Main > Women, 400 m > World Championships Records Progression
All records considered statistically valid, but some of them, were unratified for various reasons.
•   - Record was ratified           *   - Record was repeated
 
• 52.42 Jarmila Kratochvilova TCH Helsinki Aug 07, 1983
• 51.05 Maria Pinigina URS Helsinki Aug 08, 1983
• 50.07 Maria Pinigina URS Helsinki Aug 09, 1983
• 47.99 Jarmila Kratochvilova TCH Helsinki Aug 10, 1983
  47.78 Sydney McLaughlin-Levrone USA Tokyo Sep 18, 2025