<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<?xml-stylesheet type="text/xsl" href="https://iaaf.gekko.de/iaaf_html.xsl"?><iaaf xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://iaaf.gekko.de/iaaf.xsd" generator="https://iaaf.gekko.de/women/indoor/sprints/400-metres" date="2026-05-25T11:14:17.460300+02:00"><records art="sprints" discipline="400-metres" place="indoor" gender="women"><record type="World Records" mark="49.17" competitor="Femke BOL" dob="2000-02-23" country="NED" venue="Glasgow Arena, Glasgow (GBR) (i)" date="2024-03-02"/><record type="World Indoor Championships Records" mark="49.17" competitor="Femke BOL" dob="2000-02-23" country="NED" venue="Glasgow Arena, Glasgow (GBR) (i)" date="2024-03-02"/><record type="World Leading 2026" mark="50.28" competitor="Ella ONOJUVWEVWO" dob="2005-03-25" country="NGR" venue="Randal Tyson Indoor Center, Fayetteville, AR (USA) (i)" date="2026-03-13"/><record type="Area Records - Africa" mark="50.28" competitor="Ella ONOJUVWEVWO" dob="2005-03-25" country="NGR" venue="Randal Tyson Indoor Center, Fayetteville, AR (USA) (i)" date="2026-03-13"/><record type="Area Records - Asia" mark="51.45" competitor="Kemi ADEKOYA" dob="1993-01-16" country="BRN" venue="Oregon Convention Center, Portland, OR (USA) (i)" date="2016-03-19"/><record type="Area Records - Europe" mark="49.17" competitor="Femke BOL" dob="2000-02-23" country="NED" venue="Glasgow Arena, Glasgow (GBR) (i)" date="2024-03-02"/><record type="Area Records - NACAC" mark="49.24" competitor="Isabella WHITTAKER" dob="2002-02-15" country="USA" venue="Virginia Beach Sports Center, Virginia Beach, VA (USA) (i)" date="2025-03-15"/><record type="Area Records - Oceania" mark="51.81" competitor="Annalies KALMA" dob="2003-12-06" country="NZL" venue="Sparks Convention Center Halls, Reno, NV (USA) (i)" date="2026-02-14"/><record type="Area Records - South America" mark="51.57" competitor="Aliyah ABRAMS" dob="1997-04-03" country="GUY" venue="Štark Arena, Beograd (SRB) (i)" date="2022-03-18"/><record type="World U20 Records" mark="50.82" competitor="Sanya RICHARDS-ROSS" dob="1985-02-26" country="USA" venue="Fayetteville, AR (USA) (i)" date="2004-03-13"/><record type="World U20 Leading 2026" mark="51.67" competitor="Chioma NWACHUKWU" dob="2008-06-26" country="NGR" venue="Fall Creek Pavilion, Indianapolis, IN (USA) (i)" date="2026-02-28"/></records></iaaf>
