South African Olympic champion Caster Semenya   arrives with her lawyer  for the first day of her hearing at the international Court of Arbitration for Sport  in Switzerland on Monday. Photograph: EPA

Caster Semenya has said the International Association of Athletics Federations (IAAF) breached confidentiality regulations ahead of her appeal hearing(...)

Anisya Kirdyapkina, left, with her silver medal for the Women’s 20 kilometres race walk during the World Athletics Championships in Moscow in 2013. Photograph: Jamie Squire/Getty Images

Russian race walker Anisya Kirdyapkina has been suspended for doping and is set to be stripped of two world championship medals, the Court of Arbitrat(...)

Peru players wear shirts in support of their teammate Paolo Guerrero, before a friendly match against Scotland. Photograph: PA

Peru captain Paolo Guerrero was cleared to play at next month’s World Cup after a Swiss court on Thursday agreed to temporarily lift his doping suspe(...)

Clubs are not permitted to sign players under the age of 18 from other countries unless their parents have emigrated for reasons not connected to football. Above, Stamford Bridge. Photograph: Clive Rose/Getty Images

Chelsea have been accused after an initial Fifa investigation of breaking the rules on the signing of 25 foreign players under the age of 18. The num(...)

An independent report for the   World Anti-Doping Agency revealed widespread doping at the  Sochi 2014 Winter Olympics. Photograph:  Clive Rose/Getty Images

Forty-two Russians have lodged appeals against bans issued by the International Olympic Committee (IOC) following doping violations at the 2014 Sochi (...)

The Players Football Association of Ireland (PFAI) are prepared to defend their members at the Court of Arbitration for Sport (CAS) against charges br(...)

 Slovakia’s Peter Sagan and Mark Cavendish clash near the finish line at the end of the fourth stage of the Tour de France. Photograph: Getty Images

Peter Sagan’s appeal against his disqualification from the Tour de France has been dismissed by the Court of Arbitration for Sport. World champion S(...)

Former Fifa president Sepp Blatter will learn on Monday whether his appeal against a six-year ban from football has been successful. Photograph: Getty Images

Former Fifa president Sepp Blatter will discover on Monday whether he has won his appeal against a six-year ban from football imposed for ethics viola(...)

Ireland’s Ciara Everard during the 800m heats in Rio. Photograph: Dan Sheridan/Inpho

It would be hard to stage a more contrasting image of these Olympics, Ciara Everard tearfully assessing her elimination from the women’s 800m, just mo(...)

Elizabeth Armistead insists that she is a clean athlete. Photograph: Bryn Lennon/Getty Images

Lizzie Armitstead recognises her reputation is tarnished after the missed drugs tests which put her Olympic place in jeopardy. The 27-year-old, who w(...)

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