Articles from The Guardian - olympics

What makes London 2012 the 'dirtiest ever' Olympic Games? – video explainer

There have now been 116 failed drug tests from London 2012 – an Olympic record, and with the IOC keeping samples from the Games for another three years that figure could still rise.

Organisers say they want to conduct retests on athletes’ samples and benefit from advances in technology to catch drug cheats. But why is the level of failed tests its highest ever for the 2012 Games?

‘Lives have been transformed’ – the entrepreneur who put £10m into grassroots sport

Sir Keith Mills set up Sported to deliver on London 2012’s legacy promises. He steps down as chairman having seen the charity tackle issues such as homelessness, knife crime and gangs

“There’s a whole chunk of sport which has enormous value to society but isn’t talked about because it’s not sexy enough,” says Sir Keith Mills, the founder of the charity Sported, on a bracing December morning on one of London’s largest housing estates. “But you only have to look around to see what grassroots sports clubs can do for communities, especially in disadvantaged areas.”

The incredible story of Pita Taufatofua, Tonga's shirtless Olympic flag bearer

Years of pain and crushing disappointment have not dissuaded the Instagram sensation from becoming an Olympian in two sports – and he’s about to announce a third

When Pita Taufatofua began the walk towards the stadium at the 2016 Rio Olympics opening ceremony, he was an unknown, unrated athlete from an obscure Pacific island. He would walk back out a global celebrity. Had it not been for a vat of coconut oil and his flair for flag bearing, he could have passed through the Olympic Games unnoticed and unreported.

Boxing at 2020 Olympic Games under threat as the IOC investigates

• Plans for Tokyo tournament frozen pending IOC investigation
• Finances, governance and anti-doping problems all a concern

Olympic boxing hopefuls have been left in limbo less than two years before the Tokyo 2020 Games after planning for the tournament was frozen on Friday.

The International Olympic Committee (IOC) announced that it has put plans on hold for the boxing competition after launching an investigation into the sport’s governing body the International Boxing Association (Aiba).

Tokyo Olympics venues ‘built with wood from threatened rainforests’

Use of tropical plywood from Malaysia and Indonesia risks destruction of orangutan habitat, say NGOs

Wood from threatened south-east Asian rainforests has been used to build venues for the Tokyo 2020 Olympics, according to complaints filed with organisers.

At least 134,000 large sheets of tropical plywood from Malaysia and Indonesia have been used as concrete moulds to build stadiums, causing what campaigners say is irreversible harm to precious biodiversity reserves.