Switzerland's Audrey Werro edged ever closer to the elusive world record in the women's 800m at the Zurich Diamond League meet on Thursday.

Swiss star Audrey Werro will unashamedly be the star attraction at the Zurich Diamond League meet on Thursday.

Audrey Werro's astronomical rise to the top of the pole of the women's 800m has brought predictable talk of a tilt at a legendary 43-year-old world record.