1. 100 MetersMarion Jones, United States, 10.70. August 22, 1999. Before Jones’ problems with performance-enhancing drugs began, she successfully defended her World Championship 100-meter title, running her best-ever time at normal altitude.
2. 200 MetersSilke Gladisch-Moller, East Germany, 21.74. September 3, 1987. Gladisch-Moller turned the 100-200 double at the Rome Championships, edging a young Florence Griffith-Joyner in the 200 final.
3. 400 MetersJarmila Kratochvilova, Czechoslovakia, 47.99. August 10, 1983. Kratochvilova won the rare 400-800 double at the first-ever outdoor World Championship, held in Helsinki, setting world records in both events. Her 400-meter world record was topped by Marita Koch in 1985.
4. 800 MetersJarmila Kratochvilova, Czechoslovakia, 1:54.68. August 9, 1983. Kratochvilova won the first leg of her 400-800 double in the 800, setting a world record that still stands. Kratochvilova owns the only World Championship marks that remain from the initial event in 1983.
5. 1500 MetersTatyana Tomashova, Russia, 3:58.52. August 31, 2003. Tomashova was a surprise 1500-meter winner, tracking down favorite Sureyya Ayhan on the final lap.
6. *3000 MetersQu Yunxia, China, 8:28.71. August 16, 1993. Qu set a Championship mark that will never be broken because 1993 was the final year in which women ran the 3000 meters. The event was replaced by the 5000-meter run in 1995.
* Event no longer contested in the World Championships.