Historic Hayward Field - soon to be ambitiously redeveloped - hosted its last big night of athletics as the International Association of Athletics Federations (IAAF) Diamond League meeting concluded in Eugene, Oregon with a series of sprinting performances that also offered the promise of breath-taking spectacles in the near future.

The South African Sports Confederation and Olympic Committee (SASCOC) has begun its groundwork to challenge the International Association of Athletics Federations' (IAAF) rules on testoterone, in defence of star athlete Caster Semenya.

South Africa’s Caster Semenya, whose National Federation have vowed to fight the impending International Association of Athletics Federations (IAAF) rules on hyperandrogenism that threaten to diminish her effectiveness, did not betray any anxieties on the track tonight.

Athletics South Africa will challenge what it describes as the "skewed" International Association of Athletics Federations (IAAF) ruling on hyperandrogenism that threatens to have a profound effect on the career of its world and Olympic 800 metres champion Caster Semenya.

A total of 17 current world and Olympic champions have gathered in Doha for the opening 2018 International Association of Athletics Federations Diamond League meeting as tremors run through the sport following the reports of a positive doping test by Kenya’s former world and Olympic 1,500m champion Asbel Kiprop, and his own impassioned denial.

South African middle-distance Caster Semenya has hit back at the International Association of Athletics Federations (IAAF) following the introduction of a new ruling that will force certain female athletes to take medication to reduce their testosterone levels, which could end the 27-year-old’s reign at the top.

The South African Government are reportedly planning to lobby other African countries as they prepare to fight against the International Association of Athletics Federations’ (IAAF) ruling regarding testosterone levels in female athletes, which could mean double Olympic 800 metres champion Caster Semenya is barred from competing.

Caster Semenya’s dominance of women’s middle distance running is under threat following new regulations introduced by the International Association of Athletics Federations (IAAF) that will restrict the eligibility of female athletes with high testosterone levels.

Caster Semenya and Joshua Cheptegei each completed track doubles here tonight at the Commonwealth Games with wins in the respective women's 800 and men's 10,000 metres finals.

Olympic double gold medallist Caster Semenya has been named South Africa's flagbearer for next week's Opening Ceremony of the Commonwealth Games here.

Caster Semenya has targetted winning a Commonwealth Games gold medal in the Gold Coast next month to fill the gap in her collection. 

Two-time Olympic gold medallist Caster Semenya is among the leading athletes to have been selected to compete for South Africa at the Gold Coast 2018 Commonwealth Games.

The Court of Arbitration for Sport (CAS) today added another six months to the deadline for the International Association of Athletics Federations (IAAF) to provide scientific evidence for its currently suspended 2011 regulations over testosterone limits for female athletes.

Russia's Mariya Savinova is due to appear at the Court of Arbitration for Sport here today to appeal against the decision to strip her of the Olympic 800 metres gold medal from London 2012 and banned for four years.

Caster Semenya will attempt to win double gold over 800 and 1500 metres at the Gold Coast 2018 Commonwealth Games.