| 845 | Oleksandra Ryzhkova |  | 51.75 | | 29 may 2004 | Kyiv (UKR) |
| 845 | Sathi Geetha |  | 51.75 | | 3 sept 2005 | Incheon (KOR) |
| 845 | Deonna Lawrence |  | 51.75 | | 27 may 2006 | Knoxville, TN (USA) |
| 845 | Asami Tanno |  | 51.75 | | 3 may 2008 | Shizuoka (JPN) |
| 845 | Zundike Rodriguez |  | 51.75 | | 22 may 2010 | San José del Cabo (MEX) |
| 845 | Eirini Vasileiou |  | 51.75 | | 2 sept 2019 | Pravets (BUL) |
| 857 | Emma Montoya |  | 51.76 | | 12 jul 2024 | Stade Louis II, Monaco (MON) |
| 857 | Tanya Mcintosh | | 51.76 | | 18 jun 1988 | Tampa, FL (USA) |
| 857 | Yelena Novikova |  | 51.76 | | 18 jun 2007 | Tula (RUS) |
| 857 | Hannah Waller | | 51.76 | | 25 may 2018 | Sacramento, CA (USA) |
| 857 | Niddy Mingilishi |  | 51.76 | | 22 may 2022 | National Heroes Stadium, Lusaka (ZAM) |
| 857 | Moriah Oliveira | | 51.76 | | 9 jun 2022 | Hayward Field, Eugene, OR (USA) |
| 857 | Himanshi Malik | | 51.76 | | 16 jun 2023 | Kalinga Stadium, Bhubaneshwar (IND) |
| 864 | Abbey Glynn | | 51.77 | | - | - |
| 864 | Cydney Wright | | 51.77 | | 19 abr 2025 | Percy Beard Track, Gainesville, FL (USA) |
| 864 | Brianne Bethel |  | 51.77 | | 16 may 2021 | University of South Florida Track & Field Stadium, Tampa, FL (USA) |
| 867 | Helen Karagounis |  | 51.78 | | 19 jul 2003 | Zdzisław Krzyszkowiak Stadium, Bydgoszcz (POL) |
| 867 | Svetlana Bodritskaya |  | 51.78 | | 5 jun 2004 | Almaty (KAZ) |
| 867 | Oksana Skorobogatko | | 51.78 | | 17 jul 2008 | Kazan (RUS) |
| 867 | Kenya Woodall | | 51.78 | | 16 may 2015 | Storrs, CT (USA) |
| 867 | Anny Caroline De Bassi |  | 51.78 | | 6 abr 2024 | CNDA, Bragança Paulista (BRA) |
| 867 | Krystyna Kacperczyk |  | 51.78 | | 4 ago 1978 | Brescia (ITA) |
| 873 | Marie-Louise Bévis | | 51.79 | | 26 may 1996 | Dijon (FRA) |
| 873 | Shereen Vallabouy |  | 51.79 | | 1 jun 2024 | Dean A. Hayes Track and Soccer Stadium, Murfreesboro, TN (USA) |
| 873 | Shauna Smith | | 51.79 | | - | - |
| 873 | Nina Arnst | | 51.79 | | 7 jun 1996 | Moskva (RUS) |
| 873 | Evelyn Elien | | 51.79 | | 12 ago 1988 | Tours (FRA) |
| 878 | Mandeep Kaur | | 51.80 | | 6 jun 2008 | Yalta (UKR) |
| 878 | Josephine Ehigie |  | 51.80 | | 22 may 2010 | Makurdi (NGR) |
| 878 | Sounkamba Sylla | | 51.80 | | 26 may 2024 | Stade Omnisports Schlossberg, Forbach (FRA) |
| 878 | Charlee Crawford | | 51.80 | | 31 may 2025 | University of North Florda Jax Track at Hodges Stadium, Jacksonville, FL (USA) |
| 878 | Annabelle Smith |  | 51.80 | | 27 feb 2004 | Sydney (AUS) |
| 883 | Ekundayo Sogbesan | | 51.81 | | 22 jun 2017 | Sacramento, CA (USA) |
| 883 | Rushell Clayton |  | 51.81 | | 13 abr 2024 | Percy Beard Track, Gainesville, FL (USA) |
| 883 | Fabienne Ficher | | 51.81 | | 12 ago 1988 | Tours (FRA) |
| 883 | Lanoline Aoko |  | 51.81 | | 27 jun 2025 | Nyayo National Stadium, Nairobi (KEN) |
| 883 | Nancy Kette |  | 51.81 | | 18 ago 2002 | La Chaux-de-Fonds (SUI) |
| 883 | Karin Rossley | | 51.81 | | 27 ago 1977 | Halle (GER) |
| 883 | Małgorzata Dunecka | | 51.81 | | 25 jul 1980 | Lenin Stadium, Moskva (URS) |
| 883 | Chryssoula Goudenoudi | | 51.81 | | 15 jun 2002 | Trikala (GRE) |
| 891 | Anke Feller | | 51.82 | | 3 jul 1999 | Erfurt (GER) |
| 891 | Totka Petrova |  | 51.82 | | 19 ago 1978 | Sofia (BUL) |
| 891 | Julia Merino |  | 51.82 | | 25 ago 1991 | National Stadium, Tokyo (JPN) |
| 891 | Emerald Egwim | | 51.82 | | 12 may 2018 | Bloomington, IN (USA) |
| 891 | Akua Obeng-Akrofi |  | 51.82 | | 25 may 2018 | Tampa, FL (USA) |
| 891 | Alicia Brown |  | 51.82 | | 29 jun 2021 | Complexe Sportif Claude-Robillard, Montréal (CAN) |
| 891 | Skadi Schier | | 51.82 | | 9 jul 2023 | Auestadion, Kassel (GER) |
| 891 | Je'nyia Burton | | 51.82 | | - | - |
| 891 | Carmen Avilés | | 51.82 | | 19 jul 2025 | Estadio Vallehermoso, Madrid (ESP) |
| 891 | Poppy Malik | | 51.82 | | 3 ago 2025 | Alexander Stadium, Birmingham (GBR) |
