Mutual decision announced following the Serbian’s difficult start to the season
Semenya to challenge IAAF's testosterone rules

CASTER SEMENYA has asked the Court of Arbitration for Sport to rule the International Association of Athletics Federations’ testosterone regulations “unlawful.”
CAS yesterday issued a statement saying it had been asked to rule on the IAAF regulation compelling some female athletes to medically lower naturally occurring testosterone, which comes into effect on November 1.
The South African, a two-time Olympic and three-time world 800 metres champion, has hyperandrogenism, a medical condition characterised by excessive levels of male sex hormones such as testosterone.
More from this author
Similar stories

Supreme Court ruling prompts sporting bodies to redefine eligibility by biological sex

Aim for testing to begin in September to ensure ‘integrity of female sport’

The condemnation of ‘masculine’ female athletes is part of a wider persecution of women who don’t fit the norms of femininity, argues LINDA PENTZ GUNTER