Netherlands runner Femke Bol broke her own 400 meters world record at the world athletics indoor championships, winning in 49.17 seconds

Femke Bol Breaks Own Record, Wins 400m Title at World Athletics Indoors - TheDailyGuardian

DyeStat.com - News - Femke Bol, Grant Holloway Pull Further Away In Gold Medal Performances

Femke Bol Shattered her Own World Record, Women's 400m Final

World Athletics Indoor Championships: Bol shatters her own 400m world record, Sports News

Athletics-Dutch runner Bol smashes her own indoor 400m world record

World indoors: Bol breaks world record, Kerr thrills home crowd, Article

Olympic, Paralympic and Commonwealth Games News

Femke Bol breaks own 400m world record at World Athletics Indoor Championships - Hindustan Times

Dutch runner Bol smashes her own indoor 400m world record

Athletics-Bol crushes world record, Kerr thrills home crowd at world indoors, 102.7 WBOW, The Valley's Greatest Hits

Athletics-Dutch runner Bol smashes her own indoor 400m world record