Bol, the double world champion outdoors in 400m hurdles, records a time of 49.24sec. Read more at .
Femke Bol breaks her own 400m world record at indoor worlds
Dutch runner Bol races to another world indoor 400m record
Femke Bol breaks her own world indoor record in the 400m hurdles
Canada's Mitton wins shot put to open World Athletics Indoor
Richardson clocks world-leading 10.71 at US athletics
Bol sets new indoor 400m world record, Sports
Бол, Фемке — Википедия
Dutch Runner Breaks 41-Year-Old World Women's Indoor 400 Metres Record
Ethiopia's Tsegay runs second-fastest women's indoor mile
Femke Bol breaks her own 400m world record at indoor worlds
Femke Bol shatters her own 400m world record at Dutch Indoor
Femke Bol smashes World Indoor 400m record in Apeldoorn