| 793 | Braelyn Baker |  | 51.69 | | May 17, 2025 | Kentner Stadium Wake Forest University, Winston Salem, NC (USA) |
| 802 | Nawal El Moutawakel |  | 51.70 | | Apr 25, 1987 | Des Moines, IA (USA) |
| 802 | Nadezhda Belousova |  | 51.70 | | Jun 19, 2007 | Tula (RUS) |
| 802 | Esther Akinsulie |  | 51.70 | | Jul 9, 2009 | Beograd (SRB) |
| 802 | Daryna Prystupa |  | 51.70 | | Jun 13, 2012 | Yalta (UKR) |
| 802 | Michelle Brown | | 51.70 | | Jun 13, 2014 | Eugene, OR (USA) |
| 802 | Oneika Mcannuff |  | 51.70 | | May 25, 2024 | Un. of Kentucky Outdoor Track Facility, Lexington, KY (USA) |
| 802 | Veronica Kamumbe Mutua |  | 51.70 | | Jun 15, 2024 | Nyayo National Stadium, Nairobi (KEN) |
| 802 | Verone Chambers | | 51.70 | | Apr 8, 2017 | Kingston (JAM) |
| 810 | Györgyi Balogh |  | 51.71 | | Sep 3, 1972 | Olympiastadion, München (GER) |
| 810 | Verna Burnard |  | 51.71 | | Jul 26, 1976 | Olympic Stadium, Montréal (CAN) |
| 810 | Chandra Burns | | 51.71 | | Jun 14, 1997 | Indianapolis, IN (USA) |
| 810 | Shelise Williams | | 51.71 | | May 28, 2010 | Austin, TX (USA) |
| 810 | Shana Grebo |  | 51.71 | | Jun 4, 2022 | Troyes (FRA) |
| 810 | Maya Valmon | | 51.71 | | May 14, 2023 | Hilmer Lodge Stadium, Walnut, CA (USA) |
| 810 | Jania Martin | | 51.71 | | May 25, 2024 | Un. of Kentucky Outdoor Track Facility, Lexington, KY (USA) |
| 810 | Arie Aoki |  | 51.71 | | May 3, 2025 | Prefectural Shizuoka Stadium, Fukuroi (JPN) |
| 818 | Anita WEIß |  | 51.72 | | Aug 25, 1978 | Potsdam (GDR) |
| 818 | Roberta Belle | | 51.72 | | Jun 19, 1983 | Indianapolis, IN (USA) |
| 818 | Denise Mitchell | | 51.72 | | Jun 27, 1987 | San José (USA) |
| 818 | Jessica Fox | | 51.72 | | May 14, 2005 | Fort Collins, CO (USA) |
| 818 | Kanika Beckles |  | 51.72 | | May 12, 2012 | Manhattan, KS (USA) |
| 818 | Briyahna Desrosiers | | 51.72 | | May 24, 2019 | Sacramento, CA (USA) |
| 818 | Lauren Tolbert | | 51.72 | | Apr 19, 2025 | Hilmer Lodge Stadium, Walnut, CA (USA) |
| 825 | Megan Moss |  | 51.73 | | Jun 9, 2022 | Hayward Field, Eugene, OR (USA) |
| 825 | Makenzy Pierre-Webster | | 51.73 | | May 25, 2024 | Un. of Kentucky Outdoor Track Facility, Lexington, KY (USA) |
| 825 | Jana Lakner | | 51.73 | | Jun 21, 2025 | Centre sportif Bout-du-Monde, Genève (SUI) |
| 825 | Aleksandra Formella |  | 51.73 | | Jul 5, 2025 | Golęcin Stadion, Poznan (POL) |
| 825 | Margarita Molchan |  | 51.73 | | May 18, 1996 | Kyiv (UKR) |
| 825 | Melinda Gainsford | | 51.73 | | Jul 22, 2000 | Brisbane (AUS) |
| 825 | Angel Perkins-Mclean | | 51.73 | | Jun 22, 2007 | Indianapolis, IN (USA) |
| 825 | Latosha Wallace | | 51.73 | | May 3, 2008 | Shizuoka (JPN) |
| 825 | Poovamma Raju Machettira |  | 51.73 | | Jun 8, 2014 | Lucknow (IND) |
| 825 | Yasmin Liverpool |  | 51.73 | | May 16, 2021 | Pingles Stadium, Nuneaton (GBR) |
| 825 | Deline Mpiti |  | 51.73 | | Apr 6, 2022 | McArthur Stadium, Potchefstroom (RSA) |
| 825 | Yelena Goncharova | | 51.73 | | Jun 6, 1987 | Moskva (URS) |
| 825 | Dagmar Käsling | | 51.73 | | Sep 4, 1972 | Olympiastadion, München (GER) |
| 825 | Angee Nott | | 51.73 | | Jun 25, 2010 | Drake Stadium, Des Moines, IA (USA) |
| 839 | Aymeé Martínez |  | 51.74 | | Aug 26, 2007 | Yanmar Stadium Nagai, Osaka (JPN) |
| 839 | Anna Jesień | | 51.74 | | May 25, 2007 | Warszawa (POL) |
| 839 | Jiadie Mo |  | 51.74 | | Aug 4, 2025 | Sports Center, Quzhou (CHN) |
| 839 | Patrizia Spuri |  | 51.74 | | Aug 20, 1998 | Népstadion, Budapest (HUN) |
| 839 | Yelena Voynova | | 51.74 | | Jul 8, 2006 | Kazan (RUS) |
| 839 | Janka Molnár | | 51.74 | | Jun 20, 2023 | Stadion Śląski, Chorzów (POL) |
| 845 | Ana Prieto |  | 51.75 | | Jul 19, 2025 | Fana Stadion, Bergen (NOR) |
| 845 | Elsa Devassoigne | | 51.75 | | Aug 2, 1992 | Estadio Olímpico, Barcelona (ESP) |
| 845 | Michelle Taylor | | 51.75 | | Jun 3, 1989 | Provo, UT (USA) |
| 845 | Xifang Lu | | 51.75 | | Aug 12, 1994 | Beijing (CHN) |
| 845 | Leanie Van Der Walt-Hall | | 51.75 | | Mar 19, 1999 | Roodeport (RSA) |
| 845 | Jerrika Chapple | | 51.75 | | May 29, 2004 | College Station, TX (USA) |
