Femke Bol breaks her own 400m world record at indoor worlds - The San Diego Union-Tribune

Netherlands runner Femke Bol has broken her own 400 meters world record at the world athletics indoor championships in Glasgow

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Femke Bol Breaks 400m World Record In 49.17 to Win World Indoor Championships Gold Medal

Femke Bol breaks her own 400m world record at indoor worlds

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Femke Bol breaks oldest world record in track - NBC Sports

Femke Bol Breaks 400m World Record In 49.17 to Win World Indoor Championships Gold Medal

Femke Bol Breaks 400m World Record In 49.17 to Win World Indoor Championships Gold Medal

Femke Bol BREAKS 400m WORLD RECORD indoors

Femke Bol breaks 41-year-old world women's indoor 400m record at Dutch Indoor Athletics C'ships - Sportstar

Bol breaks world indoor 400m record with 49.24 in Apeldoorn, REPORT