57 5. Aurelia Pentón (cub) 52.75 6. Jarvis Scott (usa) 52.79 7. Helga Henning (wge) 52.89 8. Hermina van der Hoeven (net) 53.02