Former world champion Campbell clocked 52.06 seconds, eclipsing German Britta Steffen`s old mark of 52.07, set at the 2009 world titles during the now-banned supersuit era.
Campbell is at her final hit-out at home before the Rio Olympics.
Rio Olympics 2016: Cate Campbell breaks 100m world record
03 July 2016
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Australia`s Cate Campbell has broken the 100m freestyle world record at the Brisbane Grand Prix swimming meet.
