By A Mystery Man Writer
Bol, the double world champion outdoors in 400m hurdles, records a time of 49.24sec. Read more at .
Track & Field Nerdz - Femke Bol breaks the world indoor 400m
Femke Bol, Grant Holloway, Letsile Tebogo and Tia Jones Run World
Richardson backs up world 100m gold in Zurich
Lyles, Richardson confirmed for 100m at Diamond League Final
Femke Bol - Wikipedia
Dutch runner Femke Bol breaks own 400m indoor world record
Coleman shocks Lyles in Eugene 100m
🏃🏼♀️DUTCH RUNNER FEMKE BOL BREAKS OWN 400M INDOOR WORLD
NEW WORLD RECORD! Femke Bol Drops Fastest 400 Meters Of All Time