| 548 | Na'Asha Robinson |  | 51.30 | | 18. Juni 2021 | Hayward Field, Eugene, OR (USA) |
| 548 | Megan Mcginnis | | 51.30 | | 8. Juni 2023 | Mike A. Myers Stadium, Austin, TX (USA) |
| 548 | Ellie Beer |  | 51.30 | | 21. Juni 2025 | Centre sportif Bout-du-Monde, Genève (SUI) |
| 548 | Dianna Proctor |  | 51.30 | | 22. Juni 2025 | Alumni Stadium, London (CAN) |
| 548 | Anna Gryc |  | 51.30 | | 5. Juli 2025 | Golęcin Stadion, Poznan (POL) |
| 556 | Kaelyaah Liburd |  | 51.31 | | 31. Mai 2025 | University of North Florda Jax Track at Hodges Stadium, Jacksonville, FL (USA) |
| 556 | Sharon Dabney | | 51.31 | | 10. Juni 1978 | Westwood, CA (USA) |
| 556 | Virna De Angeli |  | 51.31 | | 17. Juni 1997 | Bari (ITA) |
| 556 | Patrycja Wyciszkiewicz | | 51.31 | | 24. Aug. 2015 | National Stadium, Beijing (CHN) |
| 556 | Naledi Lopang |  | 51.31 | | 26. Mai 2023 | National Stadium, Gaborone (BOT) |
| 556 | Aaliyah Pyatt | | 51.31 | | 29. Mai 2025 | Cushing Stadium, College Station, TX (USA) |
| 562 | Meleni Rodney |  | 51.32 | | 16. Mai 2021 | Katherine B. Loker Stadium, Los Angeles, CA (USA) |
| 562 | Kiah Williams | | 51.32 | | 13. Apr. 2024 | Percy Beard Track, Gainesville, FL (USA) |
| 562 | Darya Terekhova |  | 51.32 | | 23. Juli 2009 | Cheboksary (RUS) |
| 562 | Elexis Guster | | 51.32 | | 14. Mai 2017 | Eugene, OR (USA) |
| 562 | Claudine Williams |  | 51.32 | | 5. Aug. 1995 | Ullevi Stadium, Göteborg (SWE) |
| 562 | Anita Protti |  | 51.32 | | 15. Juni 1990 | Genève (SUI) |
| 562 | Pepa Pavlova |  | 51.32 | | 11. Aug. 1986 | Budapest (HUN) |
| 569 | Zaya Akins | | 51.33 | | 25. Mai 2024 | Un. of Kentucky Outdoor Track Facility, Lexington, KY (USA) |
| 569 | Molly Killingbeck | | 51.33 | | 11. Juni 1983 | Calgary (CAN) |
| 571 | Lee Naylor | | 51.35 | | 9. Mai 1998 | Osaka (JPN) |
| 571 | Ester Goossens |  | 51.35 | | 6. Juni 1998 | Malmö (SWE) |
| 571 | Fanfang Bu |  | 51.35 | | 18. Nov. 2001 | Guangzhou (CHN) |
| 571 | Anabel Medina Ventura |  | 51.35 | | 11. Mai 2024 | Pista de Atletismo da Universidade Federal do Mato Grosso, Cuiaba (BRA) |
| 571 | Takyera Roberson | | 51.35 | | 24. Juni 2017 | Sacramento, CA (USA) |
| 571 | Eva Santidrián |  | 51.35 | | 28. Juni 2025 | Pistas Universad de León, León (ESP) |
| 577 | Christine Marquardt |  | 51.36 | | 2. Juli 1978 | Leipzig (GER) |
| 577 | Catherine Murphy |  | 51.36 | | 27. Juli 2002 | Manchester (GBR) |
| 577 | Robin Reynolds | | 51.36 | | 11. Juni 2014 | Eugene, OR (USA) |
| 577 | Margaret Vanessa Barrie |  | 51.36 | | 13. Mai 2018 | Bloomington, IN (USA) |
| 577 | Amy Allcock | | 51.36 | | 22. Juli 2018 | Olympic Stadium, London (GBR) |
| 582 | Mercedes Álvarez |  | 51.37 | | 4. Juni 1983 | Bucureşti (ROU) |
| 582 | Maria de Lurdes Mutola |  | 51.37 | | 2. Aug. 1994 | Stade Louis II, Monaco (MON) |
| 582 | Daye Shon Roberson | | 51.37 | | 29. Mai 2015 | Austin, TX (USA) |
| 582 | June Griffith |  | 51.37 | | 19. Mai 1979 | Durham, NC (USA) |
| 586 | Lyubov Gurina | | 51.38 | | 10. Juni 1983 | Moskva (URS) |
| 586 | Inez Turner-Gray | | 51.38 | | 27. Juni 1996 | Kingston (JAM) |
| 586 | Lilla Mcmillan | | 51.38 | | 15. Mai 2016 | Orlando, FL (USA) |
| 586 | Yelena Vinogradova-Petushinskaya | | 51.38 | | 6. Juli 1990 | Kiev (URS) |
| 590 | Ebony Eutsey | | 51.39 | | 11. Juni 2016 | Kingston (JAM) |
| 590 | Alicja Wrona-Kutrzepa | | 51.39 | | 5. Juli 2025 | Golęcin Stadion, Poznan (POL) |
| 590 | Nancy Mcleon | | 51.39 | | 5. Aug. 1995 | Ullevi Stadium, Göteborg (SWE) |
| 590 | Racheal Nachula |  | 51.39 | | 2. Mai 2008 | Addis Ababa (ETH) |
| 590 | Carol Rodríguez |  | 51.39 | | 3. Mai 2008 | Los Angeles, CA (USA) |
| 590 | Ajoke Odumosu |  | 51.39 | | 15. Aug. 2008 | National Stadium, Beijing (CHN) |
| 590 | Margaret Nyairera Wambui |  | 51.39 | | 28. Mai 2016 | Nairobi (KEN) |
| 590 | Georganne Moline | | 51.39 | | - | - |
| 598 | Titania Markland | | 51.40 | | 13. Mai 2018 | Bloomington, IN (USA) |
| 598 | Maureen Jelagat Maiyo | | 51.40 | | 24. Aug. 2015 | National Stadium, Beijing (CHN) |
| 598 | Verona Elder | | 51.40 | | 22. Mai 1976 | Kiev (URS) |
