Sydney McLaughlin celebrates after winning gold in a world record time in the 400m hurdles. Photograph: Doug Mills/NYT

To get from the Tokyo Equestrian Park to the Olympic Stadium there is an underground tunnel which seems to go on forever and about halfway through I t(...)

Anna Cockrell, Dalilah Muhammad, third from left, and Sydney McLaughlin compete in the 400m hurdles at the US track and field Olympic trials in Eugene, Oregon. All three qualified to compete in the Tokyo 2020 Olympics. Photograph: Alexandra Garcia/New York Times

After 10 days in the constantly rising heat of Eugene, Oregon, it’s safe to say that, as final tests runs for Tokyo go, few events can rival the US Ol(...)

The anti-doping and athletics authorities are investigating allegations that members of world 100 metres champion Justin Gatlin’s entourage offered to supply performance-enhancing drugs. Photo: Martin Rickett/PA Wire

The agent at the centre of the Daily Telegraph investigation into Justin Gatlin’s entourage has claimed he made up his comments about obtaining banned(...)

South Africa’s Caster Semenya: After falling just short of winning the 1,500m on Monday night, Semenya duly won her heat  in London  in 2:01.34, extending a now unbeaten 23-month winning streak at that distance. Photograph:  Adam Davy/PA Wire

No athlete deserves to be burdened with the repeatedly sketchy attention that Caster Semenya has been getting over the last eight years – only at this(...)