Caster Semenya won the 800m at the first Diamond League meet of the season in Doha, in what could be her final race over the distance.
It comes just two days after the South African, 28, lost a landmark case against athletics’ governing body.
Semenya challenged new IAAF rules that attempt to restrict testosterone levels in female runners but the Court of Arbitration for Sport (Cas) rejected her appeal.
Victory was her 30th in a row at 800m.
More to follow.