South Africa's Semenya takes 800 meters gold

IMAGE: Caster Semenya of South Africa reacts after winning gold in the Women's 800 meter final at the Rio 2016 Olympic Games at the Olympic Stadium on Saturday. Photograph: Cameron Spencer/Getty......

Semenya cruises in 800m heats; Farah survives scare to reach 5,000m final

Mo Farah survived another stumble to get through to the final of the 5,000 metres and remain on course for the prized Olympic distance double-double. IMAGE: Caster Semenya of South Africa, Ajee......

Is IAAF a corrupt institution?

Montano rails against 'corrupt' IAAF after missing Rio spot IMAGE:  Alysia Montano reacts after falling in the women's 800m during the 2016 US Olympic trials. Photograph: Kirby Lee-USA TODAY......

WADA calls for ban on Russia for state-sponsored doping

IMAGE: Participants talk before the start of the World Anti-Doping Agency (WADA) Symposium for Anti-Doping Organizations in Lausanne. Photograph: Denis Balibouse/Reuters Russia could be......