| 847 | Elsa Devassoigne |  | 51.75 | | Aug 2, 1992 | Estadio Olímpico, Barcelona (ESP) |
| 847 | Deonna Lawrence |  | 51.75 | | May 27, 2006 | Knoxville, TN (USA) |
| 847 | Asami Tanno |  | 51.75 | | May 3, 2008 | Shizuoka (JPN) |
| 847 | Sathi Geetha |  | 51.75 | | Sep 3, 2005 | Incheon (KOR) |
| 847 | Zundike Rodriguez |  | 51.75 | | May 22, 2010 | San José del Cabo (MEX) |
| 847 | Eirini Vasileiou |  | 51.75 | | Sep 2, 2019 | Pravets (BUL) |
| 847 | Jerrika Chapple | | 51.75 | | May 29, 2004 | College Station, TX (USA) |
| 859 | Emma Montoya | | 51.76 | | Jul 12, 2024 | Stade Louis II, Monaco (MON) |
| 859 | Niddy Mingilishi |  | 51.76 | | May 22, 2022 | National Heroes Stadium, Lusaka (ZAM) |
| 859 | Hannah Waller | | 51.76 | | May 25, 2018 | Sacramento, CA (USA) |
| 859 | Yelena Novikova |  | 51.76 | | Jun 18, 2007 | Tula (RUS) |
| 859 | Tanya Mcintosh | | 51.76 | | Jun 18, 1988 | Tampa, FL (USA) |
| 859 | Himanshi Malik | | 51.76 | | Jun 16, 2023 | Kalinga Stadium, Bhubaneshwar (IND) |
| 859 | Moriah Oliveira | | 51.76 | | Jun 9, 2022 | Hayward Field, Eugene, OR (USA) |
| 866 | Cydney Wright | | 51.77 | | Apr 19, 2025 | Percy Beard Track, Gainesville, FL (USA) |
| 866 | Brianne Bethel |  | 51.77 | | May 16, 2021 | University of South Florida Track & Field Stadium, Tampa, FL (USA) |
| 866 | Abbey Glynn | | 51.77 | | Feb 9, 2024 | Sports Performance Center, Lubbock, TX (USA) (i) |
| 869 | Anny Caroline De Bassi |  | 51.78 | | Apr 6, 2024 | CNDA, Bragança Paulista (BRA) |
| 869 | Helen Karagounis |  | 51.78 | | Jul 19, 2003 | Zdzisław Krzyszkowiak Stadium, Bydgoszcz (POL) |
| 869 | Svetlana Bodritskaya |  | 51.78 | | Jun 5, 2004 | Almaty (KAZ) |
| 869 | Oksana Skorobogatko | | 51.78 | | Jul 17, 2008 | Kazan (RUS) |
| 869 | Krystyna Kacperczyk |  | 51.78 | | Aug 4, 1978 | Brescia (ITA) |
| 869 | Kenya Woodall | | 51.78 | | May 16, 2015 | Storrs, CT (USA) |
| 875 | Nina Arnst | | 51.79 | | Jun 7, 1996 | Moskva (RUS) |
| 875 | Evelyn Elien | | 51.79 | | Aug 12, 1988 | Tours (FRA) |
| 875 | Marie-Louise Bévis | | 51.79 | | May 26, 1996 | Dijon (FRA) |
| 875 | Shauna Smith | | 51.79 | | Mar 13, 2004 | Fayetteville, AR (USA) (i) |
| 875 | Shereen Vallabouy |  | 51.79 | | Jun 1, 2024 | Dean A. Hayes Track and Soccer Stadium, Murfreesboro, TN (USA) |
| 880 | Charlee Crawford | | 51.80 | | May 31, 2025 | University of North Florda Jax Track at Hodges Stadium, Jacksonville, FL (USA) |
| 880 | Mandeep Kaur | | 51.80 | | Jun 6, 2008 | Yalta (UKR) |
| 880 | Josephine Ehigie |  | 51.80 | | May 22, 2010 | Makurdi (NGR) |
| 880 | Annabelle Smith |  | 51.80 | | Feb 27, 2004 | Sydney (AUS) |
| 880 | Sounkamba Sylla | | 51.80 | | May 26, 2024 | Stade Omnisports Schlossberg, Forbach (FRA) |
| 885 | Lanoline Aoko |  | 51.81 | | Jun 27, 2025 | Nyayo National Stadium, Nairobi (KEN) |
| 885 | Nancy Kette |  | 51.81 | | Aug 18, 2002 | La Chaux-de-Fonds (SUI) |
| 885 | Rushell Clayton |  | 51.81 | | Apr 13, 2024 | Percy Beard Track, Gainesville, FL (USA) |
| 885 | Ekundayo Sogbesan | | 51.81 | | Jun 22, 2017 | Sacramento, CA (USA) |
| 885 | Chryssoula Goudenoudi | | 51.81 | | Jun 15, 2002 | Trikala (GRE) |
| 885 | Fabienne Ficher | | 51.81 | | Aug 12, 1988 | Tours (FRA) |
| 885 | Małgorzata Dunecka | | 51.81 | | Jul 25, 1980 | Lenin Stadium, Moskva (URS) |
| 885 | Karin Rossley | | 51.81 | | Aug 27, 1977 | Halle (GER) |
| 893 | Alicia Brown |  | 51.82 | | Jun 29, 2021 | Complexe Sportif Claude-Robillard, Montréal (CAN) |
| 893 | Skadi Schier | | 51.82 | | Jul 9, 2023 | Auestadion, Kassel (GER) |
| 893 | Je'nyia Burton | | 51.82 | | Mar 3, 2025 | Norton Sports Center, Louisville, KY (USA) (i) |
| 893 | Akua Obeng-Akrofi |  | 51.82 | | May 25, 2018 | Tampa, FL (USA) |
| 893 | Emerald Egwim | | 51.82 | | May 12, 2018 | Bloomington, IN (USA) |
| 893 | Anke Feller | | 51.82 | | Jul 3, 1999 | Erfurt (GER) |
| 893 | Julia Merino |  | 51.82 | | Aug 25, 1991 | National Stadium, Tokyo (JPN) |
| 893 | Totka Petrova |  | 51.82 | | Aug 19, 1978 | Sofia (BUL) |
| 893 | Carmen Avilés | | 51.82 | | Jul 19, 2025 | Estadio Vallehermoso, Madrid (ESP) |
