World and Olympic Champion, Caster Semenya has said she is ready to challenge the testosterone rule set after female athlete.
The International Association of Athletics Federations (IAAF) had fixed a new rule to see female athletes with naturally high testosterone compete with the men or change events.
The rule which will commence 1st of November 2018, is fashioned to stop women with high testosterone levels gaining a more competitive advantage.
The two-time Olympic champion and three-time world champion has previously been asked to undertake gender testing by athletics chiefs, but no results have ever officially been made public.
“It is not fair. I just want to run naturally, the way I was born,” said the 27-year-old South African,
“I am Mokgadi Caster Semenya. I am a woman and I am fast, she said.