Usain Bolt delivers on his top billing by winning the 200metres at the London Diamond League but he is upstaged for once as American sprint hurdler Kendra Harrison breaks one of the oldest world records in the book.

The Court of Arbitration for Sport says it had rejected Russia's appeal against the exclusion of its track and field athletes from the Rio Games starting on August 5.

"Rio de Janeiro is a city full of curves in the sea and hills, just like the body of the Brazilian woman," says sculptor Nelson Carneiro, 60, who created the 5,130 bronze, silver and gold medals at the national mint, called Casa da Moeda.

Russia's Olympic Committee presses with its preparations for the Rio Olympic Games despite the threat of a ban for state-run doping hanging over the country.

China will send 416 athletes to Rio de Janeiro next month, its largest overseas delegation in Olympic history.

The World Anti-Doping Agency (WADA) called for Russia to be completely banned from the Rio Olympics and other international sport after an investigation found rampant state-run doping at the 2014 Sochi Winter Olympics and other events.

The World Anti-Doping Agency (WADA) calls for Russia to be completely banned from the Rio Olympics and other international sport after an investigation found rampant state-run doping at the 2014 Sochi Winter Olympics and other events

The report to be released Monday into allegations of widespread state-sponsored doping in Russia has already sparked rumblings it could trigger the "nuclear option" of a full ban of Russia from the Rio Olympics.

Rafael Nadal will be fit and ready for Rio, the head of the Spanish Olympic Committee insisted Thursday, even though the 14-time Grand Slam title winner is still sweating on his place in the squad.

Dutch sprint sensation Dafne Schippers predicted that the Rio Olympics would be an altogether different experience from the London edition four years ago.

Athletes from one sport should not be punished for the sins of those from another, the IOC president said on Wednesday,

Brazilian legend Edson Arantes do Nascimento, better known as 'Pele', on Wednesday wrote on his Twitter account that he has composed and recorded a song, titled 'Esperanca' (Hope), for the upcoming Olympics in Rio de Janeiro.

The Court of Arbitration for Sport (CAS) said Monday it has put back its ruling on the two-year doping ban for Maria Sharapova for two months to September, ruling the tennis superstar out of the Rio Olympics.

A Court of Arbitration for Sport decision on the two-year doping ban for Maria Sharapova has been put back two months to September, the court said Monday, ruling the tennis superstar out of the Rio Olympics.

The International Olympic Committee approve 'wild card' entries to the Olympic Games for two Bangladeshi athletes, Mahfuzur Rahman Sagor and Sonia Akhter Tumpa.

Argentina head coach Gerardo Martino resigns, deepening the chaos in the frustrated squad a month before the Olympics after its star striker Lionel Messi also quit.

Australian Olympic officials name their tennis line-up for Rio on Monday with the nation's top male stars Nick Kyrgios and Bernard Tomic notably absent.

Justin Gatlin fully expects ailing world record holder Usain Bolt to be ready for another 100 metres showdown at the Rio Olympics.

Michael Phelps gave the home fans one last thrill when he touched first in the 100 metres butterfly at the U.S. Olympic trials on Saturday in his final race in an American pool.

Sprint king Usain Bolt has praised efforts by athletics chiefs to clamp down on doping in the build-up to August's Olympic Games.