| 99 | Rose-Mary Whyte |  | 49.84 | | Aug 6, 2011 | Crystal Palace, London (GBR) |
| 102 | Natalya Antyukh |  | 49.85 | | Jul 31, 2004 | Tula (RUS) |
| 103 | Amy Mbacké Thiam |  | 49.86 | | Aug 7, 2001 | Commonwealth Stadium, Edmonton (CAN) |
| 104 | Charokee Young | | 49.87 | | Apr 16, 2022 | Percy Beard Track, Gainesville, FL (USA) |
| 104 | LaTasha Colander |  | 49.87 | | Jul 16, 2000 | Sacramento, CA (USA) |
| 104 | Laviai Nielsen |  | 49.87 | | Jul 20, 2024 | Olympic Stadium, London (GBR) |
| 104 | Denean Howard-Hill | | 49.87 | | Sep 25, 1988 | Olympic Stadium, Seoul (KOR) |
| 108 | Ionela Ţirlea-Manolache |  | 49.88 | | Jul 12, 1999 | Palma de Mallorca (ESP) |
| 109 | Irina Privalova | | 49.89 | | Jul 30, 1993 | Moskva (RUS) |
| 110 | Jillian Richardson-Briscoe |  | 49.91 | | Sep 25, 1988 | Olympic Stadium, Seoul (KOR) |
| 110 | Marita Payne | | 49.91 | | Aug 6, 1984 | Memorial Coliseum, Los Angeles, CA (USA) |
| 112 | Kseniya Aksyonova | | 49.92 | | Jul 30, 2010 | Estadio Olímpico, Barcelona (ESP) |
| 113 | Talitha Diggs | | 49.93 | | Jul 8, 2023 | Hayward Field, Eugene, OR (USA) |
| 114 | Monique Henderson | | 49.96 | | Jun 25, 2005 | Carson, CA (USA) |
| 114 | Cynthia Bolingo |  | 49.96 | | Aug 21, 2023 | Nemzeti Atlétikai Központ, Budapest (HUN) |
| 116 | Jodie Williams | | 49.97 | | Aug 4, 2021 | National Stadium, Tokyo (JPN) |
| 117 | Tatyana Alekseyeva | | 49.98 | | Jul 8, 1997 | Tula (RUS) |
| 118 | Pam Marshall | | 49.99 | | May 17, 1986 | Westwood, CA (USA) |
| 118 | Tatyana Veshkurova | | 49.99 | | Jul 16, 2006 | Tula (RUS) |
| 120 | Yuliya Gushchina | | 50.01 | | Aug 19, 2008 | National Stadium, Beijing (CHN) |
| 120 | Li Jing |  | 50.01 | | Oct 18, 1997 | Shanghai (CHN) |
| 122 | Anastasiya Kapachinskaya | | 50.02 | | Jul 10, 2008 | Moskva (RUS) |
| 122 | Roneisha Mcgregor | | 50.02 | | Jun 27, 2021 | National Stadium, Kingston (JAM) |
| 124 | Gesine Walther |  | 50.03 | | May 13, 1984 | Jena (GDR) |
| 125 | Olesya Krasnomovets-Forsheva | | 50.04 | | Feb 18, 2006 | Moskva (RUS) (i) |
| 126 | Maicel Malone-Wallace | | 50.05 | | Jul 6, 1994 | Stade Olympique de la Pontaise, Lausanne (SUI) |
| 126 | Heide Seyerling-Quinn |  | 50.05 | | Sep 25, 2000 | Olympic Stadium, Sydney (AUS) |
| 128 | Rochelle Stevens | | 50.06 | | Jun 22, 1992 | New Orleans, LA (USA) |
| 129 | Kirsten Siemon | | 50.07 | | Aug 23, 1985 | Olympiastadion, Berlin (GER) |
| 129 | Irina Nazarova | | 50.07 | | Jul 28, 1980 | Lenin Stadium, Moskva (URS) |
| 131 | Jessica Beard | | 50.08 | | Jun 23, 2018 | Drake Stadium, Des Moines, IA (USA) |
| 131 | Tatyana Firova | | 50.08 | | Jul 16, 2006 | Tula (RUS) |
| 133 | Christine Amertil |  | 50.09 | | Sep 19, 2005 | Yokohama (JPN) |
| 134 | Michelle Collins | | 50.11 | | May 13, 2000 | Osaka (JPN) |
| 134 | Juliet Campbell | | 50.11 | | Jul 3, 1993 | Kingston (JAM) |
| 136 | Myrtle Bothma | | 50.12 | | Apr 11, 1986 | Germiston (RSA) |
| 137 | Chrisann Gordon-Powell | | 50.13 | | Jun 25, 2017 | Kingston (JAM) |
| 138 | Polina Tkalich | | 50.14 | | Aug 17, 2024 | Kalininets Stadium, Yekaterinburg (RUS) |
| 138 | Christine Day | | 50.14 | | Aug 27, 2015 | National Stadium, Beijing (CHN) |
| 138 | Riitta Salin |  | 50.14 | | Sep 4, 1974 | Stadio Olimpico, Roma (ITA) |
| 138 | Mercy Adongo Oketch |  | 50.14 | | May 31, 2025 | Ulinzi Sports Complex, Langata, Nairobi (KEN) |
| 142 | Ellen Streidt | | 50.15 | | Jul 10, 1976 | Berlin (GER) |
| 142 | Olesya Zykina | | 50.15 | | Jul 13, 2001 | Tula (RUS) |
| 144 | Natasha Kaiser-Brown | | 50.17 | | Aug 17, 1993 | Gottlieb-Daimler Stadion, Stuttgart (GER) |
| 144 | Nina Zyuskova | | 50.17 | | Jul 28, 1980 | Lenin Stadium, Moskva (URS) |
| 146 | Irina Baskakova | | 50.19 | | Jun 21, 1983 | Moskva (URS) |
| 146 | Kaliese Spencer | | 50.19 | | Sep 8, 2013 | Stadio Guidobaldi, Rieti (ITA) |
| 146 | Renee Poetschka |  | 50.19 | | Mar 12, 1994 | SIAC Homebush, Sydney (AUS) |
| 149 | Aliyah Abrams |  | 50.20 | | May 13, 2023 | Grand Bahama Sports Complex, Freeport (BAH) |
| 150 | Helena Fuchsová |  | 50.21 | | Aug 21, 1998 | Népstadion, Budapest (HUN) |
